1 package org.apache.lucene.index;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
20 import java.io.IOException;
22 /** Used by DocumentsWriter to maintain per-thread state.
23 * We keep a separate Posting hash and other state for each
24 * thread and then merge postings hashes from all threads
25 * when writing the segment. */
26 final class DocumentsWriterThreadState {
28 boolean isIdle = true; // false if this is currently in use by a thread
29 int numThreads = 1; // Number of threads that share this instance
30 final DocConsumerPerThread consumer;
31 final DocumentsWriter.DocState docState;
33 final DocumentsWriter docWriter;
35 public DocumentsWriterThreadState(DocumentsWriter docWriter) throws IOException {
36 this.docWriter = docWriter;
37 docState = new DocumentsWriter.DocState();
38 docState.maxFieldLength = docWriter.maxFieldLength;
39 docState.infoStream = docWriter.infoStream;
40 docState.similarity = docWriter.similarity;
41 docState.docWriter = docWriter;
42 consumer = docWriter.consumer.addThread(this);