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From voze...@apache.org
Subject [13/25] ignite git commit: IGNITE-1845: Adopted new binary API in .Net.
Date Wed, 11 Nov 2015 09:14:55 GMT
http://git-wip-us.apache.org/repos/asf/ignite/blob/894057e5/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Io/BinaryStreamBase.cs
----------------------------------------------------------------------
diff --git a/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Io/BinaryStreamBase.cs b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Io/BinaryStreamBase.cs
new file mode 100644
index 0000000..91b8717
--- /dev/null
+++ b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Io/BinaryStreamBase.cs
@@ -0,0 +1,1253 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Apache.Ignite.Core.Impl.Binary.IO
+{
+    using System;
+    using System.IO;
+    using System.Text;
+    using Apache.Ignite.Core.Impl.Memory;
+
+    /// <summary>
+    /// Base class for managed and unmanaged data streams.
+    /// </summary>
+    internal unsafe abstract class BinaryStreamBase : IBinaryStream
+    {
+        /** Byte: zero. */
+        private const byte ByteZero = 0;
+
+        /** Byte: one. */
+        private const byte ByteOne = 1;
+
+        /** LITTLE_ENDIAN flag. */
+        private static readonly bool LittleEndian = BitConverter.IsLittleEndian;
+
+        /** Position. */
+        protected int Pos;
+
+        /** Disposed flag. */
+        private bool _disposed;
+
+        /// <summary>
+        /// Write byte.
+        /// </summary>
+        /// <param name="val">Byte value.</param>
+        public abstract void WriteByte(byte val);
+
+        /// <summary>
+        /// Read byte.
+        /// </summary>
+        /// <returns>
+        /// Byte value.
+        /// </returns>
+        public abstract byte ReadByte();
+
+        /// <summary>
+        /// Write byte array.
+        /// </summary>
+        /// <param name="val">Byte array.</param>
+        public abstract void WriteByteArray(byte[] val);
+
+        /// <summary>
+        /// Internal routine to write byte array.
+        /// </summary>
+        /// <param name="val">Byte array.</param>
+        /// <param name="data">Data pointer.</param>
+        protected static void WriteByteArray0(byte[] val, byte* data)
+        {
+            fixed (byte* val0 = val)
+            {
+                CopyMemory(val0, data, val.Length);
+            }
+        }
+
+        /// <summary>
+        /// Read byte array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>
+        /// Byte array.
+        /// </returns>
+        public abstract byte[] ReadByteArray(int cnt);
+
+        /// <summary>
+        /// Internal routine to read byte array.
+        /// </summary>
+        /// <param name="len">Array length.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <returns>Byte array</returns>
+        protected static byte[] ReadByteArray0(int len, byte* data)
+        {
+            byte[] res = new byte[len];
+
+            fixed (byte* res0 = res)
+            {
+                CopyMemory(data, res0, len);
+            }
+
+            return res;
+        }
+
+        /// <summary>
+        /// Write bool.
+        /// </summary>
+        /// <param name="val">Bool value.</param>
+        public void WriteBool(bool val)
+        {
+            WriteByte(val ? ByteOne : ByteZero);
+        }
+
+        /// <summary>
+        /// Read bool.
+        /// </summary>
+        /// <returns>
+        /// Bool value.
+        /// </returns>
+        public bool ReadBool()
+        {
+            return ReadByte() == ByteOne;
+        }
+
+        /// <summary>
+        /// Write bool array.
+        /// </summary>
+        /// <param name="val">Bool array.</param>
+        public abstract void WriteBoolArray(bool[] val);
+
+        /// <summary>
+        /// Internal routine to write bool array.
+        /// </summary>
+        /// <param name="val">Bool array.</param>
+        /// <param name="data">Data pointer.</param>
+        protected static void WriteBoolArray0(bool[] val, byte* data)
+        {
+            fixed (bool* val0 = val)
+            {
+                CopyMemory((byte*)val0, data, val.Length);
+            }
+        }
+
+        /// <summary>
+        /// Read bool array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>
+        /// Bool array.
+        /// </returns>
+        public abstract bool[] ReadBoolArray(int cnt);
+
+        /// <summary>
+        /// Internal routine to read bool array.
+        /// </summary>
+        /// <param name="len">Array length.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <returns>Bool array</returns>
+        protected static bool[] ReadBoolArray0(int len, byte* data)
+        {
+            bool[] res = new bool[len];
+
+            fixed (bool* res0 = res)
+            {
+                CopyMemory(data, (byte*)res0, len);
+            }
+
+            return res;
+        }
+
+        /// <summary>
+        /// Write short.
+        /// </summary>
+        /// <param name="val">Short value.</param>
+        public abstract void WriteShort(short val);
+
+        /// <summary>
+        /// Internal routine to write short value.
+        /// </summary>
+        /// <param name="val">Short value.</param>
+        /// <param name="data">Data pointer.</param>
+        protected static void WriteShort0(short val, byte* data)
+        {
+            if (LittleEndian)
+                *((short*)data) = val;
+            else
+            {
+                byte* valPtr = (byte*)&val;
+
+                data[0] = valPtr[1];
+                data[1] = valPtr[0];
+            }
+        }
+
+        /// <summary>
+        /// Read short.
+        /// </summary>
+        /// <returns>
+        /// Short value.
+        /// </returns>
+        public abstract short ReadShort();
+
+        /// <summary>
+        /// Internal routine to read short value.
+        /// </summary>
+        /// <param name="data">Data pointer.</param>
+        /// <returns>Short value</returns>
+        protected static short ReadShort0(byte* data)
+        {
+            short val;
+
+            if (LittleEndian)
+                val = *((short*)data);
+            else
+            {
+                byte* valPtr = (byte*)&val;
+
+                valPtr[0] = data[1];
+                valPtr[1] = data[0];
+            }
+
+            return val;
+        }
+
+        /// <summary>
+        /// Write short array.
+        /// </summary>
+        /// <param name="val">Short array.</param>
+        public abstract void WriteShortArray(short[] val);
+
+        /// <summary>
+        /// Internal routine to write short array.
+        /// </summary>
+        /// <param name="val">Short array.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        protected static void WriteShortArray0(short[] val, byte* data, int cnt)
+        {
+            if (LittleEndian)
+            {
+                fixed (short* val0 = val)
+                {
+                    CopyMemory((byte*)val0, data, cnt);
+                }
+            }
+            else
+            {
+                byte* curPos = data;
+
+                for (int i = 0; i < val.Length; i++)
+                {
+                    short val0 = val[i];
+
+                    byte* valPtr = (byte*)&(val0);
+                    
+                    *curPos++ = valPtr[1];
+                    *curPos++ = valPtr[0];
+                }
+            }
+        }
+
+        /// <summary>
+        /// Read short array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>
+        /// Short array.
+        /// </returns>
+        public abstract short[] ReadShortArray(int cnt);
+
+        /// <summary>
+        /// Internal routine to read short array.
+        /// </summary>
+        /// <param name="len">Array length.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        /// <returns>Short array</returns>
+        protected static short[] ReadShortArray0(int len, byte* data, int cnt)
+        {
+            short[] res = new short[len];
+
+            if (LittleEndian)
+            {
+                fixed (short* res0 = res)
+                {
+                    CopyMemory(data, (byte*)res0, cnt);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < len; i++)
+                {
+                    short val;
+
+                    byte* valPtr = (byte*)&val;
+
+                    valPtr[1] = *data++;
+                    valPtr[0] = *data++;
+
+                    res[i] = val;
+                }
+            }
+
+            return res;
+        }
+
+        /// <summary>
+        /// Write char.
+        /// </summary>
+        /// <param name="val">Char value.</param>
+        public void WriteChar(char val)
+        {
+            WriteShort(*(short*)(&val));
+        }
+
+        /// <summary>
+        /// Read char.
+        /// </summary>
+        /// <returns>
+        /// Char value.
+        /// </returns>
+        public char ReadChar()
+        {
+            short val = ReadShort();
+
+            return *(char*)(&val);
+        }
+
+        /// <summary>
+        /// Write char array.
+        /// </summary>
+        /// <param name="val">Char array.</param>
+        public abstract void WriteCharArray(char[] val);
+
+        /// <summary>
+        /// Internal routine to write char array.
+        /// </summary>
+        /// <param name="val">Char array.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        protected static void WriteCharArray0(char[] val, byte* data, int cnt)
+        {
+            if (LittleEndian)
+            {
+                fixed (char* val0 = val)
+                {
+                    CopyMemory((byte*)val0, data, cnt);
+                }
+            }
+            else
+            {
+                byte* curPos = data;
+
+                for (int i = 0; i < val.Length; i++)
+                {
+                    char val0 = val[i];
+
+                    byte* valPtr = (byte*)&(val0);
+
+                    *curPos++ = valPtr[1];
+                    *curPos++ = valPtr[0];
+                }
+            }
+        }
+
+        /// <summary>
+        /// Read char array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>
+        /// Char array.
+        /// </returns>
+        public abstract char[] ReadCharArray(int cnt);
+
+        /// <summary>
+        /// Internal routine to read char array.
+        /// </summary>
+        /// <param name="len">Count.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        /// <returns>Char array</returns>
+        protected static char[] ReadCharArray0(int len, byte* data, int cnt)
+        {
+            char[] res = new char[len];
+
+            if (LittleEndian)
+            {
+                fixed (char* res0 = res)
+                {
+                    CopyMemory(data, (byte*)res0, cnt);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < len; i++)
+                {
+                    char val;
+
+                    byte* valPtr = (byte*)&val;
+
+                    valPtr[1] = *data++;
+                    valPtr[0] = *data++;
+
+                    res[i] = val;
+                }
+            }
+
+            return res;
+        }
+
+        /// <summary>
+        /// Write int.
+        /// </summary>
+        /// <param name="val">Int value.</param>
+        public abstract void WriteInt(int val);
+
+        /// <summary>
+        /// Write int to specific position.
+        /// </summary>
+        /// <param name="writePos">Position.</param>
+        /// <param name="val">Value.</param>
+        public abstract void WriteInt(int writePos, int val);
+
+        /// <summary>
+        /// Internal routine to write int value.
+        /// </summary>
+        /// <param name="val">Int value.</param>
+        /// <param name="data">Data pointer.</param>
+        protected static void WriteInt0(int val, byte* data)
+        {
+            if (LittleEndian)
+                *((int*)data) = val;
+            else
+            {
+                byte* valPtr = (byte*)&val;
+
+                data[0] = valPtr[3];
+                data[1] = valPtr[2];
+                data[2] = valPtr[1];
+                data[3] = valPtr[0];
+            }
+        }
+
+        /// <summary>
+        /// Read int.
+        /// </summary>
+        /// <returns>
+        /// Int value.
+        /// </returns>
+        public abstract int ReadInt();
+
+        /// <summary>
+        /// Internal routine to read int value.
+        /// </summary>
+        /// <param name="data">Data pointer.</param>
+        /// <returns>Int value</returns>
+        protected static int ReadInt0(byte* data) {
+            int val;
+
+            if (LittleEndian)
+                val = *((int*)data);
+            else
+            {
+                byte* valPtr = (byte*)&val;
+
+                valPtr[0] = data[3];
+                valPtr[1] = data[2];
+                valPtr[2] = data[1];
+                valPtr[3] = data[0];
+            }
+            
+            return val;
+        }
+
+        /// <summary>
+        /// Write int array.
+        /// </summary>
+        /// <param name="val">Int array.</param>
+        public abstract void WriteIntArray(int[] val);
+
+        /// <summary>
+        /// Internal routine to write int array.
+        /// </summary>
+        /// <param name="val">Int array.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        protected static void WriteIntArray0(int[] val, byte* data, int cnt)
+        {
+            if (LittleEndian)
+            {
+                fixed (int* val0 = val)
+                {
+                    CopyMemory((byte*)val0, data, cnt);
+                }
+            }
+            else
+            {
+                byte* curPos = data;
+
+                for (int i = 0; i < val.Length; i++)
+                {
+                    int val0 = val[i];
+
+                    byte* valPtr = (byte*)&(val0);
+
+                    *curPos++ = valPtr[3];
+                    *curPos++ = valPtr[2];
+                    *curPos++ = valPtr[1];
+                    *curPos++ = valPtr[0];
+                }
+            }
+        }
+
+        /// <summary>
+        /// Read int array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>
+        /// Int array.
+        /// </returns>
+        public abstract int[] ReadIntArray(int cnt);
+
+        /// <summary>
+        /// Internal routine to read int array.
+        /// </summary>
+        /// <param name="len">Count.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        /// <returns>Int array</returns>
+        protected static int[] ReadIntArray0(int len, byte* data, int cnt)
+        {
+            int[] res = new int[len];
+
+            if (LittleEndian)
+            {
+                fixed (int* res0 = res)
+                {
+                    CopyMemory(data, (byte*)res0, cnt);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < len; i++)
+                {
+                    int val;
+
+                    byte* valPtr = (byte*)&val;
+
+                    valPtr[3] = *data++;
+                    valPtr[2] = *data++;
+                    valPtr[1] = *data++;
+                    valPtr[0] = *data++;
+
+                    res[i] = val;
+                }
+            }
+
+            return res;
+        }
+
+        /// <summary>
+        /// Write float.
+        /// </summary>
+        /// <param name="val">Float value.</param>
+        public void WriteFloat(float val)
+        {
+            int val0 = *(int*)(&val);
+
+            WriteInt(val0);
+        }
+
+        /// <summary>
+        /// Read float.
+        /// </summary>
+        /// <returns>
+        /// Float value.
+        /// </returns>
+        public float ReadFloat()
+        {
+            int val = ReadInt();
+
+            return *(float*)(&val);
+        }
+
+        /// <summary>
+        /// Write float array.
+        /// </summary>
+        /// <param name="val">Float array.</param>
+        public abstract void WriteFloatArray(float[] val);
+
+        /// <summary>
+        /// Internal routine to write float array.
+        /// </summary>
+        /// <param name="val">Int array.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        protected static void WriteFloatArray0(float[] val, byte* data, int cnt)
+        {
+            if (LittleEndian)
+            {
+                fixed (float* val0 = val)
+                {
+                    CopyMemory((byte*)val0, data, cnt);
+                }
+            }
+            else
+            {
+                byte* curPos = data;
+
+                for (int i = 0; i < val.Length; i++)
+                {
+                    float val0 = val[i];
+
+                    byte* valPtr = (byte*)&(val0);
+
+                    *curPos++ = valPtr[3];
+                    *curPos++ = valPtr[2];
+                    *curPos++ = valPtr[1];
+                    *curPos++ = valPtr[0];
+                }
+            }
+        }
+
+        /// <summary>
+        /// Read float array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>
+        /// Float array.
+        /// </returns>
+        public abstract float[] ReadFloatArray(int cnt);
+
+        /// <summary>
+        /// Internal routine to read float array.
+        /// </summary>
+        /// <param name="len">Count.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        /// <returns>Float array</returns>
+        protected static float[] ReadFloatArray0(int len, byte* data, int cnt)
+        {
+            float[] res = new float[len];
+
+            if (LittleEndian)
+            {
+                fixed (float* res0 = res)
+                {
+                    CopyMemory(data, (byte*)res0, cnt);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < len; i++)
+                {
+                    int val;
+
+                    byte* valPtr = (byte*)&val;
+
+                    valPtr[3] = *data++;
+                    valPtr[2] = *data++;
+                    valPtr[1] = *data++;
+                    valPtr[0] = *data++;
+
+                    res[i] = val;
+                }
+            }
+
+            return res;
+        }
+
+        /// <summary>
+        /// Write long.
+        /// </summary>
+        /// <param name="val">Long value.</param>
+        public abstract void WriteLong(long val);
+
+        /// <summary>
+        /// Internal routine to write long value.
+        /// </summary>
+        /// <param name="val">Long value.</param>
+        /// <param name="data">Data pointer.</param>
+        protected static void WriteLong0(long val, byte* data)
+        {
+            if (LittleEndian)
+                *((long*)data) = val;
+            else
+            {
+                byte* valPtr = (byte*)&val;
+
+                data[0] = valPtr[7];
+                data[1] = valPtr[6];
+                data[2] = valPtr[5];
+                data[3] = valPtr[4];
+                data[4] = valPtr[3];
+                data[5] = valPtr[2];
+                data[6] = valPtr[1];
+                data[7] = valPtr[0];
+            }
+        }
+
+        /// <summary>
+        /// Read long.
+        /// </summary>
+        /// <returns>
+        /// Long value.
+        /// </returns>
+        public abstract long ReadLong();
+
+        /// <summary>
+        /// Internal routine to read long value.
+        /// </summary>
+        /// <param name="data">Data pointer.</param>
+        /// <returns>Long value</returns>
+        protected static long ReadLong0(byte* data)
+        {
+            long val;
+
+            if (LittleEndian)
+                val = *((long*)data);
+            else
+            {
+                byte* valPtr = (byte*)&val;
+
+                valPtr[0] = data[7];
+                valPtr[1] = data[6];
+                valPtr[2] = data[5];
+                valPtr[3] = data[4];
+                valPtr[4] = data[3];
+                valPtr[5] = data[2];
+                valPtr[6] = data[1];
+                valPtr[7] = data[0];
+            }
+
+            return val;
+        }
+
+        /// <summary>
+        /// Write long array.
+        /// </summary>
+        /// <param name="val">Long array.</param>
+        public abstract void WriteLongArray(long[] val);
+
+        /// <summary>
+        /// Internal routine to write long array.
+        /// </summary>
+        /// <param name="val">Long array.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        protected static void WriteLongArray0(long[] val, byte* data, int cnt)
+        {
+            if (LittleEndian)
+            {
+                fixed (long* val0 = val)
+                {
+                    CopyMemory((byte*)val0, data, cnt);
+                }
+            }
+            else
+            {
+                byte* curPos = data;
+
+                for (int i = 0; i < val.Length; i++)
+                {
+                    long val0 = val[i];
+
+                    byte* valPtr = (byte*)&(val0);
+
+                    *curPos++ = valPtr[7];
+                    *curPos++ = valPtr[6];
+                    *curPos++ = valPtr[5];
+                    *curPos++ = valPtr[4];
+                    *curPos++ = valPtr[3];
+                    *curPos++ = valPtr[2];
+                    *curPos++ = valPtr[1];
+                    *curPos++ = valPtr[0];
+                }
+            }
+        }
+
+        /// <summary>
+        /// Read long array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>
+        /// Long array.
+        /// </returns>
+        public abstract long[] ReadLongArray(int cnt);
+
+        /// <summary>
+        /// Internal routine to read long array.
+        /// </summary>
+        /// <param name="len">Count.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        /// <returns>Long array</returns>
+        protected static long[] ReadLongArray0(int len, byte* data, int cnt)
+        {
+            long[] res = new long[len];
+
+            if (LittleEndian)
+            {
+                fixed (long* res0 = res)
+                {
+                    CopyMemory(data, (byte*)res0, cnt);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < len; i++)
+                {
+                    long val;
+
+                    byte* valPtr = (byte*)&val;
+
+                    valPtr[7] = *data++;
+                    valPtr[6] = *data++;
+                    valPtr[5] = *data++;
+                    valPtr[4] = *data++;
+                    valPtr[3] = *data++;
+                    valPtr[2] = *data++;
+                    valPtr[1] = *data++;
+                    valPtr[0] = *data++;
+
+                    res[i] = val;
+                }
+            }
+
+            return res;
+        }
+
+        /// <summary>
+        /// Write double.
+        /// </summary>
+        /// <param name="val">Double value.</param>
+        public void WriteDouble(double val)
+        {
+            long val0 = *(long*)(&val);
+
+            WriteLong(val0);
+        }
+
+        /// <summary>
+        /// Read double.
+        /// </summary>
+        /// <returns>
+        /// Double value.
+        /// </returns>
+        public double ReadDouble()
+        {
+            long val = ReadLong();
+
+            return *(double*)(&val);
+        }
+
+        /// <summary>
+        /// Write double array.
+        /// </summary>
+        /// <param name="val">Double array.</param>
+        public abstract void WriteDoubleArray(double[] val);
+
+        /// <summary>
+        /// Internal routine to write double array.
+        /// </summary>
+        /// <param name="val">Double array.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        protected static void WriteDoubleArray0(double[] val, byte* data, int cnt)
+        {
+            if (LittleEndian)
+            {
+                fixed (double* val0 = val)
+                {
+                    CopyMemory((byte*)val0, data, cnt);
+                }
+            }
+            else
+            {
+                byte* curPos = data;
+
+                for (int i = 0; i < val.Length; i++)
+                {
+                    double val0 = val[i];
+
+                    byte* valPtr = (byte*)&(val0);
+
+                    *curPos++ = valPtr[7];
+                    *curPos++ = valPtr[6];
+                    *curPos++ = valPtr[5];
+                    *curPos++ = valPtr[4];
+                    *curPos++ = valPtr[3];
+                    *curPos++ = valPtr[2];
+                    *curPos++ = valPtr[1];
+                    *curPos++ = valPtr[0];
+                }
+            }
+        }
+
+        /// <summary>
+        /// Read double array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>
+        /// Double array.
+        /// </returns>
+        public abstract double[] ReadDoubleArray(int cnt);
+
+        /// <summary>
+        /// Internal routine to read double array.
+        /// </summary>
+        /// <param name="len">Count.</param>
+        /// <param name="data">Data pointer.</param>
+        /// <param name="cnt">Bytes count.</param>
+        /// <returns>Double array</returns>
+        protected static double[] ReadDoubleArray0(int len, byte* data, int cnt)
+        {
+            double[] res = new double[len];
+
+            if (LittleEndian)
+            {
+                fixed (double* res0 = res)
+                {
+                    CopyMemory(data, (byte*)res0, cnt);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < len; i++)
+                {
+                    double val;
+
+                    byte* valPtr = (byte*)&val;
+
+                    valPtr[7] = *data++;
+                    valPtr[6] = *data++;
+                    valPtr[5] = *data++;
+                    valPtr[4] = *data++;
+                    valPtr[3] = *data++;
+                    valPtr[2] = *data++;
+                    valPtr[1] = *data++;
+                    valPtr[0] = *data++;
+
+                    res[i] = val;
+                }
+            }
+
+            return res;
+        }
+
+        /// <summary>
+        /// Write string.
+        /// </summary>
+        /// <param name="chars">Characters.</param>
+        /// <param name="charCnt">Char count.</param>
+        /// <param name="byteCnt">Byte count.</param>
+        /// <param name="encoding">Encoding.</param>
+        /// <returns>
+        /// Amounts of bytes written.
+        /// </returns>
+        public abstract int WriteString(char* chars, int charCnt, int byteCnt, Encoding encoding);
+
+        /// <summary>
+        /// Internal string write routine.
+        /// </summary>
+        /// <param name="chars">Chars.</param>
+        /// <param name="charCnt">Chars count.</param>
+        /// <param name="byteCnt">Bytes count.</param>
+        /// <param name="enc">Encoding.</param>
+        /// <param name="data">Data.</param>
+        /// <returns>Amount of bytes written.</returns>
+        protected static int WriteString0(char* chars, int charCnt, int byteCnt, Encoding enc, byte* data)
+        {
+            return enc.GetBytes(chars, charCnt, data, byteCnt);
+        }
+
+        /// <summary>
+        /// Write arbitrary data.
+        /// </summary>
+        /// <param name="src">Source array.</param>
+        /// <param name="off">Offset</param>
+        /// <param name="cnt">Count.</param>
+        public void Write(byte[] src, int off, int cnt)
+        {
+            fixed (byte* src0 = src)
+            {
+                Write(src0 + off, cnt);
+            }
+        }
+
+        /// <summary>
+        /// Read arbitrary data.
+        /// </summary>
+        /// <param name="dest">Destination array.</param>
+        /// <param name="off">Offset.</param>
+        /// <param name="cnt">Count.</param>
+        /// <returns>
+        /// Amount of bytes read.
+        /// </returns>
+        public void Read(byte[] dest, int off, int cnt)
+        {
+            fixed (byte* dest0 = dest)
+            {
+                Read(dest0 + off, cnt);
+            }
+        }
+
+        /// <summary>
+        /// Write arbitrary data.
+        /// </summary>
+        /// <param name="src">Source.</param>
+        /// <param name="cnt">Count.</param>
+        public abstract void Write(byte* src, int cnt);
+
+        /// <summary>
+        /// Internal write routine.
+        /// </summary>
+        /// <param name="src">Source.</param>
+        /// <param name="cnt">Count.</param>
+        /// <param name="data">Data (dsetination).</param>
+        protected void WriteInternal(byte* src, int cnt, byte* data)
+        {
+            CopyMemory(src, data + Pos, cnt);
+        }
+
+        /// <summary>
+        /// Read arbitrary data.
+        /// </summary>
+        /// <param name="dest">Destination.</param>
+        /// <param name="cnt">Count.</param>
+        /// <returns></returns>
+        public abstract void Read(byte* dest, int cnt);
+
+        /// <summary>
+        /// Internal read routine.
+        /// </summary>
+        /// <param name="src">Source</param>
+        /// <param name="dest">Destination.</param>
+        /// <param name="cnt">Count.</param>
+        /// <returns>Amount of bytes written.</returns>
+        protected void ReadInternal(byte* src, byte* dest, int cnt)
+        {
+            int cnt0 = Math.Min(Remaining, cnt);
+
+            CopyMemory(src + Pos, dest, cnt0);
+
+            ShiftRead(cnt0);
+        }
+
+        /// <summary>
+        /// Position.
+        /// </summary>
+        public int Position
+        {
+            get { return Pos; }
+        }
+
+        /// <summary>
+        /// Gets remaining bytes in the stream.
+        /// </summary>
+        /// <value>
+        ///     Remaining bytes.
+        /// </value>
+        public abstract int Remaining { get; }
+
+        /// <summary>
+        /// Gets underlying array, avoiding copying if possible.
+        /// </summary>
+        /// <returns>
+        /// Underlying array.
+        /// </returns>
+        public abstract byte[] GetArray();
+
+        /// <summary>
+        /// Gets underlying data in a new array.
+        /// </summary>
+        /// <returns>
+        /// New array with data.
+        /// </returns>
+        public abstract byte[] GetArrayCopy();
+
+        /// <summary>
+        /// Check whether array passed as argument is the same as the stream hosts.
+        /// </summary>
+        /// <param name="arr">Array.</param>
+        /// <returns>
+        ///   <c>True</c> if they are same.
+        /// </returns>
+        public virtual bool IsSameArray(byte[] arr)
+        {
+            return false;
+        }
+
+        /// <summary>
+        /// Seek to the given positoin.
+        /// </summary>
+        /// <param name="offset">Offset.</param>
+        /// <param name="origin">Seek origin.</param>
+        /// <returns>
+        /// Position.
+        /// </returns>
+        /// <exception cref="System.ArgumentException">
+        /// Unsupported seek origin:  + origin
+        /// or
+        /// Seek before origin:  + newPos
+        /// </exception>
+        public int Seek(int offset, SeekOrigin origin)
+        {
+            int newPos;
+
+            switch (origin)
+            {
+                case SeekOrigin.Begin:
+                    {
+                        newPos = offset;
+
+                        break;
+                    }
+
+                case SeekOrigin.Current:
+                    {
+                        newPos = Pos + offset;
+
+                        break;
+                    }
+
+                default:
+                    throw new ArgumentException("Unsupported seek origin: " + origin);
+            }
+
+            if (newPos < 0)
+                throw new ArgumentException("Seek before origin: " + newPos);
+
+            EnsureWriteCapacity(newPos);
+
+            Pos = newPos;
+
+            return Pos;
+        }
+
+        /** <inheritdoc /> */
+        public void Dispose()
+        {
+            if (_disposed)
+                return;
+
+            Dispose(true);
+
+            GC.SuppressFinalize(this);
+
+            _disposed = true;
+        }
+
+        /// <summary>
+        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
+        /// </summary>
+        protected abstract void Dispose(bool disposing);
+
+        /// <summary>
+        /// Ensure capacity for write.
+        /// </summary>
+        /// <param name="cnt">Bytes count.</param>
+        protected abstract void EnsureWriteCapacity(int cnt);
+
+        /// <summary>
+        /// Ensure capacity for write and shift position.
+        /// </summary>
+        /// <param name="cnt">Bytes count.</param>
+        /// <returns>Position before shift.</returns>
+        protected int EnsureWriteCapacityAndShift(int cnt)
+        {
+            int pos0 = Pos;
+
+            EnsureWriteCapacity(Pos + cnt);
+
+            ShiftWrite(cnt);
+
+            return pos0;
+        }
+
+        /// <summary>
+        /// Ensure capacity for read.
+        /// </summary>
+        /// <param name="cnt">Bytes count.</param>
+        protected abstract void EnsureReadCapacity(int cnt);
+
+        /// <summary>
+        /// Ensure capacity for read and shift position.
+        /// </summary>
+        /// <param name="cnt">Bytes count.</param>
+        /// <returns>Position before shift.</returns>
+        protected int EnsureReadCapacityAndShift(int cnt)
+        {
+            int pos0 = Pos;
+
+            EnsureReadCapacity(cnt);
+
+            ShiftRead(cnt);
+
+            return pos0;
+        }
+
+        /// <summary>
+        /// Shift position due to write
+        /// </summary>
+        /// <param name="cnt">Bytes count.</param>
+        protected void ShiftWrite(int cnt)
+        {
+            Pos += cnt;
+        }
+
+        /// <summary>
+        /// Shift position due to read.
+        /// </summary>
+        /// <param name="cnt">Bytes count.</param>
+        private void ShiftRead(int cnt)
+        {
+            Pos += cnt;
+        }
+
+        /// <summary>
+        /// Calculate new capacity.
+        /// </summary>
+        /// <param name="curCap">Current capacity.</param>
+        /// <param name="reqCap">Required capacity.</param>
+        /// <returns>New capacity.</returns>
+        protected static int Capacity(int curCap, int reqCap)
+        {
+            int newCap;
+
+            if (reqCap < 256)
+                newCap = 256;
+            else
+            {
+                newCap = curCap << 1;
+
+                if (newCap < reqCap)
+                    newCap = reqCap;
+            }
+
+            return newCap;
+        }
+
+        /// <summary>
+        /// Unsafe memory copy routine.
+        /// </summary>
+        /// <param name="src">Source.</param>
+        /// <param name="dest">Destination.</param>
+        /// <param name="len">Length.</param>
+        private static void CopyMemory(byte* src, byte* dest, int len)
+        {
+            PlatformMemoryUtils.CopyMemory(src, dest, len);
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/894057e5/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Io/IBinaryStream.cs
----------------------------------------------------------------------
diff --git a/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Io/IBinaryStream.cs b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Io/IBinaryStream.cs
new file mode 100644
index 0000000..d530713
--- /dev/null
+++ b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Io/IBinaryStream.cs
@@ -0,0 +1,322 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+namespace Apache.Ignite.Core.Impl.Binary.IO
+{
+    using System;
+    using System.Diagnostics.CodeAnalysis;
+    using System.IO;
+    using System.Text;
+
+    /// <summary>
+    /// Stream capable of working with binary objects.
+    /// </summary>
+    [CLSCompliant(false)]
+    [SuppressMessage("Microsoft.Naming", "CA1711:IdentifiersShouldNotHaveIncorrectSuffix")]
+    public unsafe interface IBinaryStream : IDisposable
+    {
+        /// <summary>
+        /// Write bool.
+        /// </summary>
+        /// <param name="val">Bool value.</param>
+        void WriteBool(bool val);
+
+        /// <summary>
+        /// Read bool.
+        /// </summary>
+        /// <returns>Bool value.</returns>
+        bool ReadBool();
+
+        /// <summary>
+        /// Write bool array.
+        /// </summary>
+        /// <param name="val">Bool array.</param>
+        void WriteBoolArray(bool[] val);
+
+        /// <summary>
+        /// Read bool array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>Bool array.</returns>
+        bool[] ReadBoolArray(int cnt);
+
+        /// <summary>
+        /// Write byte.
+        /// </summary>
+        /// <param name="val">Byte value.</param>
+        void WriteByte(byte val);
+
+        /// <summary>
+        /// Read byte.
+        /// </summary>
+        /// <returns>Byte value.</returns>
+        byte ReadByte();
+
+        /// <summary>
+        /// Write byte array.
+        /// </summary>
+        /// <param name="val">Byte array.</param>
+        void WriteByteArray(byte[] val);
+
+        /// <summary>
+        /// Read byte array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>Byte array.</returns>
+        byte[] ReadByteArray(int cnt);
+
+        /// <summary>
+        /// Write short.
+        /// </summary>
+        /// <param name="val">Short value.</param>
+        void WriteShort(short val);
+
+        /// <summary>
+        /// Read short.
+        /// </summary>
+        /// <returns>Short value.</returns>
+        short ReadShort();
+
+        /// <summary>
+        /// Write short array.
+        /// </summary>
+        /// <param name="val">Short array.</param>
+        void WriteShortArray(short[] val);
+
+        /// <summary>
+        /// Read short array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>Short array.</returns>
+        short[] ReadShortArray(int cnt);
+
+        /// <summary>
+        /// Write char.
+        /// </summary>
+        /// <param name="val">Char value.</param>
+        void WriteChar(char val);
+
+        /// <summary>
+        /// Read char.
+        /// </summary>
+        /// <returns>Char value.</returns>
+        char ReadChar();
+
+        /// <summary>
+        /// Write char array.
+        /// </summary>
+        /// <param name="val">Char array.</param>
+        void WriteCharArray(char[] val);
+
+        /// <summary>
+        /// Read char array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>Char array.</returns>
+        char[] ReadCharArray(int cnt);
+
+        /// <summary>
+        /// Write int.
+        /// </summary>
+        /// <param name="val">Int value.</param>
+        void WriteInt(int val);
+
+        /// <summary>
+        /// Write int to specific position.
+        /// </summary>
+        /// <param name="writePos">Position.</param>
+        /// <param name="val">Value.</param>
+        void WriteInt(int writePos, int val);
+
+        /// <summary>
+        /// Read int.
+        /// </summary>
+        /// <returns>Int value.</returns>
+        int ReadInt();
+
+        /// <summary>
+        /// Write int array.
+        /// </summary>
+        /// <param name="val">Int array.</param>
+        void WriteIntArray(int[] val);
+
+        /// <summary>
+        /// Read int array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>Int array.</returns>
+        int[] ReadIntArray(int cnt);
+        
+        /// <summary>
+        /// Write long.
+        /// </summary>
+        /// <param name="val">Long value.</param>
+        void WriteLong(long val);
+
+        /// <summary>
+        /// Read long.
+        /// </summary>
+        /// <returns>Long value.</returns>
+        long ReadLong();
+
+        /// <summary>
+        /// Write long array.
+        /// </summary>
+        /// <param name="val">Long array.</param>
+        void WriteLongArray(long[] val);
+
+        /// <summary>
+        /// Read long array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>Long array.</returns>
+        long[] ReadLongArray(int cnt);
+
+        /// <summary>
+        /// Write float.
+        /// </summary>
+        /// <param name="val">Float value.</param>
+        void WriteFloat(float val);
+
+        /// <summary>
+        /// Read float.
+        /// </summary>
+        /// <returns>Float value.</returns>
+        float ReadFloat();
+
+        /// <summary>
+        /// Write float array.
+        /// </summary>
+        /// <param name="val">Float array.</param>
+        void WriteFloatArray(float[] val);
+
+        /// <summary>
+        /// Read float array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>Float array.</returns>
+        float[] ReadFloatArray(int cnt);
+
+        /// <summary>
+        /// Write double.
+        /// </summary>
+        /// <param name="val">Double value.</param>
+        void WriteDouble(double val);
+
+        /// <summary>
+        /// Read double.
+        /// </summary>
+        /// <returns>Double value.</returns>
+        double ReadDouble();
+
+        /// <summary>
+        /// Write double array.
+        /// </summary>
+        /// <param name="val">Double array.</param>
+        void WriteDoubleArray(double[] val);
+
+        /// <summary>
+        /// Read double array.
+        /// </summary>
+        /// <param name="cnt">Count.</param>
+        /// <returns>Double array.</returns>
+        double[] ReadDoubleArray(int cnt);
+
+        /// <summary>
+        /// Write string.
+        /// </summary>
+        /// <param name="chars">Characters.</param>
+        /// <param name="charCnt">Char count.</param>
+        /// <param name="byteCnt">Byte count.</param>
+        /// <param name="encoding">Encoding.</param>
+        /// <returns>Amounts of bytes written.</returns>
+        int WriteString(char* chars, int charCnt, int byteCnt, Encoding encoding);
+
+        /// <summary>
+        /// Write arbitrary data.
+        /// </summary>
+        /// <param name="src">Source array.</param>
+        /// <param name="off">Offset</param>
+        /// <param name="cnt">Count.</param>
+        void Write(byte[] src, int off, int cnt);
+
+        /// <summary>
+        /// Read arbitrary data.
+        /// </summary>
+        /// <param name="dest">Destination array.</param>
+        /// <param name="off">Offset.</param>
+        /// <param name="cnt">Count.</param>
+        /// <returns>Amount of bytes read.</returns>
+        void Read(byte[] dest, int off, int cnt);
+
+        /// <summary>
+        /// Write arbitrary data.
+        /// </summary>
+        /// <param name="src">Source.</param>
+        /// <param name="cnt">Count.</param>
+        void Write(byte* src, int cnt);
+
+        /// <summary>
+        /// Read arbitrary data.
+        /// </summary>
+        /// <param name="dest">Destination.</param>
+        /// <param name="cnt">Count.</param>
+        void Read(byte* dest, int cnt);
+        
+        /// <summary>
+        /// Position.
+        /// </summary>
+        int Position
+        {
+            get;
+        }
+
+        /// <summary>
+        /// Gets remaining bytes in the stream.
+        /// </summary>
+        /// <value>Remaining bytes.</value>
+        int Remaining { get; }
+
+        /// <summary>
+        /// Gets underlying array, avoiding copying if possible.
+        /// </summary>
+        /// <returns>Underlying array.</returns>
+        byte[] GetArray();
+
+        /// <summary>
+        /// Gets underlying data in a new array.
+        /// </summary>
+        /// <returns>New array with data.</returns>
+        byte[] GetArrayCopy();
+        
+        /// <summary>
+        /// Check whether array passed as argument is the same as the stream hosts.
+        /// </summary>
+        /// <param name="arr">Array.</param>
+        /// <returns><c>True</c> if they are same.</returns>
+        bool IsSameArray(byte[] arr);
+
+        /// <summary>
+        /// Seek to the given positoin.
+        /// </summary>
+        /// <param name="offset">Offset.</param>
+        /// <param name="origin">Seek origin.</param>
+        /// <returns>Position.</returns>
+        int Seek(int offset, SeekOrigin origin);
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/894057e5/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Marshaller.cs
----------------------------------------------------------------------
diff --git a/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Marshaller.cs b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Marshaller.cs
new file mode 100644
index 0000000..251610e
--- /dev/null
+++ b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Marshaller.cs
@@ -0,0 +1,537 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Apache.Ignite.Core.Impl.Binary
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Globalization;
+    using System.Linq;
+    using Apache.Ignite.Core.Binary;
+    using Apache.Ignite.Core.Impl.Binary.IO;
+    using Apache.Ignite.Core.Impl.Binary.Metadata;
+    using Apache.Ignite.Core.Impl.Cache;
+    using Apache.Ignite.Core.Impl.Cache.Query.Continuous;
+    using Apache.Ignite.Core.Impl.Compute;
+    using Apache.Ignite.Core.Impl.Compute.Closure;
+    using Apache.Ignite.Core.Impl.Datastream;
+    using Apache.Ignite.Core.Impl.Messaging;
+
+    /// <summary>
+    /// Marshaller implementation.
+    /// </summary>
+    internal class Marshaller
+    {
+        /** Binary configuration. */
+        private readonly BinaryConfiguration _cfg;
+
+        /** Type to descriptor map. */
+        private readonly IDictionary<Type, IBinaryTypeDescriptor> _typeToDesc =
+            new Dictionary<Type, IBinaryTypeDescriptor>();
+
+        /** Type name to descriptor map. */
+        private readonly IDictionary<string, IBinaryTypeDescriptor> _typeNameToDesc =
+            new Dictionary<string, IBinaryTypeDescriptor>();
+
+        /** ID to descriptor map. */
+        private readonly IDictionary<long, IBinaryTypeDescriptor> _idToDesc =
+            new Dictionary<long, IBinaryTypeDescriptor>();
+
+        /** Cached metadatas. */
+        private volatile IDictionary<int, BinaryTypeHolder> _metas =
+            new Dictionary<int, BinaryTypeHolder>();
+
+        /// <summary>
+        /// Constructor.
+        /// </summary>
+        /// <param name="cfg">Configurtaion.</param>
+        public Marshaller(BinaryConfiguration cfg)
+        {
+            // Validation.
+            if (cfg == null)
+                cfg = new BinaryConfiguration();
+
+            if (cfg.TypeConfigurations == null)
+                cfg.TypeConfigurations = new List<BinaryTypeConfiguration>();
+
+            foreach (BinaryTypeConfiguration typeCfg in cfg.TypeConfigurations)
+            {
+                if (string.IsNullOrEmpty(typeCfg.TypeName))
+                    throw new BinaryObjectException("Type name cannot be null or empty: " + typeCfg);
+            }
+
+            // Define system types. They use internal reflective stuff, so configuration doesn't affect them.
+            AddSystemTypes();
+
+            // 2. Define user types.
+            var dfltSerializer = cfg.DefaultSerializer == null ? new BinaryReflectiveSerializer() : null;
+
+            var typeResolver = new TypeResolver();
+
+            ICollection<BinaryTypeConfiguration> typeCfgs = cfg.TypeConfigurations;
+
+            if (typeCfgs != null)
+                foreach (BinaryTypeConfiguration typeCfg in typeCfgs)
+                    AddUserType(cfg, typeCfg, typeResolver, dfltSerializer);
+
+            ICollection<string> types = cfg.Types;
+
+            if (types != null)
+                foreach (string type in types)
+                    AddUserType(cfg, new BinaryTypeConfiguration(type), typeResolver, dfltSerializer);
+
+            if (cfg.DefaultSerializer == null)
+                cfg.DefaultSerializer = dfltSerializer;
+
+            _cfg = cfg;
+        }
+
+        /// <summary>
+        /// Gets or sets the backing grid.
+        /// </summary>
+        public Ignite Ignite { get; set; }
+
+        /// <summary>
+        /// Marshal object.
+        /// </summary>
+        /// <param name="val">Value.</param>
+        /// <returns>Serialized data as byte array.</returns>
+        public byte[] Marshal<T>(T val)
+        {
+            BinaryHeapStream stream = new BinaryHeapStream(128);
+
+            Marshal(val, stream);
+
+            return stream.GetArrayCopy();
+        }
+
+        /// <summary>
+        /// Marshal object.
+        /// </summary>
+        /// <param name="val">Value.</param>
+        /// <param name="stream">Output stream.</param>
+        /// <returns>Collection of metadatas (if any).</returns>
+        private void Marshal<T>(T val, IBinaryStream stream)
+        {
+            BinaryWriter writer = StartMarshal(stream);
+
+            writer.Write(val);
+
+            FinishMarshal(writer);
+        }
+
+        /// <summary>
+        /// Start marshal session.
+        /// </summary>
+        /// <param name="stream">Stream.</param>
+        /// <returns>Writer.</returns>
+        public BinaryWriter StartMarshal(IBinaryStream stream)
+        {
+            return new BinaryWriter(this, stream);
+        }
+
+        /// <summary>
+        /// Finish marshal session.
+        /// </summary>
+        /// <param name="writer">Writer.</param>
+        /// <returns>Dictionary with metadata.</returns>
+        public void FinishMarshal(IBinaryWriter writer)
+        {
+            var meta = ((BinaryWriter) writer).GetBinaryTypes();
+
+            var ignite = Ignite;
+
+            if (ignite != null && meta != null && meta.Count > 0)
+                ignite.PutBinaryTypes(meta);
+        }
+
+        /// <summary>
+        /// Unmarshal object.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="data">Data array.</param>
+        /// <param name="keepBinary">Whether to keep binarizable as binary.</param>
+        /// <returns>
+        /// Object.
+        /// </returns>
+        public T Unmarshal<T>(byte[] data, bool keepBinary)
+        {
+            return Unmarshal<T>(new BinaryHeapStream(data), keepBinary);
+        }
+
+        /// <summary>
+        /// Unmarshal object.
+        /// </summary>
+        /// <param name="data">Data array.</param>
+        /// <param name="mode">The mode.</param>
+        /// <returns>
+        /// Object.
+        /// </returns>
+        public T Unmarshal<T>(byte[] data, BinaryMode mode = BinaryMode.Deserialize)
+        {
+            return Unmarshal<T>(new BinaryHeapStream(data), mode);
+        }
+
+        /// <summary>
+        /// Unmarshal object.
+        /// </summary>
+        /// <param name="stream">Stream over underlying byte array with correct position.</param>
+        /// <param name="keepBinary">Whether to keep binary objects in binary form.</param>
+        /// <returns>
+        /// Object.
+        /// </returns>
+        public T Unmarshal<T>(IBinaryStream stream, bool keepBinary)
+        {
+            return Unmarshal<T>(stream, keepBinary ? BinaryMode.KeepBinary : BinaryMode.Deserialize, null);
+        }
+
+        /// <summary>
+        /// Unmarshal object.
+        /// </summary>
+        /// <param name="stream">Stream over underlying byte array with correct position.</param>
+        /// <param name="mode">The mode.</param>
+        /// <returns>
+        /// Object.
+        /// </returns>
+        public T Unmarshal<T>(IBinaryStream stream, BinaryMode mode = BinaryMode.Deserialize)
+        {
+            return Unmarshal<T>(stream, mode, null);
+        }
+
+        /// <summary>
+        /// Unmarshal object.
+        /// </summary>
+        /// <param name="stream">Stream over underlying byte array with correct position.</param>
+        /// <param name="mode">The mode.</param>
+        /// <param name="builder">Builder.</param>
+        /// <returns>
+        /// Object.
+        /// </returns>
+        public T Unmarshal<T>(IBinaryStream stream, BinaryMode mode, BinaryObjectBuilder builder)
+        {
+            return new BinaryReader(this, _idToDesc, stream, mode, builder).Deserialize<T>();
+        }
+
+        /// <summary>
+        /// Start unmarshal session.
+        /// </summary>
+        /// <param name="stream">Stream.</param>
+        /// <param name="keepBinary">Whether to keep binarizable as binary.</param>
+        /// <returns>
+        /// Reader.
+        /// </returns>
+        public BinaryReader StartUnmarshal(IBinaryStream stream, bool keepBinary)
+        {
+            return new BinaryReader(this, _idToDesc, stream,
+                keepBinary ? BinaryMode.KeepBinary : BinaryMode.Deserialize, null);
+        }
+
+        /// <summary>
+        /// Start unmarshal session.
+        /// </summary>
+        /// <param name="stream">Stream.</param>
+        /// <param name="mode">The mode.</param>
+        /// <returns>Reader.</returns>
+        public BinaryReader StartUnmarshal(IBinaryStream stream, BinaryMode mode = BinaryMode.Deserialize)
+        {
+            return new BinaryReader(this, _idToDesc, stream, mode, null);
+        }
+        
+        /// <summary>
+        /// Gets metadata for the given type ID.
+        /// </summary>
+        /// <param name="typeId">Type ID.</param>
+        /// <returns>Metadata or null.</returns>
+        public IBinaryType GetBinaryType(int typeId)
+        {
+            if (Ignite != null)
+            {
+                IBinaryType meta = Ignite.GetBinaryType(typeId);
+
+                if (meta != null)
+                    return meta;
+            }
+
+            return BinaryType.EmptyMeta;
+        }
+
+        /// <summary>
+        /// Gets binary type handler for the given type ID.
+        /// </summary>
+        /// <param name="desc">Type descriptor.</param>
+        /// <returns>Binary type handler.</returns>
+        public IBinaryTypeHandler GetBinaryTypeHandler(IBinaryTypeDescriptor desc)
+        {
+            BinaryTypeHolder holder;
+
+            if (!_metas.TryGetValue(desc.TypeId, out holder))
+            {
+                lock (this)
+                {
+                    if (!_metas.TryGetValue(desc.TypeId, out holder))
+                    {
+                        IDictionary<int, BinaryTypeHolder> metas0 =
+                            new Dictionary<int, BinaryTypeHolder>(_metas);
+
+                        holder = new BinaryTypeHolder(desc.TypeId, desc.TypeName, desc.AffinityKeyFieldName);
+
+                        metas0[desc.TypeId] = holder;
+
+                        _metas = metas0;
+                    }
+                }
+            }
+
+            if (holder != null)
+            {
+                ICollection<int> ids = holder.FieldIds();
+
+                bool newType = ids.Count == 0 && !holder.Saved();
+
+                return new BinaryTypeHashsetHandler(ids, newType);
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// Callback invoked when metadata has been sent to the server and acknowledged by it.
+        /// </summary>
+        /// <param name="newMetas">Binary types.</param>
+        public void OnBinaryTypesSent(IDictionary<int, IBinaryType> newMetas)
+        {
+            foreach (KeyValuePair<int, IBinaryType> metaEntry in newMetas)
+            {
+                BinaryType meta = (BinaryType) metaEntry.Value;
+
+                IDictionary<int, Tuple<string, int>> mergeInfo =
+                    new Dictionary<int, Tuple<string, int>>(meta.FieldsMap().Count);
+
+                foreach (KeyValuePair<string, int> fieldMeta in meta.FieldsMap())
+                {
+                    int fieldId = BinaryUtils.FieldId(metaEntry.Key, fieldMeta.Key, null, null);
+
+                    mergeInfo[fieldId] = new Tuple<string, int>(fieldMeta.Key, fieldMeta.Value);
+                }
+
+                _metas[metaEntry.Key].Merge(mergeInfo);
+            }
+        }
+        
+        /// <summary>
+        /// Gets descriptor for type.
+        /// </summary>
+        /// <param name="type">Type.</param>
+        /// <returns>Descriptor.</returns>
+        public IBinaryTypeDescriptor GetDescriptor(Type type)
+        {
+            IBinaryTypeDescriptor desc;
+
+            _typeToDesc.TryGetValue(type, out desc);
+
+            return desc;
+        }
+
+        /// <summary>
+        /// Gets descriptor for type name.
+        /// </summary>
+        /// <param name="typeName">Type name.</param>
+        /// <returns>Descriptor.</returns>
+        public IBinaryTypeDescriptor GetDescriptor(string typeName)
+        {
+            IBinaryTypeDescriptor desc;
+
+            return _typeNameToDesc.TryGetValue(typeName, out desc) ? desc : 
+                new BinarySurrogateTypeDescriptor(_cfg, typeName);
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="userType"></param>
+        /// <param name="typeId"></param>
+        /// <returns></returns>
+        public IBinaryTypeDescriptor GetDescriptor(bool userType, int typeId)
+        {
+            IBinaryTypeDescriptor desc;
+
+            return _idToDesc.TryGetValue(BinaryUtils.TypeKey(userType, typeId), out desc) ? desc :
+                userType ? new BinarySurrogateTypeDescriptor(_cfg, typeId) : null;
+        }
+
+        /// <summary>
+        /// Add user type.
+        /// </summary>
+        /// <param name="cfg">Configuration.</param>
+        /// <param name="typeCfg">Type configuration.</param>
+        /// <param name="typeResolver">The type resolver.</param>
+        /// <param name="dfltSerializer">The default serializer.</param>
+        private void AddUserType(BinaryConfiguration cfg, BinaryTypeConfiguration typeCfg, 
+            TypeResolver typeResolver, IBinarySerializer dfltSerializer)
+        {
+            // Get converter/mapper/serializer.
+            IBinaryNameMapper nameMapper = typeCfg.NameMapper ?? cfg.DefaultNameMapper;
+
+            IBinaryIdMapper idMapper = typeCfg.IdMapper ?? cfg.DefaultIdMapper;
+
+            bool keepDeserialized = typeCfg.KeepDeserialized ?? cfg.DefaultKeepDeserialized;
+
+            // Try resolving type.
+            Type type = typeResolver.ResolveType(typeCfg.TypeName);
+
+            if (type != null)
+            {
+                // Type is found.
+                var typeName = GetTypeName(type);
+
+                int typeId = BinaryUtils.TypeId(typeName, nameMapper, idMapper);
+
+                var serializer = typeCfg.Serializer ?? cfg.DefaultSerializer
+                                 ?? GetBinarizableSerializer(type) ?? dfltSerializer;
+
+                var refSerializer = serializer as BinaryReflectiveSerializer;
+
+                if (refSerializer != null)
+                    refSerializer.Register(type, typeId, nameMapper, idMapper);
+
+                AddType(type, typeId, typeName, true, keepDeserialized, nameMapper, idMapper, serializer,
+                    typeCfg.AffinityKeyFieldName);
+            }
+            else
+            {
+                // Type is not found.
+                string typeName = BinaryUtils.SimpleTypeName(typeCfg.TypeName);
+
+                int typeId = BinaryUtils.TypeId(typeName, nameMapper, idMapper);
+
+                AddType(null, typeId, typeName, true, keepDeserialized, nameMapper, idMapper, null,
+                    typeCfg.AffinityKeyFieldName);
+            }
+        }
+
+        /// <summary>
+        /// Gets the <see cref="BinarizableSerializer"/> for a type if it is compatible.
+        /// </summary>
+        /// <param name="type">The type.</param>
+        /// <returns>Resulting <see cref="BinarizableSerializer"/>, or null.</returns>
+        private static IBinarySerializer GetBinarizableSerializer(Type type)
+        {
+            return type.GetInterfaces().Contains(typeof (IBinarizable)) 
+                ? BinarizableSerializer.Instance 
+                : null;
+        }
+        
+        /// <summary>
+        /// Add type.
+        /// </summary>
+        /// <param name="type">Type.</param>
+        /// <param name="typeId">Type ID.</param>
+        /// <param name="typeName">Type name.</param>
+        /// <param name="userType">User type flag.</param>
+        /// <param name="keepDeserialized">Whether to cache deserialized value in IBinaryObject</param>
+        /// <param name="nameMapper">Name mapper.</param>
+        /// <param name="idMapper">ID mapper.</param>
+        /// <param name="serializer">Serializer.</param>
+        /// <param name="affKeyFieldName">Affinity key field name.</param>
+        private void AddType(Type type, int typeId, string typeName, bool userType, 
+            bool keepDeserialized, IBinaryNameMapper nameMapper, IBinaryIdMapper idMapper,
+            IBinarySerializer serializer, string affKeyFieldName)
+        {
+            long typeKey = BinaryUtils.TypeKey(userType, typeId);
+
+            IBinaryTypeDescriptor conflictingType;
+
+            if (_idToDesc.TryGetValue(typeKey, out conflictingType))
+            {
+                var type1 = conflictingType.Type != null
+                    ? conflictingType.Type.AssemblyQualifiedName
+                    : conflictingType.TypeName;
+
+                var type2 = type != null ? type.AssemblyQualifiedName : typeName;
+
+                throw new BinaryObjectException(string.Format("Conflicting type IDs [type1='{0}', " +
+                                                              "type2='{1}', typeId={2}]", type1, type2, typeId));
+            }
+
+            if (userType && _typeNameToDesc.ContainsKey(typeName))
+                throw new BinaryObjectException("Conflicting type name: " + typeName);
+
+            IBinaryTypeDescriptor descriptor =
+                new BinaryFullTypeDescriptor(type, typeId, typeName, userType, nameMapper, idMapper, serializer,
+                    keepDeserialized, affKeyFieldName);
+
+            if (type != null)
+                _typeToDesc[type] = descriptor;
+
+            if (userType)
+                _typeNameToDesc[typeName] = descriptor;
+
+            _idToDesc[typeKey] = descriptor;            
+        }
+
+        /// <summary>
+        /// Adds a predefined system type.
+        /// </summary>
+        private void AddSystemType<T>(byte typeId, Func<BinaryReader, T> ctor) where T : IBinaryWriteAware
+        {
+            var type = typeof(T);
+
+            var serializer = new BinarySystemTypeSerializer<T>(ctor);
+
+            AddType(type, typeId, GetTypeName(type), false, false, null, null, serializer, null);
+        }
+
+        /// <summary>
+        /// Adds predefined system types.
+        /// </summary>
+        private void AddSystemTypes()
+        {
+            AddSystemType(BinaryUtils.TypeNativeJobHolder, w => new ComputeJobHolder(w));
+            AddSystemType(BinaryUtils.TypeComputeJobWrapper, w => new ComputeJobWrapper(w));
+            AddSystemType(BinaryUtils.TypeIgniteProxy, w => new IgniteProxy());
+            AddSystemType(BinaryUtils.TypeComputeOutFuncJob, w => new ComputeOutFuncJob(w));
+            AddSystemType(BinaryUtils.TypeComputeOutFuncWrapper, w => new ComputeOutFuncWrapper(w));
+            AddSystemType(BinaryUtils.TypeComputeFuncWrapper, w => new ComputeFuncWrapper(w));
+            AddSystemType(BinaryUtils.TypeComputeFuncJob, w => new ComputeFuncJob(w));
+            AddSystemType(BinaryUtils.TypeComputeActionJob, w => new ComputeActionJob(w));
+            AddSystemType(BinaryUtils.TypeContinuousQueryRemoteFilterHolder, w => new ContinuousQueryFilterHolder(w));
+            AddSystemType(BinaryUtils.TypeSerializableHolder, w => new SerializableObjectHolder(w));
+            AddSystemType(BinaryUtils.TypeDateTimeHolder, w => new DateTimeHolder(w));
+            AddSystemType(BinaryUtils.TypeCacheEntryProcessorHolder, w => new CacheEntryProcessorHolder(w));
+            AddSystemType(BinaryUtils.TypeCacheEntryPredicateHolder, w => new CacheEntryFilterHolder(w));
+            AddSystemType(BinaryUtils.TypeMessageListenerHolder, w => new MessageListenerHolder(w));
+            AddSystemType(BinaryUtils.TypeStreamReceiverHolder, w => new StreamReceiverHolder(w));
+        }
+
+        /// <summary>
+        /// Gets the name of the type.
+        /// </summary>
+        /// <param name="type">The type.</param>
+        /// <returns>
+        /// Simple type name for non-generic types; simple type name with appended generic arguments for generic types.
+        /// </returns>
+        private static string GetTypeName(Type type)
+        {
+            if (!type.IsGenericType)
+                return type.Name;
+
+            var args = type.GetGenericArguments().Select(GetTypeName).Aggregate((x, y) => x + "," + y);
+
+            return string.Format(CultureInfo.InvariantCulture, "{0}[{1}]", type.Name, args);
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/894057e5/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryType.cs
----------------------------------------------------------------------
diff --git a/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryType.cs b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryType.cs
new file mode 100644
index 0000000..3e9a28d
--- /dev/null
+++ b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryType.cs
@@ -0,0 +1,200 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Apache.Ignite.Core.Impl.Binary.Metadata
+{
+    using System.Collections.Generic;
+    using System.Diagnostics.CodeAnalysis;
+    using Apache.Ignite.Core.Binary;
+
+    /// <summary>
+    /// Binary metadata implementation.
+    /// </summary>
+    internal class BinaryType : IBinaryType
+    {
+        /** Empty metadata. */
+        [SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]
+        public static readonly BinaryType EmptyMeta =
+            new BinaryType(BinaryUtils.TypeObject, BinaryTypeNames.TypeNameObject, null, null);
+
+        /** Empty dictionary. */
+        private static readonly IDictionary<string, int> EmptyDict = new Dictionary<string, int>();
+
+        /** Empty list. */
+        private static readonly ICollection<string> EmptyList = new List<string>().AsReadOnly();
+
+        /** Fields. */
+        private readonly IDictionary<string, int> _fields;
+
+        /// <summary>
+        /// Get type name by type ID.
+        /// </summary>
+        /// <param name="typeId">Type ID.</param>
+        /// <returns>Type name.</returns>
+        private static string ConvertTypeName(int typeId)
+        {
+            switch (typeId)
+            {
+                case BinaryUtils.TypeBool:
+                    return BinaryTypeNames.TypeNameBool;
+                case BinaryUtils.TypeByte:
+                    return BinaryTypeNames.TypeNameByte;
+                case BinaryUtils.TypeShort:
+                    return BinaryTypeNames.TypeNameShort;
+                case BinaryUtils.TypeChar:
+                    return BinaryTypeNames.TypeNameChar;
+                case BinaryUtils.TypeInt:
+                    return BinaryTypeNames.TypeNameInt;
+                case BinaryUtils.TypeLong:
+                    return BinaryTypeNames.TypeNameLong;
+                case BinaryUtils.TypeFloat:
+                    return BinaryTypeNames.TypeNameFloat;
+                case BinaryUtils.TypeDouble:
+                    return BinaryTypeNames.TypeNameDouble;
+                case BinaryUtils.TypeDecimal:
+                    return BinaryTypeNames.TypeNameDecimal;
+                case BinaryUtils.TypeString:
+                    return BinaryTypeNames.TypeNameString;
+                case BinaryUtils.TypeGuid:
+                    return BinaryTypeNames.TypeNameGuid;
+                case BinaryUtils.TypeTimestamp:
+                    return BinaryTypeNames.TypeNameTimestamp;
+                case BinaryUtils.TypeEnum:
+                    return BinaryTypeNames.TypeNameEnum;
+                case BinaryUtils.TypeBinary:
+                case BinaryUtils.TypeObject:
+                    return BinaryTypeNames.TypeNameObject;
+                case BinaryUtils.TypeArrayBool:
+                    return BinaryTypeNames.TypeNameArrayBool;
+                case BinaryUtils.TypeArrayByte:
+                    return BinaryTypeNames.TypeNameArrayByte;
+                case BinaryUtils.TypeArrayShort:
+                    return BinaryTypeNames.TypeNameArrayShort;
+                case BinaryUtils.TypeArrayChar:
+                    return BinaryTypeNames.TypeNameArrayChar;
+                case BinaryUtils.TypeArrayInt:
+                    return BinaryTypeNames.TypeNameArrayInt;
+                case BinaryUtils.TypeArrayLong:
+                    return BinaryTypeNames.TypeNameArrayLong;
+                case BinaryUtils.TypeArrayFloat:
+                    return BinaryTypeNames.TypeNameArrayFloat;
+                case BinaryUtils.TypeArrayDouble:
+                    return BinaryTypeNames.TypeNameArrayDouble;
+                case BinaryUtils.TypeArrayDecimal:
+                    return BinaryTypeNames.TypeNameArrayDecimal;
+                case BinaryUtils.TypeArrayString:
+                    return BinaryTypeNames.TypeNameArrayString;
+                case BinaryUtils.TypeArrayGuid:
+                    return BinaryTypeNames.TypeNameArrayGuid;
+                case BinaryUtils.TypeArrayTimestamp:
+                    return BinaryTypeNames.TypeNameArrayTimestamp;
+                case BinaryUtils.TypeArrayEnum:
+                    return BinaryTypeNames.TypeNameArrayEnum;
+                case BinaryUtils.TypeArray:
+                    return BinaryTypeNames.TypeNameArrayObject;
+                case BinaryUtils.TypeCollection:
+                    return BinaryTypeNames.TypeNameCollection;
+                case BinaryUtils.TypeDictionary:
+                    return BinaryTypeNames.TypeNameMap;
+                default:
+                    throw new BinaryObjectException("Invalid type ID: " + typeId);
+            }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BinaryType" /> class.
+        /// </summary>
+        /// <param name="reader">The reader.</param>
+        public BinaryType(IBinaryRawReader reader)
+        {
+            TypeId = reader.ReadInt();
+            TypeName = reader.ReadString();
+            AffinityKeyFieldName = reader.ReadString();
+            _fields = reader.ReadDictionaryAsGeneric<string, int>();
+        }
+
+        /// <summary>
+        /// Constructor.
+        /// </summary>
+        /// <param name="typeId">Type ID.</param>
+        /// <param name="typeName">Type name.</param>
+        /// <param name="fields">Fields.</param>
+        /// <param name="affKeyFieldName">Affinity key field name.</param>
+        public BinaryType(int typeId, string typeName, IDictionary<string, int> fields,
+            string affKeyFieldName)
+        {
+            TypeId = typeId;
+            TypeName = typeName;
+            AffinityKeyFieldName = affKeyFieldName;
+            _fields = fields;
+        }
+
+        /// <summary>
+        /// Type ID.
+        /// </summary>
+        /// <returns></returns>
+        public int TypeId { get; private set; }
+
+        /// <summary>
+        /// Gets type name.
+        /// </summary>
+        public string TypeName { get; private set; }
+
+        /// <summary>
+        /// Gets field names for that type.
+        /// </summary>
+        public ICollection<string> Fields
+        {
+            get { return _fields != null ? _fields.Keys : EmptyList; }
+        }
+
+        /// <summary>
+        /// Gets field type for the given field name.
+        /// </summary>
+        /// <param name="fieldName">Field name.</param>
+        /// <returns>
+        /// Field type.
+        /// </returns>
+        public string GetFieldTypeName(string fieldName)
+        {
+            if (_fields != null)
+            {
+                int typeId;
+
+                _fields.TryGetValue(fieldName, out typeId);
+
+                return ConvertTypeName(typeId);
+            }
+            
+            return null;
+        }
+
+        /// <summary>
+        /// Gets optional affinity key field name.
+        /// </summary>
+        public string AffinityKeyFieldName { get; private set; }
+
+        /// <summary>
+        /// Gets fields map.
+        /// </summary>
+        /// <returns>Fields map.</returns>
+        public IDictionary<string, int> FieldsMap()
+        {
+            return _fields ?? EmptyDict;
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/894057e5/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryTypeHashsetHandler.cs
----------------------------------------------------------------------
diff --git a/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryTypeHashsetHandler.cs b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryTypeHashsetHandler.cs
new file mode 100644
index 0000000..af5902f
--- /dev/null
+++ b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryTypeHashsetHandler.cs
@@ -0,0 +1,69 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Apache.Ignite.Core.Impl.Binary.Metadata
+{
+    using System.Collections.Generic;
+
+    /// <summary>
+    /// Metadata handler which uses hash set to determine whether field was already written or not.
+    /// </summary>
+    internal class BinaryTypeHashsetHandler : IBinaryTypeHandler
+    {
+        /** Empty fields collection. */
+        private static readonly IDictionary<string, int> EmptyFields = new Dictionary<string, int>();
+
+        /** IDs known when serialization starts. */
+        private readonly ICollection<int> _ids;
+
+        /** New fields. */
+        private IDictionary<string, int> _fieldMap;
+
+        /** */
+        private readonly bool _newType;
+
+        /// <summary>
+        /// Constructor.
+        /// </summary>
+        /// <param name="ids">IDs.</param>
+        /// <param name="newType">True is metadata for type is not saved.</param>
+        public BinaryTypeHashsetHandler(ICollection<int> ids, bool newType)
+        {
+            _ids = ids;
+            _newType = newType;
+        }
+
+        /** <inheritdoc /> */
+        public void OnFieldWrite(int fieldId, string fieldName, int typeId)
+        {
+            if (!_ids.Contains(fieldId))
+            {
+                if (_fieldMap == null)
+                    _fieldMap = new Dictionary<string, int>();
+
+                if (!_fieldMap.ContainsKey(fieldName))
+                    _fieldMap[fieldName] = typeId;
+            }
+        }
+
+        /** <inheritdoc /> */
+        public IDictionary<string, int> OnObjectWriteFinished()
+        {
+            return _fieldMap ?? (_newType ? EmptyFields : null);
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/894057e5/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryTypeHolder.cs
----------------------------------------------------------------------
diff --git a/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryTypeHolder.cs b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryTypeHolder.cs
new file mode 100644
index 0000000..524cda9
--- /dev/null
+++ b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/BinaryTypeHolder.cs
@@ -0,0 +1,147 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Apache.Ignite.Core.Impl.Binary.Metadata
+{
+    using System;
+    using System.Collections.Generic;
+    using Apache.Ignite.Core.Binary;
+
+    /// <summary>
+    /// Metadata for particular type.
+    /// </summary>
+    internal class BinaryTypeHolder
+    {
+        /** Type ID. */
+        private readonly int _typeId;
+
+        /** Type name. */
+        private readonly string _typeName;
+
+        /** Affinity key field name. */
+        private readonly string _affKeyFieldName;
+
+        /** Empty metadata when nothig is know about object fields yet. */
+        private readonly IBinaryType _emptyMeta;
+
+        /** Collection of know field IDs. */
+        private volatile ICollection<int> _ids;
+
+        /** Last known unmodifiable metadata which is given to the user. */
+        private volatile BinaryType _meta;
+
+        /** Saved flag (set if type metadata was saved at least once). */
+        private volatile bool _saved;
+
+        /// <summary>
+        /// Constructor.
+        /// </summary>
+        /// <param name="typeId">Type ID.</param>
+        /// <param name="typeName">Type name.</param>
+        /// <param name="affKeyFieldName">Affinity key field name.</param>
+        public BinaryTypeHolder(int typeId, string typeName, string affKeyFieldName)
+        {
+            _typeId = typeId;
+            _typeName = typeName;
+            _affKeyFieldName = affKeyFieldName;
+
+            _emptyMeta = new BinaryType(typeId, typeName, null, affKeyFieldName);
+        }
+
+        /// <summary>
+        /// Get saved flag.
+        /// </summary>
+        /// <returns>True if type metadata was saved at least once.</returns>
+        public bool Saved()
+        {
+            return _saved;
+        }
+
+        /// <summary>
+        /// Get current type metadata.
+        /// </summary>
+        /// <value>Type metadata.</value>
+        public IBinaryType BinaryType
+        {
+            get { return _meta ?? _emptyMeta; }
+        }
+
+        /// <summary>
+        /// Currently cached field IDs.
+        /// </summary>
+        /// <returns>Cached field IDs.</returns>
+        public ICollection<int> FieldIds()
+        {
+            ICollection<int> ids0 = _ids;
+
+            if (_ids == null)
+            {
+                lock (this)
+                {
+                    ids0 = _ids;
+
+                    if (ids0 == null)
+                    {
+                        ids0 = new HashSet<int>();
+
+                        _ids = ids0;
+                    }
+                }
+            }
+
+            return ids0;
+        }
+
+        /// <summary>
+        /// Merge newly sent field metadatas into existing ones.
+        /// </summary>
+        /// <param name="newMap">New field metadatas map.</param>
+        public void Merge(IDictionary<int, Tuple<string, int>> newMap)
+        {
+            _saved = true;
+
+            if (newMap == null || newMap.Count == 0)
+                return;
+
+            lock (this)
+            {
+                // 1. Create copies of the old meta.
+                ICollection<int> ids0 = _ids;
+                BinaryType meta0 = _meta;
+
+                ICollection<int> newIds = ids0 != null ? new HashSet<int>(ids0) : new HashSet<int>();
+
+                IDictionary<string, int> newFields = meta0 != null ?
+                    new Dictionary<string, int>(meta0.FieldsMap()) : new Dictionary<string, int>(newMap.Count);
+
+                // 2. Add new fields.
+                foreach (KeyValuePair<int, Tuple<string, int>> newEntry in newMap)
+                {
+                    if (!newIds.Contains(newEntry.Key))
+                        newIds.Add(newEntry.Key);
+
+                    if (!newFields.ContainsKey(newEntry.Value.Item1))
+                        newFields[newEntry.Value.Item1] = newEntry.Value.Item2;
+                }
+
+                // 3. Assign new meta. Order is important here: meta must be assigned before field IDs.
+                _meta = new BinaryType(_typeId, _typeName, newFields, _affKeyFieldName);
+                _ids = newIds;
+            }
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/894057e5/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/IBinaryTypeHandler.cs
----------------------------------------------------------------------
diff --git a/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/IBinaryTypeHandler.cs b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/IBinaryTypeHandler.cs
new file mode 100644
index 0000000..848a775
--- /dev/null
+++ b/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Binary/Metadata/IBinaryTypeHandler.cs
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Apache.Ignite.Core.Impl.Binary.Metadata
+{
+    using System.Collections.Generic;
+
+    /// <summary>
+    /// Binary type metadata handler.
+    /// </summary>
+    public interface IBinaryTypeHandler
+    {
+        /// <summary>
+        /// Callback invoked when named field is written.
+        /// </summary>
+        /// <param name="fieldId">Field ID.</param>
+        /// <param name="fieldName">Field name.</param>
+        /// <param name="typeId">Field type ID.</param>
+        void OnFieldWrite(int fieldId, string fieldName, int typeId);
+
+        /// <summary>
+        /// Callback invoked when object write is finished and it is time to collect missing metadata.
+        /// </summary>
+        /// <returns>Collected metadata.</returns>
+        IDictionary<string, int> OnObjectWriteFinished();
+    }
+}


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