com.facebook.presto.jdbc.internal.common.block.SingleRowBlock 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.jol.info.ClassLayout;
import java.util.Arrays;
import java.util.OptionalInt;
import java.util.function.ObjLongConsumer;
import static com.facebook.presto.jdbc.internal.common.block.BlockUtil.ensureBlocksAreLoaded;
import static java.lang.String.format;
public class SingleRowBlock
extends AbstractSingleRowBlock
{
private static final int INSTANCE_SIZE = ClassLayout.parseClass(SingleRowBlock.class).instanceSize();
private final Block[] fieldBlocks;
SingleRowBlock(int rowIndex, Block[] fieldBlocks)
{
super(rowIndex);
this.fieldBlocks = fieldBlocks;
}
int getNumFields()
{
return fieldBlocks.length;
}
@Override
protected Block getRawFieldBlock(int fieldIndex)
{
return fieldBlocks[fieldIndex];
}
@Override
public int getPositionCount()
{
return fieldBlocks.length;
}
@Override
public long getSizeInBytes()
{
long sizeInBytes = 0;
for (int i = 0; i < fieldBlocks.length; i++) {
sizeInBytes += getRawFieldBlock(i).getRegionSizeInBytes(rowIndex, 1);
}
return sizeInBytes;
}
@Override
public OptionalInt fixedSizeInBytesPerPosition()
{
return OptionalInt.empty();
}
@Override
public long getRetainedSizeInBytes()
{
long retainedSizeInBytes = INSTANCE_SIZE;
for (int i = 0; i < fieldBlocks.length; i++) {
retainedSizeInBytes += getRawFieldBlock(i).getRetainedSizeInBytes();
}
return retainedSizeInBytes;
}
@Override
public void retainedBytesForEachPart(ObjLongConsumer
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