001/** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019package org.apache.oozie.command.wf; 020 021import org.apache.oozie.WorkflowActionBean; 022import org.apache.oozie.WorkflowJobBean; 023import org.apache.oozie.action.ActionExecutor; 024import org.apache.oozie.client.Job; 025import org.apache.oozie.client.WorkflowAction; 026import org.apache.oozie.command.CommandException; 027import org.apache.oozie.command.XCommand; 028import org.apache.oozie.command.wf.ActionXCommand.ActionExecutorContext; 029 030public class ForkedActionStartXCommand extends ActionStartXCommand { 031 032 public ForkedActionStartXCommand(String actionId, String type) { 033 super(actionId, type); 034 } 035 036 public ForkedActionStartXCommand(WorkflowJobBean wfJob, String id, String type) { 037 super(wfJob, id, type); 038 } 039 040 protected ActionExecutorContext execute() throws CommandException { 041 super.execute(); 042 return context; 043 } 044 045 @Override 046 public String getEntityKey() { 047 return actionId; 048 } 049 050 // In case of requeue follow the old approach. 051 @Override 052 protected void queue(XCommand<?> command, long msDelay) { 053 054 if (command instanceof ForkedActionStartXCommand) { 055 LOG.debug("Queueing ActionStartXCommand command"); 056 super.queue(new ActionStartXCommand(wfAction.getId(), wfAction.getType()), msDelay); 057 } 058 else { 059 LOG.debug("Queueing " + command); 060 super.queue(command, msDelay); 061 } 062 } 063 064 // Job will be failed by SignalXcommand, because ForkedActionStartXCommand doesn't have lock on jobId. 065 @Override 066 public void failJob(ActionExecutor.Context context, WorkflowActionBean action) throws CommandException { 067 this.context.setJobStatus(Job.Status.FAILED); 068 } 069 070 @Override 071 protected void updateParentIfNecessary(WorkflowJobBean wfjob, int maxRetries) throws CommandException { 072 } 073 074 @Override 075 protected void handleNonTransient(ActionExecutor.Context context, ActionExecutor executor, 076 WorkflowAction.Status status) throws CommandException { 077 this.context.setJobStatus(Job.Status.SUSPENDED); 078 } 079 080 @Override 081 protected void handleError(ActionExecutorContext context, WorkflowJobBean workflow, WorkflowActionBean action) 082 throws CommandException { 083 this.context.setJobStatus(Job.Status.FAILED); 084 } 085 086 @Override 087 protected void updateJobLastModified() { 088 } 089 090 // Not killing job, setting flag so that signalX can kill the job 091 @Override 092 protected void endWF() { 093 context.setShouldEndWF(true); 094 } 095 096 @Override 097 protected void callActionEnd() { 098 queue(new ActionEndXCommand(wfAction.getId(), wfAction.getType())); 099 } 100 101 @Override 102 protected ActionExecutorContext getContext(boolean isRetry, boolean isUserRetry){ 103 return new ActionXCommand.ForkedActionExecutorContext(wfJob, wfAction, isRetry, isUserRetry); 104 } 105 106}