/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* 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 eu.stratosphere.nephele.execution;
/**
* This enumerations includes all possible states during a task's lifetime.
*
*/
public enum ExecutionState {
/**
* The task has been created, but is not yet submitted to a scheduler.
*/
CREATED,
/**
* The task has been accepted by the scheduler, the resource for the task has been requested
*/
SCHEDULED,
/**
* The task has been assigned a resource to run, but is not yet read to by deployed.
*/
ASSIGNED,
/**
* The task has been announced ready to run by the scheduler, but is not yet running.
*/
READY,
/**
* The task is currently deployed to the assigned to task manager.
*/
STARTING,
/**
* The task is currently running.
*/
RUNNING,
/**
* The task has already finished, but not all of its results have been consumed yet.
*/
FINISHING,
/**
* The task finished, all of its results have been consumed.
*/
FINISHED,
/**
* The task has been requested to be canceled, but is not yet terminated.
*/
CANCELING,
/**
* The task has been canceled due to a user request or the error of a connected task.
*/
CANCELED,
/**
* The task has been aborted due to a failure during execution.
*/
FAILED
}