com.facebook.presto.jdbc.internal.common.block.SingleArrayBlockWriter Maven / Gradle / Ivy
/*
* 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.jdbc.internal.common.block;
import com.facebook.presto.jdbc.internal.io.airlift.slice.Slice;
import com.facebook.presto.jdbc.internal.io.airlift.slice.SliceInput;
import com.facebook.presto.jdbc.internal.jol.info.ClassLayout;
import java.util.OptionalInt;
import java.util.function.ObjLongConsumer;
import static java.lang.String.format;
public class SingleArrayBlockWriter
extends AbstractSingleArrayBlock
implements BlockBuilder
{
private static final int INSTANCE_SIZE = ClassLayout.parseClass(SingleArrayBlockWriter.class).instanceSize();
private final BlockBuilder blockBuilder;
private int positionsWritten;
public SingleArrayBlockWriter(BlockBuilder blockBuilder, int start)
{
super(start);
this.blockBuilder = blockBuilder;
}
@Override
protected Block getBlock()
{
return blockBuilder;
}
@Override
public long getSizeInBytes()
{
long size = blockBuilder.getSizeInBytes();
if (start == 0) {
return size;
}
return size - blockBuilder.getRegionSizeInBytes(0, start);
}
@Override
public OptionalInt fixedSizeInBytesPerPosition()
{
return OptionalInt.empty();
}
@Override
public long getRetainedSizeInBytes()
{
return INSTANCE_SIZE + blockBuilder.getRetainedSizeInBytes();
}
@Override
public void retainedBytesForEachPart(ObjLongConsumer
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