io.trino.operator.aggregation.state.GenericLongState 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.trino.spi.block.BlockBuilder;
import io.trino.spi.function.AccumulatorState;
import io.trino.spi.function.AccumulatorStateMetadata;
import io.trino.spi.type.Type;
@AccumulatorStateMetadata(stateSerializerClass = GenericLongStateSerializer.class)
public interface GenericLongState
extends AccumulatorState
{
long getValue();
void setValue(long value);
@InitialBooleanValue(true)
boolean isNull();
void setNull(boolean value);
default void set(GenericLongState state)
{
setValue(state.getValue());
setNull(state.isNull());
}
static void write(Type type, GenericLongState state, BlockBuilder out)
{
if (state.isNull()) {
out.appendNull();
}
else {
type.writeLong(out, state.getValue());
}
}
}