/**
* Copyright 2014 National University of Ireland, Galway.
*
* This file is part of the SIREn project. Project and contact information:
*
* https://github.com/rdelbru/SIREn
*
* Licensed 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.sindice.siren.index.codecs.siren10;
import org.sindice.siren.index.codecs.block.VIntBlockCompressor;
import org.sindice.siren.index.codecs.block.VIntBlockDecompressor;
/**
* Implementation of the {@link Siren10PostingsFormat} based on VInt.
*/
public class Siren10VIntPostingsFormat extends Siren10PostingsFormat {
public static final String NAME = "Siren10VInt";
public Siren10VIntPostingsFormat() {
super(NAME);
}
/**
* Create a SIREn 1.0 posting format with VInt codec
* <p>
* The block size parameter is used only during indexing.
*/
public Siren10VIntPostingsFormat(final int blockSize) {
super(NAME, blockSize);
}
@Override
protected Siren10BlockStreamFactory getFactory() {
final Siren10BlockStreamFactory factory = new Siren10BlockStreamFactory(blockSize);
factory.setDocsBlockCompressor(new VIntBlockCompressor());
factory.setFreqBlockCompressor(new VIntBlockCompressor());
factory.setNodBlockCompressor(new VIntBlockCompressor());
factory.setPosBlockCompressor(new VIntBlockCompressor());
factory.setDocsBlockDecompressor(new VIntBlockDecompressor());
factory.setFreqBlockDecompressor(new VIntBlockDecompressor());
factory.setNodBlockDecompressor(new VIntBlockDecompressor());
factory.setPosBlockDecompressor(new VIntBlockDecompressor());
return factory;
}
}