org.apache.flink.streaming.api.functions.query.QueryableValueStateOperator Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.flink.streaming.api.functions.query;
import org.apache.flink.annotation.Internal;
import org.apache.flink.api.common.state.StateDescriptor;
import org.apache.flink.api.common.state.ValueState;
import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
/**
* Internal operator handling queryable ValueState instances.
*
* @param Input type
*/
@Internal
public class QueryableValueStateOperator extends AbstractQueryableStateOperator, IN> {
public QueryableValueStateOperator(
String registrationName,
StateDescriptor, IN> stateDescriptor) {
super(registrationName, stateDescriptor);
}
@Override
public void processElement(StreamRecord element) throws Exception {
state.update(element.getValue());
}
}