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    package org.apache.oozie.command.bundle;
019    
020    import java.util.List;
021    
022    import org.apache.oozie.BundleJobBean;
023    import org.apache.oozie.CoordinatorJobBean;
024    import org.apache.oozie.ErrorCode;
025    import org.apache.oozie.XException;
026    import org.apache.oozie.command.CommandException;
027    import org.apache.oozie.command.PreconditionException;
028    import org.apache.oozie.command.XCommand;
029    import org.apache.oozie.executor.jpa.BundleJobGetCoordinatorsJPAExecutor;
030    import org.apache.oozie.executor.jpa.BundleJobGetJPAExecutor;
031    import org.apache.oozie.service.JPAService;
032    import org.apache.oozie.service.Services;
033    import org.apache.oozie.util.ParamChecker;
034    
035    /**
036     * Command for Getting the Bundle job bean it also gets coordinators information in the Bundle job.
037     */
038    public class BundleJobXCommand extends XCommand<BundleJobBean> {
039        private final String id;
040    
041        /**
042         * Command for Getting the Bundle job bean it also gets coordinators information in the Bundle job.
043         *
044         * @param id bundle jobId
045         */
046        public BundleJobXCommand(String id) {
047            super("job.info", "job.info", 1);
048            this.id = ParamChecker.notEmpty(id, "id");
049        }
050    
051        /* (non-Javadoc)
052         * @see org.apache.oozie.command.XCommand#isLockRequired()
053         */
054        @Override
055        protected boolean isLockRequired() {
056            return false;
057        }
058    
059        /* (non-Javadoc)
060         * @see org.apache.oozie.command.XCommand#getEntityKey()
061         */
062        @Override
063        protected String getEntityKey() {
064            return this.id;
065        }
066    
067        /* (non-Javadoc)
068         * @see org.apache.oozie.command.XCommand#loadState()
069         */
070        @Override
071        protected void loadState() throws CommandException {
072        }
073    
074        /* (non-Javadoc)
075         * @see org.apache.oozie.command.XCommand#verifyPrecondition()
076         */
077        @Override
078        protected void verifyPrecondition() throws CommandException, PreconditionException {
079        }
080    
081        /* (non-Javadoc)
082         * @see org.apache.oozie.command.XCommand#execute()
083         */
084        @Override
085        protected BundleJobBean execute() throws CommandException {
086            try {
087                JPAService jpaService = Services.get().get(JPAService.class);
088                BundleJobBean bundleJob = null;
089                if (jpaService != null) {
090                    bundleJob = jpaService.execute(new BundleJobGetJPAExecutor(id));
091    
092                    List<CoordinatorJobBean> coordinators = jpaService.execute(new BundleJobGetCoordinatorsJPAExecutor(id));
093                    bundleJob.setCoordJobs(coordinators);
094                }
095                else {
096                    LOG.error(ErrorCode.E0610);
097                }
098                return bundleJob;
099            }
100            catch (XException ex) {
101                throw new CommandException(ex);
102            }
103        }
104    
105    }