package org.apache.lucene.codecs.lucene40;
/*
* 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;
import org.apache.lucene.codecs.BlockTreeTermsWriter;
import org.apache.lucene.codecs.FieldsConsumer;
import org.apache.lucene.codecs.PostingsWriterBase;
import org.apache.lucene.index.SegmentWriteState;
import org.apache.lucene.util.LuceneTestCase;
/**
* Read-write version of {@link Lucene40PostingsFormat} for testing.
*/
@SuppressWarnings("deprecation")
public class Lucene40RWPostingsFormat extends Lucene40PostingsFormat {
@Override
public FieldsConsumer fieldsConsumer(SegmentWriteState state) throws IOException {
if (!LuceneTestCase.OLD_FORMAT_IMPERSONATION_IS_ACTIVE) {
return super.fieldsConsumer(state);
} else {
PostingsWriterBase docs = new Lucene40PostingsWriter(state);
// TODO: should we make the terms index more easily
// pluggable? Ie so that this codec would record which
// index impl was used, and switch on loading?
// Or... you must make a new Codec for this?
boolean success = false;
try {
FieldsConsumer ret = new BlockTreeTermsWriter(state, docs, minBlockSize, maxBlockSize);
success = true;
return ret;
} finally {
if (!success) {
docs.close();
}
}
}
}
}