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From dimaspi...@apache.org
Subject [24/52] [partial] hbase-site git commit: Published site at 63808a224c8689d07e55f90efd25f9597b0d04dd.
Date Thu, 29 Sep 2016 20:09:54 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/044b3379/apidocs/src-html/org/apache/hadoop/hbase/exceptions/ScannerResetException.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/exceptions/ScannerResetException.html b/apidocs/src-html/org/apache/hadoop/hbase/exceptions/ScannerResetException.html
new file mode 100644
index 0000000..04cc6bc
--- /dev/null
+++ b/apidocs/src-html/org/apache/hadoop/hbase/exceptions/ScannerResetException.html
@@ -0,0 +1,122 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements.  See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership.  The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License.  You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.exceptions;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.23"></a>
+<span class="sourceLineNo">024</span><a name="line.24"></a>
+<span class="sourceLineNo">025</span>/**<a name="line.25"></a>
+<span class="sourceLineNo">026</span> * Thrown when the server side has received an Exception, and asks the Client to reset the scanner<a name="line.26"></a>
+<span class="sourceLineNo">027</span> * state by closing the current region scanner, and reopening from the start of last seen row.<a name="line.27"></a>
+<span class="sourceLineNo">028</span> */<a name="line.28"></a>
+<span class="sourceLineNo">029</span>@InterfaceAudience.Public<a name="line.29"></a>
+<span class="sourceLineNo">030</span>@InterfaceStability.Stable<a name="line.30"></a>
+<span class="sourceLineNo">031</span>public class ScannerResetException extends DoNotRetryIOException {<a name="line.31"></a>
+<span class="sourceLineNo">032</span>  private static final long serialVersionUID = -5649728171144849619L;<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>  /** constructor */<a name="line.34"></a>
+<span class="sourceLineNo">035</span>  public ScannerResetException() {<a name="line.35"></a>
+<span class="sourceLineNo">036</span>    super();<a name="line.36"></a>
+<span class="sourceLineNo">037</span>  }<a name="line.37"></a>
+<span class="sourceLineNo">038</span><a name="line.38"></a>
+<span class="sourceLineNo">039</span>  /**<a name="line.39"></a>
+<span class="sourceLineNo">040</span>   * Constructor<a name="line.40"></a>
+<span class="sourceLineNo">041</span>   * @param s message<a name="line.41"></a>
+<span class="sourceLineNo">042</span>   */<a name="line.42"></a>
+<span class="sourceLineNo">043</span>  public ScannerResetException(String s) {<a name="line.43"></a>
+<span class="sourceLineNo">044</span>    super(s);<a name="line.44"></a>
+<span class="sourceLineNo">045</span>  }<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span>  public ScannerResetException(String s, Exception e) {<a name="line.47"></a>
+<span class="sourceLineNo">048</span>    super(s, e);<a name="line.48"></a>
+<span class="sourceLineNo">049</span>  }<a name="line.49"></a>
+<span class="sourceLineNo">050</span>}<a name="line.50"></a>
+
+
+
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+
+
+</pre>
+</div>
+</body>
+</html>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/044b3379/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html
index 5d13aba..d416cfa 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html
@@ -33,7 +33,7 @@
 <span class="sourceLineNo">025</span><a name="line.25"></a>
 <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.Cell;<a name="line.26"></a>
 <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.28"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.28"></a>
 <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.29"></a>
 <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.30"></a>
 <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.31"></a>
@@ -183,7 +183,7 @@
 <span class="sourceLineNo">175</span>      return null;<a name="line.175"></a>
 <span class="sourceLineNo">176</span>    }<a name="line.176"></a>
 <span class="sourceLineNo">177</span>    byte[] nextRowKey = tracker.nextRow();<a name="line.177"></a>
-<span class="sourceLineNo">178</span>    return KeyValueUtil.createFirstOnRow(nextRowKey);<a name="line.178"></a>
+<span class="sourceLineNo">178</span>    return CellUtil.createFirstOnRow(nextRowKey, 0, (short) nextRowKey.length);<a name="line.178"></a>
 <span class="sourceLineNo">179</span>  }<a name="line.179"></a>
 <span class="sourceLineNo">180</span><a name="line.180"></a>
 <span class="sourceLineNo">181</span>  /**<a name="line.181"></a>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/044b3379/apidocs/src-html/org/apache/hadoop/hbase/filter/KeyOnlyFilter.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/KeyOnlyFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/KeyOnlyFilter.html
index 5dfe4d3..24a0d22 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/filter/KeyOnlyFilter.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/KeyOnlyFilter.html
@@ -28,117 +28,381 @@
 <span class="sourceLineNo">020</span><a name="line.20"></a>
 <span class="sourceLineNo">021</span><a name="line.21"></a>
 <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a>
-<span class="sourceLineNo">024</span><a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.Cell;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.protobuf.generated.FilterProtos;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.32"></a>
-<span class="sourceLineNo">033</span><a name="line.33"></a>
-<span class="sourceLineNo">034</span>import com.google.common.base.Preconditions;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import com.google.protobuf.InvalidProtocolBufferException;<a name="line.35"></a>
-<span class="sourceLineNo">036</span><a name="line.36"></a>
-<span class="sourceLineNo">037</span>/**<a name="line.37"></a>
-<span class="sourceLineNo">038</span> * A filter that will only return the key component of each KV (the value will<a name="line.38"></a>
-<span class="sourceLineNo">039</span> * be rewritten as empty).<a name="line.39"></a>
-<span class="sourceLineNo">040</span> * &lt;p&gt;<a name="line.40"></a>
-<span class="sourceLineNo">041</span> * This filter can be used to grab all of the keys without having to also grab<a name="line.41"></a>
-<span class="sourceLineNo">042</span> * the values.<a name="line.42"></a>
-<span class="sourceLineNo">043</span> */<a name="line.43"></a>
-<span class="sourceLineNo">044</span>@InterfaceAudience.Public<a name="line.44"></a>
-<span class="sourceLineNo">045</span>@InterfaceStability.Stable<a name="line.45"></a>
-<span class="sourceLineNo">046</span>public class KeyOnlyFilter extends FilterBase {<a name="line.46"></a>
-<span class="sourceLineNo">047</span><a name="line.47"></a>
-<span class="sourceLineNo">048</span>  boolean lenAsVal;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>  public KeyOnlyFilter() { this(false); }<a name="line.49"></a>
-<span class="sourceLineNo">050</span>  public KeyOnlyFilter(boolean lenAsVal) { this.lenAsVal = lenAsVal; }<a name="line.50"></a>
-<span class="sourceLineNo">051</span><a name="line.51"></a>
-<span class="sourceLineNo">052</span>  @Override<a name="line.52"></a>
-<span class="sourceLineNo">053</span>  public boolean filterRowKey(Cell cell) throws IOException {<a name="line.53"></a>
-<span class="sourceLineNo">054</span>    // Impl in FilterBase might do unnecessary copy for Off heap backed Cells.<a name="line.54"></a>
-<span class="sourceLineNo">055</span>    return false;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>  }<a name="line.56"></a>
-<span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span>  @Override<a name="line.58"></a>
-<span class="sourceLineNo">059</span>  public Cell transformCell(Cell cell) {<a name="line.59"></a>
-<span class="sourceLineNo">060</span>    return createKeyOnlyCell(cell);<a name="line.60"></a>
-<span class="sourceLineNo">061</span>  }<a name="line.61"></a>
-<span class="sourceLineNo">062</span><a name="line.62"></a>
-<span class="sourceLineNo">063</span>  private Cell createKeyOnlyCell(Cell c) {<a name="line.63"></a>
-<span class="sourceLineNo">064</span>    // KV format: &lt;keylen:4&gt;&lt;valuelen:4&gt;&lt;key:keylen&gt;&lt;value:valuelen&gt;<a name="line.64"></a>
-<span class="sourceLineNo">065</span>    // Rebuild as: &lt;keylen:4&gt;&lt;0:4&gt;&lt;key:keylen&gt;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>    int dataLen = lenAsVal ? Bytes.SIZEOF_INT : 0;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>    int keyOffset = (2 * Bytes.SIZEOF_INT);<a name="line.67"></a>
-<span class="sourceLineNo">068</span>    int keyLen = KeyValueUtil.keyLength(c);<a name="line.68"></a>
-<span class="sourceLineNo">069</span>    byte[] newBuffer = new byte[keyLen + keyOffset + dataLen];<a name="line.69"></a>
-<span class="sourceLineNo">070</span>    Bytes.putInt(newBuffer, 0, keyLen);<a name="line.70"></a>
-<span class="sourceLineNo">071</span>    Bytes.putInt(newBuffer, Bytes.SIZEOF_INT, dataLen);<a name="line.71"></a>
-<span class="sourceLineNo">072</span>    KeyValueUtil.appendKeyTo(c, newBuffer, keyOffset);<a name="line.72"></a>
-<span class="sourceLineNo">073</span>    if (lenAsVal) {<a name="line.73"></a>
-<span class="sourceLineNo">074</span>      Bytes.putInt(newBuffer, newBuffer.length - dataLen, c.getValueLength());<a name="line.74"></a>
-<span class="sourceLineNo">075</span>    }<a name="line.75"></a>
-<span class="sourceLineNo">076</span>    return new KeyValue(newBuffer);<a name="line.76"></a>
-<span class="sourceLineNo">077</span>  }<a name="line.77"></a>
-<span class="sourceLineNo">078</span><a name="line.78"></a>
-<span class="sourceLineNo">079</span>  @Override<a name="line.79"></a>
-<span class="sourceLineNo">080</span>  public ReturnCode filterKeyValue(Cell ignored) throws IOException {<a name="line.80"></a>
-<span class="sourceLineNo">081</span>    return ReturnCode.INCLUDE;<a name="line.81"></a>
-<span class="sourceLineNo">082</span>  }<a name="line.82"></a>
-<span class="sourceLineNo">083</span>  <a name="line.83"></a>
-<span class="sourceLineNo">084</span>  public static Filter createFilterFromArguments(ArrayList&lt;byte []&gt; filterArguments) {<a name="line.84"></a>
-<span class="sourceLineNo">085</span>    Preconditions.checkArgument((filterArguments.size() == 0 || filterArguments.size() == 1),<a name="line.85"></a>
-<span class="sourceLineNo">086</span>                                "Expected: 0 or 1 but got: %s", filterArguments.size());<a name="line.86"></a>
-<span class="sourceLineNo">087</span>    KeyOnlyFilter filter = new KeyOnlyFilter();<a name="line.87"></a>
-<span class="sourceLineNo">088</span>    if (filterArguments.size() == 1) {<a name="line.88"></a>
-<span class="sourceLineNo">089</span>      filter.lenAsVal = ParseFilter.convertByteArrayToBoolean(filterArguments.get(0));<a name="line.89"></a>
-<span class="sourceLineNo">090</span>    }<a name="line.90"></a>
-<span class="sourceLineNo">091</span>    return filter;<a name="line.91"></a>
-<span class="sourceLineNo">092</span>  }<a name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span>  /**<a name="line.94"></a>
-<span class="sourceLineNo">095</span>   * @return The filter serialized using pb<a name="line.95"></a>
-<span class="sourceLineNo">096</span>   */<a name="line.96"></a>
-<span class="sourceLineNo">097</span>  public byte [] toByteArray() {<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    FilterProtos.KeyOnlyFilter.Builder builder =<a name="line.98"></a>
-<span class="sourceLineNo">099</span>      FilterProtos.KeyOnlyFilter.newBuilder();<a name="line.99"></a>
-<span class="sourceLineNo">100</span>    builder.setLenAsVal(this.lenAsVal);<a name="line.100"></a>
-<span class="sourceLineNo">101</span>    return builder.build().toByteArray();<a name="line.101"></a>
-<span class="sourceLineNo">102</span>  }<a name="line.102"></a>
-<span class="sourceLineNo">103</span><a name="line.103"></a>
-<span class="sourceLineNo">104</span>  /**<a name="line.104"></a>
-<span class="sourceLineNo">105</span>   * @param pbBytes A pb serialized {@link KeyOnlyFilter} instance<a name="line.105"></a>
-<span class="sourceLineNo">106</span>   * @return An instance of {@link KeyOnlyFilter} made from &lt;code&gt;bytes&lt;/code&gt;<a name="line.106"></a>
-<span class="sourceLineNo">107</span>   * @throws DeserializationException<a name="line.107"></a>
-<span class="sourceLineNo">108</span>   * @see #toByteArray<a name="line.108"></a>
-<span class="sourceLineNo">109</span>   */<a name="line.109"></a>
-<span class="sourceLineNo">110</span>  public static KeyOnlyFilter parseFrom(final byte [] pbBytes)<a name="line.110"></a>
-<span class="sourceLineNo">111</span>  throws DeserializationException {<a name="line.111"></a>
-<span class="sourceLineNo">112</span>    FilterProtos.KeyOnlyFilter proto;<a name="line.112"></a>
-<span class="sourceLineNo">113</span>    try {<a name="line.113"></a>
-<span class="sourceLineNo">114</span>      proto = FilterProtos.KeyOnlyFilter.parseFrom(pbBytes);<a name="line.114"></a>
-<span class="sourceLineNo">115</span>    } catch (InvalidProtocolBufferException e) {<a name="line.115"></a>
-<span class="sourceLineNo">116</span>      throw new DeserializationException(e);<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    }<a name="line.117"></a>
-<span class="sourceLineNo">118</span>    return new KeyOnlyFilter(proto.getLenAsVal());<a name="line.118"></a>
-<span class="sourceLineNo">119</span>  }<a name="line.119"></a>
-<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span>  /**<a name="line.121"></a>
-<span class="sourceLineNo">122</span>   * @param other<a name="line.122"></a>
-<span class="sourceLineNo">123</span>   * @return true if and only if the fields of the filter that are serialized<a name="line.123"></a>
-<span class="sourceLineNo">124</span>   * are equal to the corresponding fields in other.  Used for testing.<a name="line.124"></a>
-<span class="sourceLineNo">125</span>   */<a name="line.125"></a>
-<span class="sourceLineNo">126</span>  boolean areSerializedFieldsEqual(Filter o) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span>    if (o == this) return true;<a name="line.127"></a>
-<span class="sourceLineNo">128</span>    if (!(o instanceof KeyOnlyFilter)) return false;<a name="line.128"></a>
-<span class="sourceLineNo">129</span><a name="line.129"></a>
-<span class="sourceLineNo">130</span>    KeyOnlyFilter other = (KeyOnlyFilter)o;<a name="line.130"></a>
-<span class="sourceLineNo">131</span>    return this.lenAsVal == other.lenAsVal;<a name="line.131"></a>
-<span class="sourceLineNo">132</span>  }<a name="line.132"></a>
-<span class="sourceLineNo">133</span>}<a name="line.133"></a>
+<span class="sourceLineNo">023</span>import java.nio.ByteBuffer;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.ArrayList;<a name="line.24"></a>
+<span class="sourceLineNo">025</span><a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.ByteBufferedCell;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.Cell;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HConstants;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.protobuf.generated.FilterProtos;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.33"></a>
+<span class="sourceLineNo">034</span><a name="line.34"></a>
+<span class="sourceLineNo">035</span>import com.google.common.base.Preconditions;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import com.google.protobuf.InvalidProtocolBufferException;<a name="line.36"></a>
+<span class="sourceLineNo">037</span><a name="line.37"></a>
+<span class="sourceLineNo">038</span>/**<a name="line.38"></a>
+<span class="sourceLineNo">039</span> * A filter that will only return the key component of each KV (the value will<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * be rewritten as empty).<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * &lt;p&gt;<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * This filter can be used to grab all of the keys without having to also grab<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * the values.<a name="line.43"></a>
+<span class="sourceLineNo">044</span> */<a name="line.44"></a>
+<span class="sourceLineNo">045</span>@InterfaceAudience.Public<a name="line.45"></a>
+<span class="sourceLineNo">046</span>@InterfaceStability.Stable<a name="line.46"></a>
+<span class="sourceLineNo">047</span>public class KeyOnlyFilter extends FilterBase {<a name="line.47"></a>
+<span class="sourceLineNo">048</span><a name="line.48"></a>
+<span class="sourceLineNo">049</span>  boolean lenAsVal;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>  public KeyOnlyFilter() { this(false); }<a name="line.50"></a>
+<span class="sourceLineNo">051</span>  public KeyOnlyFilter(boolean lenAsVal) { this.lenAsVal = lenAsVal; }<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span>  @Override<a name="line.53"></a>
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/044b3379/apidocs/src-html/org/apache/hadoop/hbase/filter/LongComparator.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/LongComparator.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/LongComparator.html
index bb5dd79..55d8c19 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/filter/LongComparator.html
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@@ -28,14 +28,14 @@
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/044b3379/apidocs/src-html/org/apache/hadoop/hbase/filter/MultiRowRangeFilter.RowRange.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/MultiRowRangeFilter.RowRange.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/MultiRowRangeFilter.RowRange.html
index 480107e..070e398 100644
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+++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/MultiRowRangeFilter.RowRange.html
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-<span class="sourceLineNo">126</span>      }<a name="line.126"></a>
-<span class="sourceLineNo">127</span>    } else {<a name="line.127"></a>
-<span class="sourceLineNo">128</span>      currentReturnCode = ReturnCode.INCLUDE;<a name="line.128"></a>
-<span class="sourceLineNo">129</span>    }<a name="line.129"></a>
-<span class="sourceLineNo">130</span>    return false;<a name="line.130"></a>
-<span class="sourceLineNo">131</span>  }<a name="line.131"></a>
-<span class="sourceLineNo">132</span><a name="line.132"></a>
-<span class="sourceLineNo">133</span>  @Override<a name="line.133"></a>
-<span class="sourceLineNo">134</span>  public ReturnCode filterKeyValue(Cell ignored) {<a name="line.134"></a>
-<span class="sourceLineNo">135</span>    return currentReturnCode;<a name="line.135"></a>
-<span class="sourceLineNo">136</span>  }<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span>  @Override<a name="line.138"></a>
-<span class="sourceLineNo">139</span>  public Cell getNextCellHint(Cell currentKV) {<a name="line.139"></a>
-<span class="sourceLineNo">140</span>    // skip to the next range's start row<a name="line.140"></a>
-<span class="sourceLineNo">141</span>    return KeyValueUtil.createFirstOnRow(range.startRow);<a name="line.141"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.protobuf.generated.FilterProtos;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.util.ByteStringer;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.33"></a>
+<span class="sourceLineNo">034</span><a name="line.34"></a>
+<span class="sourceLineNo">035</span>import com.google.protobuf.InvalidProtocolBufferException;<a name="line.35"></a>
+<span class="sourceLineNo">036</span><a name="line.36"></a>
+<span class="sourceLineNo">037</span>/**<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * Filter to support scan multiple row key ranges. It can construct the row key ranges from the<a name="line.38"></a>
+<span class="sourceLineNo">039</span> * passed list which can be accessed by each region server.<a name="line.39"></a>
+<span class="sourceLineNo">040</span> *<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * HBase is quite efficient when scanning only one small row key range. If user needs to specify<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * multiple row key ranges in one scan, the typical solutions are: 1. through FilterList which is a<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * list of row key Filters, 2. using the SQL layer over HBase to join with two table, such as hive,<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * phoenix etc. However, both solutions are inefficient. Both of them can't utilize the range info<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * to perform fast forwarding during scan which is quite time consuming. If the number of ranges<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * are quite big (e.g. millions), join is a proper solution though it is slow. However, there are<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * cases that user wants to specify a small number of ranges to scan (e.g. &amp;lt;1000 ranges). Both<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * solutions can't provide satisfactory performance in such case. MultiRowRangeFilter is to support<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * such usec ase (scan multiple row key ranges), which can construct the row key ranges from user<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * specified list and perform fast-forwarding during scan. Thus, the scan will be quite efficient.<a name="line.50"></a>
+<span class="sourceLineNo">051</span> */<a name="line.51"></a>
+<span class="sourceLineNo">052</span>@InterfaceAudience.Public<a name="line.52"></a>
+<span class="sourceLineNo">053</span>@InterfaceStability.Evolving<a name="line.53"></a>
+<span class="sourceLineNo">054</span>public class MultiRowRangeFilter extends FilterBase {<a name="line.54"></a>
+<span class="sourceLineNo">055</span><a name="line.55"></a>
+<span class="sourceLineNo">056</span>  private List&lt;RowRange&gt; rangeList;<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>  private static final int ROW_BEFORE_FIRST_RANGE = -1;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>  private boolean EXCLUSIVE = false;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>  private boolean done = false;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>  private boolean initialized = false;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>  private int index;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>  private RowRange range;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>  private ReturnCode currentReturnCode;<a name="line.64"></a>
+<span class="sourceLineNo">065</span><a name="line.65"></a>
+<span class="sourceLineNo">066</span>  /**<a name="line.66"></a>
+<span class="sourceLineNo">067</span>   * @param list A list of &lt;code&gt;RowRange&lt;/code&gt;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>   * @throws java.io.IOException<a name="line.68"></a>
+<span class="sourceLineNo">069</span>   *           throw an exception if the range list is not in an natural order or any<a name="line.69"></a>
+<span class="sourceLineNo">070</span>   *           &lt;code&gt;RowRange&lt;/code&gt; is invalid<a name="line.70"></a>
+<span class="sourceLineNo">071</span>   */<a name="line.71"></a>
+<span class="sourceLineNo">072</span>  public MultiRowRangeFilter(List&lt;RowRange&gt; list) throws IOException {<a name="line.72"></a>
+<span class="sourceLineNo">073</span>    this.rangeList = sortAndMerge(list);<a name="line.73"></a>
+<span class="sourceLineNo">074</span>  }<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span>  @Override<a name="line.76"></a>
+<span class="sourceLineNo">077</span>  public boolean filterAllRemaining() {<a name="line.77"></a>
+<span class="sourceLineNo">078</span>    return done;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>  }<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span>  public List&lt;RowRange&gt; getRowRanges() {<a name="line.81"></a>
+<span class="sourceLineNo">082</span>    return this.rangeList;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>  }<a name="line.83"></a>
+<span class="sourceLineNo">084</span><a name="line.84"></a>
+<span class="sourceLineNo">085</span>  @Override<a name="line.85"></a>
+<span class="sourceLineNo">086</span>  public boolean filterRowKey(Cell firstRowCell) {<a name="line.86"></a>
+<span class="sourceLineNo">087</span>    if (filterAllRemaining()) return true;<a name="line.87"></a>
+<span class="sourceLineNo">088</span>    // If it is the first time of running, calculate the current range index for<a name="line.88"></a>
+<span class="sourceLineNo">089</span>    // the row key. If index is out of bound which happens when the start row<a name="line.89"></a>
+<span class="sourceLineNo">090</span>    // user sets is after the largest stop row of the ranges, stop the scan.<a name="line.90"></a>
+<span class="sourceLineNo">091</span>    // If row key is after the current range, find the next range and update index.<a name="line.91"></a>
+<span class="sourceLineNo">092</span>    byte[] rowArr = firstRowCell.getRowArray();<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    int length = firstRowCell.getRowLength();<a name="line.93"></a>
+<span class="sourceLineNo">094</span>    int offset = firstRowCell.getRowOffset();<a name="line.94"></a>
+<span class="sourceLineNo">095</span>    if (!initialized<a name="line.95"></a>
+<span class="sourceLineNo">096</span>        || !range.contains(rowArr, offset, length)) {<a name="line.96"></a>
+<span class="sourceLineNo">097</span>      byte[] rowkey = CellUtil.cloneRow(firstRowCell);<a name="line.97"></a>
+<span class="sourceLineNo">098</span>      index = getNextRangeIndex(rowkey);<a name="line.98"></a>
+<span class="sourceLineNo">099</span>      if (index &gt;= rangeList.size()) {<a name="line.99"></a>
+<span class="sourceLineNo">100</span>        done = true;<a name="line.100"></a>
+<span class="sourceLineNo">101</span>        currentReturnCode = ReturnCode.NEXT_ROW;<a name="line.101"></a>
+<span class="sourceLineNo">102</span>        return false;<a name="line.102"></a>
+<span class="sourceLineNo">103</span>      }<a name="line.103"></a>
+<span class="sourceLineNo">104</span>      if(index != ROW_BEFORE_FIRST_RANGE) {<a name="line.104"></a>
+<span class="sourceLineNo">105</span>        range = rangeList.get(index);<a name="line.105"></a>
+<span class="sourceLineNo">106</span>      } else {<a name="line.106"></a>
+<span class="sourceLineNo">107</span>        range = rangeList.get(0);<a name="line.107"></a>
+<span class="sourceLineNo">108</span>      }<a name="line.108"></a>
+<span class="sourceLineNo">109</span>      if (EXCLUSIVE) {<a name="line.109"></a>
+<span class="sourceLineNo">110</span>        EXCLUSIVE = false;<a name="line.110"></a>
+<span class="sourceLineNo">111</span>        currentReturnCode = ReturnCode.NEXT_ROW;<a name="line.111"></a>
+<span class="sourceLineNo">112</span>        return false;<a name="line.112"></a>
+<span class="sourceLineNo">113</span>      }<a name="line.113"></a>
+<span class="sourceLineNo">114</span>      if (!initialized) {<a name="line.114"></a>
+<span class="sourceLineNo">115</span>        if(index != ROW_BEFORE_FIRST_RANGE) {<a name="line.115"></a>
+<span class="sourceLineNo">116</span>          currentReturnCode = ReturnCode.INCLUDE;<a name="line.116"></a>
+<span class="sourceLineNo">117</span>        } else {<a name="line.117"></a>
+<span class="sourceLineNo">118</span>          currentReturnCode = ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.118"></a>
+<span class="sourceLineNo">119</span>        }<a name="line.119"></a>
+<span class="sourceLineNo">120</span>        initialized = true;<a name="line.120"></a>
+<span class="sourceLineNo">121</span>      } else {<a name="line.121"></a>
+<span class="sourceLineNo">122</span>        if (range.contains(rowArr, offset, length)) {<a name="line.122"></a>
+<span class="sourceLineNo">123</span>          currentReturnCode = ReturnCode.INCLUDE;<a name="line.123"></a>
+<span class="sourceLineNo">124</span>        } else currentReturnCode = ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.124"></a>
+<span class="sourceLineNo">125</span>      }<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    } else {<a name="line.126"></a>
+<span class="sourceLineNo">127</span>      currentReturnCode = ReturnCode.INCLUDE;<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    }<a name="line.128"></a>
+<span class="sourceLineNo">129</span>    return false;<a name="line.129"></a>
+<span class="sourceLineNo">130</span>  }<a name="line.130"></a>
+<span class="sourceLineNo">131</span><a name="line.131"></a>
+<span class="sourceLineNo">132</span>  @Override<a name="line.132"></a>
+<span class="sourceLineNo">133</span>  public ReturnCode filterKeyValue(Cell ignored) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span>    return currentReturnCode;<a name="line.134"></a>
+<span class="sourceLineNo">135</span>  }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span>  @Override<a name="line.137"></a>
+<span class="sourceLineNo">138</span>  public Cell getNextCellHint(Cell currentKV) {<a name="line.138"></a>
+<span class="sourceLineNo">139</span>    // skip to the next range's start row<a name="line.139"></a>
+<span class="sourceLineNo">140</span>    return CellUtil.createFirstOnRow(range.startRow, 0,<a name="line.140"></a>
+<span class="sourceLineNo">141</span>        (short) range.startRow.length);<a name="line.141"></a>
 <span class="sourceLineNo">142</span>  }<a name="line.142"></a>
 <span class="sourceLineNo">143</span><a name="line.143"></a>
 <span class="sourceLineNo">144</span>  /**<a name="line.144"></a>


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