| /* |
| * 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. |
| */ |
| package org.apache.lucene.codecs.memory; |
| |
| |
| |
| 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.lucene84.Lucene84PostingsReader; |
| import org.apache.lucene.codecs.lucene84.Lucene84PostingsWriter; |
| import org.apache.lucene.index.SegmentReadState; |
| import org.apache.lucene.index.SegmentWriteState; |
| import org.apache.lucene.util.IOUtils; |
| |
| /** |
| * FST term dict + Lucene50PBF |
| */ |
| |
| public final class FSTPostingsFormat extends PostingsFormat { |
| public FSTPostingsFormat() { |
| super("FST50"); |
| } |
| |
| @Override |
| public String toString() { |
| return getName(); |
| } |
| |
| @Override |
| public FieldsConsumer fieldsConsumer(SegmentWriteState state) throws IOException { |
| PostingsWriterBase postingsWriter = new Lucene84PostingsWriter(state); |
| |
| boolean success = false; |
| try { |
| FieldsConsumer ret = new FSTTermsWriter(state, postingsWriter); |
| success = true; |
| return ret; |
| } finally { |
| if (!success) { |
| IOUtils.closeWhileHandlingException(postingsWriter); |
| } |
| } |
| } |
| |
| @Override |
| public FieldsProducer fieldsProducer(SegmentReadState state) throws IOException { |
| PostingsReaderBase postingsReader = new Lucene84PostingsReader(state); |
| boolean success = false; |
| try { |
| FieldsProducer ret = new FSTTermsReader(state, postingsReader); |
| success = true; |
| return ret; |
| } finally { |
| if (!success) { |
| IOUtils.closeWhileHandlingException(postingsReader); |
| } |
| } |
| } |
| } |