io.trino.operator.aggregation.state.HyperLogLogState 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.state;
import io.airlift.stats.cardinality.HyperLogLog;
import io.trino.spi.function.AccumulatorState;
import io.trino.spi.function.AccumulatorStateMetadata;
@AccumulatorStateMetadata(stateSerializerClass = HyperLogLogStateSerializer.class, stateFactoryClass = HyperLogLogStateFactory.class)
public interface HyperLogLogState
extends AccumulatorState
{
HyperLogLog getHyperLogLog();
void setHyperLogLog(HyperLogLog value);
void addMemoryUsage(int value);
}