io.trino.operator.aggregation.AccumulatorFactory 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 java.util.List;
import java.util.function.Supplier;
public interface AccumulatorFactory
{
List> getLambdaInterfaces();
Accumulator createAccumulator(List> lambdaProviders);
Accumulator createIntermediateAccumulator(List> lambdaProviders);
GroupedAccumulator createGroupedAccumulator(List> lambdaProviders);
GroupedAccumulator createGroupedIntermediateAccumulator(List> lambdaProviders);
AggregationMaskBuilder createAggregationMaskBuilder();
}