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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DocFieldConsumersPerThread.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 DocFieldConsumerPerThread one;
27  internal DocFieldConsumerPerThread two;
28  internal DocFieldConsumers parent;
29  internal DocumentsWriter.DocState docState;
30 
32  {
33  this.parent = parent;
34  this.one = one;
35  this.two = two;
36  docState = docFieldProcessorPerThread.docState;
37  }
38 
39  public override void StartDocument()
40  {
41  one.StartDocument();
42  two.StartDocument();
43  }
44 
45  public override void Abort()
46  {
47  try
48  {
49  one.Abort();
50  }
51  finally
52  {
53  two.Abort();
54  }
55  }
56 
57  public override DocumentsWriter.DocWriter FinishDocument()
58  {
59  DocumentsWriter.DocWriter oneDoc = one.FinishDocument();
60  DocumentsWriter.DocWriter twoDoc = two.FinishDocument();
61  if (oneDoc == null)
62  return twoDoc;
63  else if (twoDoc == null)
64  return oneDoc;
65  else
66  {
67  DocFieldConsumers.PerDoc both = parent.GetPerDoc();
68  both.docID = docState.docID;
69  System.Diagnostics.Debug.Assert(oneDoc.docID == docState.docID);
70  System.Diagnostics.Debug.Assert(twoDoc.docID == docState.docID);
71  both.one = oneDoc;
72  both.two = twoDoc;
73  return both;
74  }
75  }
76 
77  public override DocFieldConsumerPerField AddField(FieldInfo fi)
78  {
79  return new DocFieldConsumersPerField(this, one.AddField(fi), two.AddField(fi));
80  }
81  }
82 }