/*
* 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.operator.aggregation;
import com.facebook.presto.operator.GroupByIdBlock;
import com.facebook.presto.spi.Page;
import com.facebook.presto.spi.block.Block;
import com.facebook.presto.spi.block.BlockBuilder;
import com.facebook.presto.spi.type.Type;
public interface GroupedAccumulator
{
long getEstimatedSize();
Type getFinalType();
Type getIntermediateType();
void addInput(GroupByIdBlock groupIdsBlock, Page page);
void addIntermediate(GroupByIdBlock groupIdsBlock, Block block);
void evaluateIntermediate(int groupId, BlockBuilder output);
void evaluateFinal(int groupId, BlockBuilder output);
}