pylucene 3.5.0-3
[pylucene.git] / lucene-java-3.5.0 / lucene / src / java / org / apache / lucene / index / DocumentsWriterThreadState.java
diff --git a/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/DocumentsWriterThreadState.java b/lucene-java-3.5.0/lucene/src/java/org/apache/lucene/index/DocumentsWriterThreadState.java
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+package org.apache.lucene.index;
+
+/**
+ * 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.
+ */
+
+import java.io.IOException;
+
+/** Used by DocumentsWriter to maintain per-thread state.
+ *  We keep a separate Posting hash and other state for each
+ *  thread and then merge postings hashes from all threads
+ *  when writing the segment. */
+final class DocumentsWriterThreadState {
+
+  boolean isIdle = true;                          // false if this is currently in use by a thread
+  int numThreads = 1;                             // Number of threads that share this instance
+  final DocConsumerPerThread consumer;
+  final DocumentsWriter.DocState docState;
+
+  final DocumentsWriter docWriter;
+
+  public DocumentsWriterThreadState(DocumentsWriter docWriter) throws IOException {
+    this.docWriter = docWriter;
+    docState = new DocumentsWriter.DocState();
+    docState.maxFieldLength = docWriter.maxFieldLength;
+    docState.infoStream = docWriter.infoStream;
+    docState.similarity = docWriter.similarity;
+    docState.docWriter = docWriter;
+    consumer = docWriter.consumer.addThread(this);
+  }
+
+  void doAfterFlush() {
+    numThreads = 0;
+  }
+}