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 org.apache.oozie.BundleJobBean;
018    import org.apache.oozie.client.Job;
019    import org.apache.oozie.command.CommandException;
020    import org.apache.oozie.command.PreconditionException;
021    import org.apache.oozie.command.UnpauseTransitionXCommand;
022    import org.apache.oozie.executor.jpa.BundleJobUpdateJPAExecutor;
023    import org.apache.oozie.executor.jpa.JPAExecutorException;
024    import org.apache.oozie.service.JPAService;
025    import org.apache.oozie.service.Services;
026    import org.apache.oozie.util.LogUtils;
027    
028    public class BundleUnpauseXCommand extends UnpauseTransitionXCommand {
029        private BundleJobBean bundleJob;
030        private JPAService jpaService = Services.get().get(JPAService.class);
031    
032        public BundleUnpauseXCommand(BundleJobBean bundleJob) {
033            super("bundle_unpause", "bundle_unpause", 1);
034            this.bundleJob = bundleJob;
035        }
036    
037        /*
038         * (non-Javadoc)
039         *
040         * @see org.apache.oozie.command.XCommand#getEntityKey()
041         */
042        @Override
043        protected String getEntityKey() {
044            return bundleJob.getId();
045        }
046    
047        /*
048         * (non-Javadoc)
049         *
050         * @see org.apache.oozie.command.XCommand#isLockRequired()
051         */
052        @Override
053        protected boolean isLockRequired() {
054            return true;
055        }
056    
057        /*
058         * (non-Javadoc)
059         *
060         * @see org.apache.oozie.command.XCommand#loadState()
061         */
062        @Override
063        public void loadState() throws CommandException {
064            LogUtils.setLogInfo(bundleJob, logInfo);
065        }
066    
067        /*
068         * (non-Javadoc)
069         *
070         * @see org.apache.oozie.command.XCommand#verifyPrecondition()
071         */
072        @Override
073        protected void verifyPrecondition() throws CommandException, PreconditionException {
074        }
075    
076        /*
077         * (non-Javadoc)
078         *
079         * @see org.apache.oozie.command.TransitionXCommand#notifyParent()
080         */
081        @Override
082        public void notifyParent() {
083        }
084    
085        /*
086         * (non-Javadoc)
087         *
088         * @see org.apache.oozie.command.TransitionXCommand#getJob()
089         */
090        @Override
091        public Job getJob() {
092            return bundleJob;
093        }
094    
095        /*
096         * (non-Javadoc)
097         *
098         * @see org.apache.oozie.command.TransitionXCommand#updateJob()
099         */
100        @Override
101        public void updateJob() throws CommandException {
102            try {
103                jpaService.execute(new BundleJobUpdateJPAExecutor(bundleJob));
104            }
105            catch (JPAExecutorException e) {
106                throw new CommandException(e);
107            }
108        }
109    
110        @Override
111        public void unpauseChildren() throws CommandException {
112            // TODO - need revisit when revisiting coord job status redesign;
113    
114        }
115    
116    }