Package org.apache.lucene.codecs.compressing

Source Code of org.apache.lucene.codecs.compressing.FastCompressingCodec

package org.apache.lucene.codecs.compressing;

import org.apache.lucene.codecs.DocValuesFormat;
import org.apache.lucene.codecs.NormsFormat;
import org.apache.lucene.codecs.lucene42.Lucene42DocValuesFormat;
import org.apache.lucene.codecs.lucene42.Lucene42NormsFormat;
import org.apache.lucene.util.packed.PackedInts;

/*
* 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.
*/

/** CompressionCodec that uses {@link CompressionMode#FAST} */
public class FastCompressingCodec extends CompressingCodec {

  /** Constructor that allows to configure the chunk size. */
  public FastCompressingCodec(int chunkSize, boolean withSegmentSuffix) {
    super("FastCompressingStoredFields",
          withSegmentSuffix ? "FastCompressingStoredFields" : "",
          CompressionMode.FAST, chunkSize);
  }

  /** Default constructor. */
  public FastCompressingCodec() {
    this(1 << 14, false);
  }

  @Override
  public NormsFormat normsFormat() {
    return new Lucene42NormsFormat(PackedInts.FAST);
  }

  @Override
  public DocValuesFormat docValuesFormat() {
    return new Lucene42DocValuesFormat(PackedInts.FAST);
  }
}
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