package org.apache.lucene.codecs.mocksep;
/*
* 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.FieldsConsumer;
import org.apache.lucene.codecs.FieldsProducer;
import org.apache.lucene.codecs.PostingsFormat;
import org.apache.lucene.codecs.PostingsReaderBase;
import org.apache.lucene.codecs.PostingsWriterBase;
import org.apache.lucene.codecs.blockterms.BlockTermsReader;
import org.apache.lucene.codecs.blockterms.BlockTermsWriter;
import org.apache.lucene.codecs.blockterms.FixedGapTermsIndexReader;
import org.apache.lucene.codecs.blockterms.FixedGapTermsIndexWriter;
import org.apache.lucene.codecs.blockterms.TermsIndexReaderBase;
import org.apache.lucene.codecs.blockterms.TermsIndexWriterBase;
import org.apache.lucene.codecs.sep.SepPostingsReader;
import org.apache.lucene.codecs.sep.SepPostingsWriter;
import org.apache.lucene.index.SegmentWriteState;
import org.apache.lucene.index.SegmentReadState;
import org.apache.lucene.util.BytesRef;
/**
* A silly codec that simply writes each file separately as
* single vInts. Don't use this (performance will be poor)!
* This is here just to test the core sep codec
* classes.
*/
public final class MockSepPostingsFormat extends PostingsFormat {
public MockSepPostingsFormat() {
super("MockSep");
}
@Override
public FieldsConsumer fieldsConsumer(SegmentWriteState state) throws IOException {
PostingsWriterBase postingsWriter = new SepPostingsWriter(state, new MockSingleIntFactory());
boolean success = false;
TermsIndexWriterBase indexWriter;
try {
indexWriter = new FixedGapTermsIndexWriter(state);
success = true;
} finally {
if (!success) {
postingsWriter.close();
}
}
success = false;
try {
FieldsConsumer ret = new BlockTermsWriter(indexWriter, state, postingsWriter);
success = true;
return ret;
} finally {
if (!success) {
try {
postingsWriter.close();
} finally {
indexWriter.close();
}
}
}
}
@Override
public FieldsProducer fieldsProducer(SegmentReadState state) throws IOException {
PostingsReaderBase postingsReader = new SepPostingsReader(state.directory, state.fieldInfos, state.segmentInfo,
state.context, new MockSingleIntFactory(), state.segmentSuffix);
TermsIndexReaderBase indexReader;
boolean success = false;
try {
indexReader = new FixedGapTermsIndexReader(state.directory,
state.fieldInfos,
state.segmentInfo.name,
state.termsIndexDivisor,
BytesRef.getUTF8SortedAsUnicodeComparator(),
state.segmentSuffix, state.context);
success = true;
} finally {
if (!success) {
postingsReader.close();
}
}
success = false;
try {
FieldsProducer ret = new BlockTermsReader(indexReader,
state.directory,
state.fieldInfos,
state.segmentInfo,
postingsReader,
state.context,
1024,
state.segmentSuffix);
success = true;
return ret;
} finally {
if (!success) {
try {
postingsReader.close();
} finally {
indexReader.close();
}
}
}
}
}