com.facebook.presto.orc.stream.InMapOutputStream Maven / Gradle / Ivy

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/*
 * 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.orc.stream;

import com.facebook.presto.orc.ColumnWriterOptions;
import com.facebook.presto.orc.DwrfDataEncryptor;
import org.openjdk.jol.info.ClassLayout;

import java.util.Optional;

import static com.facebook.presto.orc.metadata.Stream.StreamKind.IN_MAP;

public class InMapOutputStream
        extends BooleanOutputStream
{
    private static final int INSTANCE_SIZE = ClassLayout.parseClass(InMapOutputStream.class).instanceSize();

    public InMapOutputStream(ColumnWriterOptions columnWriterOptions, Optional dwrfEncryptor)
    {
        super(columnWriterOptions, dwrfEncryptor);
    }

    @Override
    public StreamDataOutput getStreamDataOutput(int column, int sequence)
    {
        // get boolean output DATA stream as IN_MAP stream
        return super.getStreamDataOutput(column, sequence, IN_MAP);
    }

    @Override
    public long getRetainedBytes()
    {
        return INSTANCE_SIZE + super.getRetainedBytes();
    }
}