/*
 * 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.apache.hadoop.hive.ql.io;

import org.apache.hadoop.io.compress.CompressionCodec;
import org.apache.hadoop.io.compress.Compressor;
import org.apache.hadoop.io.compress.Decompressor;

/**
 * Codec reuse is broken, so disable pooling by overriding the original class.
 */
@SuppressWarnings("UnusedDeclaration")
public final class CodecPool
{
    private CodecPool() {}

    public static Compressor getCompressor(CompressionCodec codec)
    {
        return codec.createCompressor();
    }

    public static Decompressor getDecompressor(CompressionCodec codec)
    {
        return codec.createDecompressor();
    }

    public static void returnCompressor(Compressor compressor)
    {
        // no-op
    }

    public static void returnDecompressor(Decompressor decompressor)
    {
        // no-op
    }
}

/*
 * 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.apache.hadoop.hive.ql.io;

import org.apache.hadoop.io.compress.CompressionCodec;
import org.apache.hadoop.io.compress.Compressor;
import org.apache.hadoop.io.compress.Decompressor;

/**
 * Codec reuse is broken, so disable pooling by overriding the original class.
 */
@SuppressWarnings("UnusedDeclaration")
public final class CodecPool
{
    private CodecPool() {}

    public static Compressor getCompressor(CompressionCodec codec)
    {
        return codec.createCompressor();
    }

    public static Decompressor getDecompressor(CompressionCodec codec)
    {
        return codec.createDecompressor();
    }

    public static void returnCompressor(Compressor compressor)
    {
        compressor.end();
    }

    public static void returnDecompressor(Decompressor decompressor)
    {
        decompressor.end();
    }
}

Fix compressor/decompressor leak