Lucene.Net  3.0.3
Lucene.Net is a port of the Lucene search engine library, written in C# and targeted at .NET runtime users.
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ReadOnlySegmentReader.cs
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1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
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14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 using System;
19 
20 namespace Lucene.Net.Index
21 {
22 
24  {
25 
26  internal static void NoWrite()
27  {
28  throw new System.NotSupportedException("This IndexReader cannot make any changes to the index (it was opened with readOnly = true)");
29  }
30 
31  protected internal override void AcquireWriteLock()
32  {
33  NoWrite();
34  }
35 
36  // Not synchronized
37  public override bool IsDeleted(int n)
38  {
39  return deletedDocs != null && deletedDocs.Get(n);
40  }
41  }
42 }