/**
* Copyright (c) 2010 Yahoo! Inc. All rights reserved.
* 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. See accompanying LICENSE file.
*/
package org.apache.oozie.command.wf;
import java.util.Properties;
import org.apache.oozie.ErrorCode;
import org.apache.oozie.WorkflowActionBean;
import org.apache.oozie.action.ActionExecutor;
import org.apache.oozie.command.CommandException;
import org.apache.oozie.command.PreconditionException;
import org.apache.oozie.executor.jpa.WorkflowActionGetJPAExecutor;
import org.apache.oozie.service.ActionService;
import org.apache.oozie.service.JPAService;
import org.apache.oozie.service.Services;
import org.apache.oozie.util.LogUtils;
import org.apache.oozie.util.ParamChecker;
/**
* This command is executed once the Workflow command is finished.
*/
public class CompletedActionXCommand extends WorkflowXCommand<Void> {
private final String actionId;
private final String externalStatus;
private JPAService jpaService;
private WorkflowActionBean wfactionBean;
public CompletedActionXCommand(String actionId, String externalStatus, Properties actionData, int priority) {
super("callback", "callback", priority);
this.actionId = ParamChecker.notEmpty(actionId, "actionId");
this.externalStatus = ParamChecker.notEmpty(externalStatus, "externalStatus");
}
public CompletedActionXCommand(String actionId, String externalStatus, Properties actionData) {
this(actionId, externalStatus, actionData, 1);
}
/*
* (non-Javadoc)
*
* @see org.apache.oozie.command.XCommand#eagerLoadState()
*/
@Override
protected void eagerLoadState() throws CommandException {
super.eagerLoadState();
try {
jpaService = Services.get().get(JPAService.class);
if (jpaService != null) {
this.wfactionBean = jpaService.execute(new WorkflowActionGetJPAExecutor(this.actionId));
}
else {
throw new CommandException(ErrorCode.E0610);
}
}
catch (Exception ex) {
throw new CommandException(ErrorCode.E0603, ex);
}
LogUtils.setLogInfo(this.wfactionBean, logInfo);
}
/*
* (non-Javadoc)
*
* @see org.apache.oozie.command.XCommand#eagerVerifyPrecondition()
*/
@Override
protected void eagerVerifyPrecondition() throws CommandException, PreconditionException {
super.eagerVerifyPrecondition();
if (this.wfactionBean.getStatus() != WorkflowActionBean.Status.RUNNING) {
throw new CommandException(ErrorCode.E0800, actionId, this.wfactionBean.getStatus());
}
}
/*
* (non-Javadoc)
*
* @see org.apache.oozie.command.XCommand#execute()
*/
@Override
protected Void execute() throws CommandException {
ActionExecutor executor = Services.get().get(ActionService.class).getExecutor(this.wfactionBean.getType());
// this is done because oozie notifications (of sub-wfs) is send
// every status change, not only on completion.
if (executor.isCompleted(externalStatus)) {
queue(new ActionCheckXCommand(this.wfactionBean.getId(), getPriority(), -1));
}
return null;
}
/*
* (non-Javadoc)
*
* @see org.apache.oozie.command.XCommand#getEntityKey()
*/
@Override
protected String getEntityKey() {
return null;
}
/*
* (non-Javadoc)
*
* @see org.apache.oozie.command.XCommand#isLockRequired()
*/
@Override
protected boolean isLockRequired() {
return false;
}
/*
* (non-Javadoc)
*
* @see org.apache.oozie.command.XCommand#loadState()
*/
@Override
protected void loadState() throws CommandException {
}
/*
* (non-Javadoc)
*
* @see org.apache.oozie.command.XCommand#verifyPrecondition()
*/
@Override
protected void verifyPrecondition() throws CommandException, PreconditionException {
}
}