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;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.IOUtils;
final class FormatPostingsFieldsWriter extends FormatPostingsFieldsConsumer {
final Directory dir;
final String segment;
TermInfosWriter termsOut;
final FieldInfos fieldInfos;
FormatPostingsTermsWriter termsWriter;
final DefaultSkipListWriter skipListWriter;
final int totalNumDocs;
public FormatPostingsFieldsWriter(SegmentWriteState state, FieldInfos fieldInfos) throws IOException {
dir = state.directory;
segment = state.segmentName;
totalNumDocs = state.numDocs;
this.fieldInfos = fieldInfos;
boolean success = false;
try {
termsOut = new TermInfosWriter(dir, segment, fieldInfos, state.termIndexInterval);
// TODO: this is a nasty abstraction violation (that we
// peek down to find freqOut/proxOut) -- we need a
// better abstraction here whereby these child consumers
// can provide skip data or not
skipListWriter = new DefaultSkipListWriter(termsOut.skipInterval,
termsOut.maxSkipLevels, totalNumDocs, null, null);
termsWriter = new FormatPostingsTermsWriter(state, this);
success = true;
} finally {
if (!success) {
IOUtils.closeWhileHandlingException(termsOut, termsWriter);
}
}
}
/** Add a new field */
@Override
FormatPostingsTermsConsumer addField(FieldInfo field) {
termsWriter.setField(field);
return termsWriter;
}
/** Called when we are done adding everything. */
@Override
void finish() throws IOException {
IOUtils.close(termsOut, termsWriter);
}
}