package org.apache.lucene.codecs.diskdv;
/*
* 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.DocValuesConsumer;
import org.apache.lucene.codecs.DocValuesProducer;
import org.apache.lucene.codecs.NormsFormat;
import org.apache.lucene.codecs.lucene45.Lucene45DocValuesConsumer;
import org.apache.lucene.index.SegmentReadState;
import org.apache.lucene.index.SegmentWriteState;
/** Norms format that keeps all norms on disk */
public final class DiskNormsFormat extends NormsFormat {
@Override
public DocValuesConsumer normsConsumer(SegmentWriteState state) throws IOException {
return new Lucene45DocValuesConsumer(state, DATA_CODEC, DATA_EXTENSION, META_CODEC, META_EXTENSION);
}
@Override
public DocValuesProducer normsProducer(SegmentReadState state) throws IOException {
return new DiskDocValuesProducer(state, DATA_CODEC, DATA_EXTENSION, META_CODEC, META_EXTENSION);
}
static final String DATA_CODEC = "DiskNormsData";
static final String DATA_EXTENSION = "dnvd";
static final String META_CODEC = "DiskNormsMetadata";
static final String META_EXTENSION = "dnvm";
}