org.apache.flink.runtime.taskmanager.TaskManagerActions Maven / Gradle / Ivy
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* 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,
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*/
package org.apache.flink.runtime.taskmanager;
import org.apache.flink.runtime.executiongraph.ExecutionAttemptID;
import org.apache.flink.runtime.taskexecutor.TaskExecutor;
/**
* Interface for the communication of the {@link Task} with the {@link TaskExecutor}.
*/
public interface TaskManagerActions {
/**
* Notifies the task manager about a fatal error occurred in the task.
*
* @param message Message to report
* @param cause Cause of the fatal error
*/
void notifyFatalError(String message, Throwable cause);
/**
* Tells the task manager to fail the given task.
*
* @param executionAttemptID Execution attempt ID of the task to fail
* @param cause Cause of the failure
*/
void failTask(ExecutionAttemptID executionAttemptID, Throwable cause);
/**
* Notifies the task manager about the task execution state update.
*
* @param taskExecutionState Task execution state update
*/
void updateTaskExecutionState(TaskExecutionState taskExecutionState);
}