package org.apache.lucene.index.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 java.util.Set;
import org.apache.lucene.index.SegmentInfo;
import org.apache.lucene.index.SegmentWriteState;
import org.apache.lucene.index.SegmentReadState;
import org.apache.lucene.index.codecs.Codec;
import org.apache.lucene.index.codecs.FieldsConsumer;
import org.apache.lucene.index.codecs.FieldsProducer;
import org.apache.lucene.index.codecs.standard.SimpleStandardTermsIndexReader;
import org.apache.lucene.index.codecs.standard.SimpleStandardTermsIndexWriter;
import org.apache.lucene.index.codecs.standard.StandardPostingsReader;
import org.apache.lucene.index.codecs.standard.StandardPostingsWriter;
import org.apache.lucene.index.codecs.standard.StandardTermsDictReader;
import org.apache.lucene.index.codecs.standard.StandardTermsDictWriter;
import org.apache.lucene.index.codecs.standard.StandardTermsIndexReader;
import org.apache.lucene.index.codecs.standard.StandardTermsIndexWriter;
import org.apache.lucene.index.codecs.standard.StandardCodec;
import org.apache.lucene.index.codecs.sep.SepPostingsWriterImpl;
import org.apache.lucene.index.codecs.sep.SepPostingsReaderImpl;
import org.apache.lucene.store.Directory;
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 class MockSepCodec extends Codec {
public MockSepCodec() {
name = "MockSep";
}
@Override
public FieldsConsumer fieldsConsumer(SegmentWriteState state) throws IOException {
StandardPostingsWriter postingsWriter = new SepPostingsWriterImpl(state, new MockSingleIntFactory());
boolean success = false;
StandardTermsIndexWriter indexWriter;
try {
indexWriter = new SimpleStandardTermsIndexWriter(state);
success = true;
} finally {
if (!success) {
postingsWriter.close();
}
}
success = false;
try {
FieldsConsumer ret = new StandardTermsDictWriter(indexWriter, state, postingsWriter, BytesRef.getUTF8SortedAsUnicodeComparator());
success = true;
return ret;
} finally {
if (!success) {
try {
postingsWriter.close();
} finally {
indexWriter.close();
}
}
}
}
@Override
public FieldsProducer fieldsProducer(SegmentReadState state) throws IOException {
StandardPostingsReader postingsReader = new SepPostingsReaderImpl(state.dir, state.segmentInfo, state.readBufferSize, new MockSingleIntFactory());
StandardTermsIndexReader indexReader;
boolean success = false;
try {
indexReader = new SimpleStandardTermsIndexReader(state.dir,
state.fieldInfos,
state.segmentInfo.name,
state.termsIndexDivisor,
BytesRef.getUTF8SortedAsUnicodeComparator());
success = true;
} finally {
if (!success) {
postingsReader.close();
}
}
success = false;
try {
FieldsProducer ret = new StandardTermsDictReader(indexReader,
state.dir,
state.fieldInfos,
state.segmentInfo.name,
postingsReader,
state.readBufferSize,
BytesRef.getUTF8SortedAsUnicodeComparator(),
StandardCodec.TERMS_CACHE_SIZE);
success = true;
return ret;
} finally {
if (!success) {
try {
postingsReader.close();
} finally {
indexReader.close();
}
}
}
}
@Override
public void files(Directory dir, SegmentInfo segmentInfo, Set<String> files) {
SepPostingsReaderImpl.files(segmentInfo, files);
StandardTermsDictReader.files(dir, segmentInfo, files);
SimpleStandardTermsIndexReader.files(dir, segmentInfo, files);
}
@Override
public void getExtensions(Set<String> extensions) {
getSepExtensions(extensions);
}
public static void getSepExtensions(Set<String> extensions) {
SepPostingsWriterImpl.getExtensions(extensions);
StandardTermsDictReader.getExtensions(extensions);
SimpleStandardTermsIndexReader.getIndexExtensions(extensions);
}
}