/*
 * 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.parquet.hadoop.codec;

import io.airlift.compress.lz4.Lz4Compressor;
import java.io.IOException;
import java.nio.ByteBuffer;

public class Lz4RawCompressor extends NonBlockedCompressor {

  private Lz4Compressor compressor = new Lz4Compressor();

  @Override
  protected int maxCompressedLength(int byteSize) {
    return io.airlift.compress.lz4.Lz4RawCompressor.maxCompressedLength(byteSize);
  }

  @Override
  protected int compress(ByteBuffer uncompressed, ByteBuffer compressed) throws IOException {
    compressor.compress(uncompressed, compressed);
    int compressedSize = compressed.position();
    compressed.limit(compressedSize);
    compressed.rewind();
    return compressedSize;
  }
}
