/**
* 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 org.apache.oozie.ErrorCode;
import org.apache.oozie.WorkflowJobBean;
import org.apache.oozie.XException;
import org.apache.oozie.command.CommandException;
import org.apache.oozie.command.PreconditionException;
import org.apache.oozie.executor.jpa.WorkflowJobGetJPAExecutor;
import org.apache.oozie.service.JPAService;
import org.apache.oozie.service.Services;
import org.apache.oozie.util.LogUtils;
import org.apache.oozie.util.ParamChecker;
public class DefinitionXCommand extends WorkflowXCommand<String> {
private String jobId;
private WorkflowJobBean wfJob;
public DefinitionXCommand(String jobId) {
super("definition", "definition", 1);
this.jobId = ParamChecker.notEmpty(jobId, "jobId");
}
@Override
protected boolean isLockRequired() {
return false;
}
@Override
protected String getEntityKey() {
return this.jobId;
}
@Override
protected void loadState() throws CommandException {
try {
JPAService jpaService = Services.get().get(JPAService.class);
if (jpaService != null) {
this.wfJob = jpaService.execute(new WorkflowJobGetJPAExecutor(jobId));
LogUtils.setLogInfo(wfJob, logInfo);
}
else {
LOG.error(ErrorCode.E0610);
}
}
catch (XException ex) {
throw new CommandException(ex);
}
}
@Override
protected void verifyPrecondition() throws CommandException, PreconditionException {
}
@Override
protected String execute() throws CommandException {
if (wfJob != null) {
return wfJob.getWorkflowInstance().getApp().getDefinition();
}
else {
throw new CommandException(ErrorCode.E0604);
}
}
}