001 /** 002 * Copyright (c) 2010 Yahoo! Inc. All rights reserved. 003 * Licensed under the Apache License, Version 2.0 (the "License"); 004 * you may not use this file except in compliance with the License. 005 * You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software 010 * distributed under the License is distributed on an "AS IS" BASIS, 011 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 * See the License for the specific language governing permissions and 013 * limitations under the License. See accompanying LICENSE file. 014 */ 015 package org.apache.oozie.command.bundle; 016 017 import java.util.List; 018 019 import org.apache.oozie.BundleJobBean; 020 import org.apache.oozie.CoordinatorJobBean; 021 import org.apache.oozie.ErrorCode; 022 import org.apache.oozie.XException; 023 import org.apache.oozie.command.CommandException; 024 import org.apache.oozie.command.PreconditionException; 025 import org.apache.oozie.command.XCommand; 026 import org.apache.oozie.executor.jpa.BundleJobGetCoordinatorsJPAExecutor; 027 import org.apache.oozie.executor.jpa.BundleJobGetJPAExecutor; 028 import org.apache.oozie.service.JPAService; 029 import org.apache.oozie.service.Services; 030 import org.apache.oozie.util.ParamChecker; 031 032 /** 033 * Command for Getting the Bundle job bean it also gets coordinators information in the Bundle job. 034 */ 035 public class BundleJobXCommand extends XCommand<BundleJobBean> { 036 private final String id; 037 038 /** 039 * Command for Getting the Bundle job bean it also gets coordinators information in the Bundle job. 040 * 041 * @param id bundle jobId 042 */ 043 public BundleJobXCommand(String id) { 044 super("job.info", "job.info", 1); 045 this.id = ParamChecker.notEmpty(id, "id"); 046 } 047 048 /* (non-Javadoc) 049 * @see org.apache.oozie.command.XCommand#isLockRequired() 050 */ 051 @Override 052 protected boolean isLockRequired() { 053 return false; 054 } 055 056 /* (non-Javadoc) 057 * @see org.apache.oozie.command.XCommand#getEntityKey() 058 */ 059 @Override 060 protected String getEntityKey() { 061 return this.id; 062 } 063 064 /* (non-Javadoc) 065 * @see org.apache.oozie.command.XCommand#loadState() 066 */ 067 @Override 068 protected void loadState() throws CommandException { 069 } 070 071 /* (non-Javadoc) 072 * @see org.apache.oozie.command.XCommand#verifyPrecondition() 073 */ 074 @Override 075 protected void verifyPrecondition() throws CommandException, PreconditionException { 076 } 077 078 /* (non-Javadoc) 079 * @see org.apache.oozie.command.XCommand#execute() 080 */ 081 @Override 082 protected BundleJobBean execute() throws CommandException { 083 try { 084 JPAService jpaService = Services.get().get(JPAService.class); 085 BundleJobBean bundleJob = null; 086 if (jpaService != null) { 087 bundleJob = jpaService.execute(new BundleJobGetJPAExecutor(id)); 088 089 List<CoordinatorJobBean> coordinators = jpaService.execute(new BundleJobGetCoordinatorsJPAExecutor(id)); 090 bundleJob.setCoordJobs(coordinators); 091 } 092 else { 093 LOG.error(ErrorCode.E0610); 094 } 095 return bundleJob; 096 } 097 catch (XException ex) { 098 throw new CommandException(ex); 099 } 100 } 101 102 }