/**
* 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.tez.dag.app.dag;
/**
* Represents proximate cause of transition to FAILED or KILLED.
*/
public enum VertexTerminationCause {
/** DAG was killed */
DAG_TERMINATED(VertexState.KILLED),
/** Other vertex failed causing DAG to fail thus killing this vertex */
OTHER_VERTEX_FAILURE(VertexState.KILLED),
/** Initialization failed for one of the root Inputs */
ROOT_INPUT_INIT_FAILURE(VertexState.FAILED),
/** This vertex failed as its AM usercode (VertexManager/EdgeManager/InputInitializer)
* throw Exception
*/
AM_USERCODE_FAILURE(VertexState.FAILED),
/** One of the tasks for this vertex failed. */
OWN_TASK_FAILURE(VertexState.FAILED),
/** This vertex failed during commit. */
COMMIT_FAILURE(VertexState.FAILED),
/** In some cases, vertex could not rerun, e.g. its output been committed as a shared output of vertex group */
VERTEX_RERUN_AFTER_COMMIT(VertexState.FAILED),
/** Rerun vertex while it is in committing, it would cause conflict. */
VERTEX_RERUN_IN_COMMITTING(VertexState.FAILED),
/** This vertex failed as it had invalid number tasks. */
INVALID_NUM_OF_TASKS(VertexState.FAILED),
/** This vertex failed during init. */
INIT_FAILURE(VertexState.FAILED),
INTERNAL_ERROR(VertexState.ERROR),
/** error when writing recovery log */
RECOVERY_ERROR(VertexState.FAILED),
/** This vertex failed due to counter limits exceeded. */
COUNTER_LIMITS_EXCEEDED(VertexState.FAILED);
private VertexState finishedState;
private VertexTerminationCause(VertexState finishedState) {
this.finishedState = finishedState;
}
public VertexState getFinishedState() {
return finishedState;
}
}