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From synhers...@apache.org
Subject [3/6] lucenenet git commit: use UnmodifiedList as a reference to children array
Date Sun, 11 Jan 2015 00:33:16 GMT
use UnmodifiedList as a reference to children array


Project: http://git-wip-us.apache.org/repos/asf/lucenenet/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucenenet/commit/da67eb06
Tree: http://git-wip-us.apache.org/repos/asf/lucenenet/tree/da67eb06
Diff: http://git-wip-us.apache.org/repos/asf/lucenenet/diff/da67eb06

Branch: refs/heads/master
Commit: da67eb0638e35a210c032f8ab6bc56702e227d36
Parents: 08fd199
Author: Laimonas Simutis <laimis@gmail.com>
Authored: Sat Jan 10 07:48:57 2015 -0500
Committer: Laimonas Simutis <laimis@gmail.com>
Committed: Sat Jan 10 07:48:57 2015 -0500

----------------------------------------------------------------------
 .../Index/CompositeReaderContext.cs             |  2 +-
 src/Lucene.Net.Core/Lucene.Net.csproj           |  1 +
 src/Lucene.Net.Core/Support/UnmodifiableList.cs | 82 ++++++++++++++++++++
 3 files changed, 84 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lucenenet/blob/da67eb06/src/Lucene.Net.Core/Index/CompositeReaderContext.cs
----------------------------------------------------------------------
diff --git a/src/Lucene.Net.Core/Index/CompositeReaderContext.cs b/src/Lucene.Net.Core/Index/CompositeReaderContext.cs
index b507aad..b200077 100644
--- a/src/Lucene.Net.Core/Index/CompositeReaderContext.cs
+++ b/src/Lucene.Net.Core/Index/CompositeReaderContext.cs
@@ -56,7 +56,7 @@ namespace Lucene.Net.Index
         private CompositeReaderContext(CompositeReaderContext parent, CompositeReader reader,
int ordInParent, int docbaseInParent, IList<IndexReaderContext> children, IList<AtomicReaderContext>
leaves)
             : base(parent, ordInParent, docbaseInParent)
         {
-            this.children = children.ToArray();
+            this.children = new UnmodifiableList<IndexReaderContext>(children);
             this.leaves = leaves;
             this.reader = reader;
         }

http://git-wip-us.apache.org/repos/asf/lucenenet/blob/da67eb06/src/Lucene.Net.Core/Lucene.Net.csproj
----------------------------------------------------------------------
diff --git a/src/Lucene.Net.Core/Lucene.Net.csproj b/src/Lucene.Net.Core/Lucene.Net.csproj
index fec1b4f..5454521 100644
--- a/src/Lucene.Net.Core/Lucene.Net.csproj
+++ b/src/Lucene.Net.Core/Lucene.Net.csproj
@@ -675,6 +675,7 @@
     <Compile Include="Support\TextSupport.cs" />
     <Compile Include="Support\ThreadClass.cs" />
     <Compile Include="Support\ThreadLock.cs" />
+    <Compile Include="Support\UnmodifiableList.cs" />
     <Compile Include="Support\WeakDictionary.cs" />
     <Compile Include="Util\Accountable.cs" />
     <Compile Include="Util\ArrayInPlaceMergeSorter.cs" />

http://git-wip-us.apache.org/repos/asf/lucenenet/blob/da67eb06/src/Lucene.Net.Core/Support/UnmodifiableList.cs
----------------------------------------------------------------------
diff --git a/src/Lucene.Net.Core/Support/UnmodifiableList.cs b/src/Lucene.Net.Core/Support/UnmodifiableList.cs
new file mode 100644
index 0000000..44138f1
--- /dev/null
+++ b/src/Lucene.Net.Core/Support/UnmodifiableList.cs
@@ -0,0 +1,82 @@
+´╗┐using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace Lucene.Net.Support
+{
+    internal class UnmodifiableList<TValue> : IList<TValue>
+    {
+        private IList<TValue> _list;
+
+        public UnmodifiableList(IList<TValue> list)
+        {
+            _list = list;
+        }
+
+        public IEnumerator<TValue> GetEnumerator()
+        {
+            return _list.GetEnumerator();
+        }
+
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return GetEnumerator();
+        }
+
+        public void Add(TValue item)
+        {
+            throw new InvalidOperationException("Unable to modify this list.");
+        }
+
+        public void Clear()
+        {
+            throw new InvalidOperationException("Unable to modify this list.");
+        }
+
+        public bool Contains(TValue item)
+        {
+            return _list.Contains(item);
+        }
+
+        public void CopyTo(TValue[] array, int arrayIndex)
+        {
+            _list.CopyTo(array, arrayIndex);
+        }
+
+        public bool Remove(TValue item)
+        {
+            throw new InvalidOperationException("Unable to modify this list.");
+        }
+
+        public int Count
+        {
+            get { return _list.Count; }
+        }
+
+        public bool IsReadOnly
+        {
+            get { return true; }
+        }
+
+        public int IndexOf(TValue item)
+        {
+            return _list.IndexOf(item);
+        }
+
+        public void Insert(int index, TValue item)
+        {
+            throw new InvalidOperationException("Unable to modify this list.");
+        }
+
+        public void RemoveAt(int index)
+        {
+            throw new InvalidOperationException("Unable to modify this list.");
+        }
+
+        public TValue this[int index]
+        {
+            get { return _list[index]; }
+            set { throw new InvalidOperationException("Unable to modify this list."); }
+        }
+    }
+}
\ No newline at end of file


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