io.trino.operator.aggregation.GroupedMapAggregationState 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 io.trino.operator.aggregation;
import io.trino.spi.block.MapBlockBuilder;
import io.trino.spi.block.ValueBlock;
import io.trino.spi.function.GroupedAccumulatorState;
import io.trino.spi.type.Type;
import java.lang.invoke.MethodHandle;
public class GroupedMapAggregationState
extends AbstractMapAggregationState
implements GroupedAccumulatorState
{
private int groupId;
public GroupedMapAggregationState(
Type keyType,
MethodHandle keyReadFlat,
MethodHandle keyWriteFlat,
MethodHandle hashFlat,
MethodHandle identicalFlatBlock,
MethodHandle keyHashBlock,
Type valueType,
MethodHandle valueReadFlat,
MethodHandle valueWriteFlat)
{
super(
keyType,
keyReadFlat,
keyWriteFlat,
hashFlat,
identicalFlatBlock,
keyHashBlock,
valueType,
valueReadFlat,
valueWriteFlat,
true);
}
@Override
public void setGroupId(int groupId)
{
this.groupId = groupId;
}
@Override
public void ensureCapacity(int size)
{
setMaxGroupId(size);
}
@Override
public void add(ValueBlock keyBlock, int keyPosition, ValueBlock valueBlock, int valuePosition)
{
add(groupId, keyBlock, keyPosition, valueBlock, valuePosition);
}
@Override
public void writeAll(MapBlockBuilder out)
{
serialize(groupId, out);
}
}