/*
* 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.runtime.taskmanager;
import org.apache.flink.runtime.instance.ActorGateway;
import org.apache.flink.runtime.messages.TaskMessages;
import org.apache.flink.util.Preconditions;
/**
* Implementation using {@link ActorGateway} to forward the messages.
*/
public class ActorGatewayTaskExecutionStateListener implements TaskExecutionStateListener {
private final ActorGateway actorGateway;
public ActorGatewayTaskExecutionStateListener(ActorGateway actorGateway) {
this.actorGateway = Preconditions.checkNotNull(actorGateway);
}
@Override
public void notifyTaskExecutionStateChanged(TaskExecutionState taskExecutionState) {
TaskMessages.UpdateTaskExecutionState actorMessage = new TaskMessages.UpdateTaskExecutionState(taskExecutionState);
actorGateway.tell(actorMessage);
}
}