/*
* 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 com.facebook.presto.rcfile;
import java.util.function.Supplier;
class NoneCompressor
implements RcFileCompressor
{
@Override
public CompressedSliceOutput createCompressedSliceOutput(int minChunkSize, int maxChunkSize)
{
return new NoneCompressedSliceOutputSupplier(minChunkSize, maxChunkSize).get();
}
private static class NoneCompressedSliceOutputSupplier
implements Supplier<CompressedSliceOutput>
{
private final ChunkedSliceOutput chunkedSliceOutput;
private NoneCompressedSliceOutputSupplier(int minChunkSize, int maxChunkSize)
{
chunkedSliceOutput = new ChunkedSliceOutput(minChunkSize, maxChunkSize);
}
@Override
public CompressedSliceOutput get()
{
chunkedSliceOutput.reset();
return new CompressedSliceOutput(chunkedSliceOutput, chunkedSliceOutput, this, () -> { });
}
}
}