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
boolean doFlushAfter; // true if we should flush after processing current doc
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;
doFlushAfter = false;
}
}