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.Date;
021    import java.util.List;
022    
023    import org.apache.oozie.BundleActionBean;
024    import org.apache.oozie.BundleJobBean;
025    import org.apache.oozie.ErrorCode;
026    import org.apache.oozie.XException;
027    import org.apache.oozie.client.Job;
028    import org.apache.oozie.command.CommandException;
029    import org.apache.oozie.command.PreconditionException;
030    import org.apache.oozie.command.ResumeTransitionXCommand;
031    import org.apache.oozie.command.coord.CoordResumeXCommand;
032    import org.apache.oozie.executor.jpa.BundleActionUpdateJPAExecutor;
033    import org.apache.oozie.executor.jpa.BundleActionsGetJPAExecutor;
034    import org.apache.oozie.executor.jpa.BundleJobGetJPAExecutor;
035    import org.apache.oozie.executor.jpa.BundleJobUpdateJPAExecutor;
036    import org.apache.oozie.executor.jpa.JPAExecutorException;
037    import org.apache.oozie.service.JPAService;
038    import org.apache.oozie.service.Services;
039    import org.apache.oozie.util.InstrumentUtils;
040    import org.apache.oozie.util.LogUtils;
041    import org.apache.oozie.util.ParamChecker;
042    
043    public class BundleJobResumeXCommand extends ResumeTransitionXCommand {
044    
045        private final String bundleId;
046        private JPAService jpaService = null;
047        private BundleJobBean bundleJob;
048        private List<BundleActionBean> bundleActions;
049    
050        /**
051         * Constructor to create the Bundle Resume Command.
052         *
053         * @param jobId : Bundle Id
054         */
055        public BundleJobResumeXCommand(String jobId) {
056            super("bundle_resume", "bundle_resume", 1);
057            this.bundleId = ParamChecker.notNull(jobId, "BundleId");
058        }
059    
060        /* (non-Javadoc)
061         * @see org.apache.oozie.command.ResumeTransitionXCommand#resumeChildren()
062         */
063        @Override
064        public void resumeChildren() throws CommandException {
065            try {
066                for (BundleActionBean action : bundleActions) {
067                    if (action.getStatus() == Job.Status.SUSPENDED || action.getStatus() == Job.Status.PREPSUSPENDED) {
068                        // queue a CoordResumeXCommand
069                        if (action.getCoordId() != null) {
070                            queue(new CoordResumeXCommand(action.getCoordId()));
071                            updateBundleAction(action);
072                            LOG.debug("Resume bundle action = [{0}], new status = [{1}], pending = [{2}] and queue CoordResumeXCommand for [{3}]",
073                                            action.getBundleActionId(), action.getStatus(), action.getPending(), action
074                                                    .getCoordId());
075                        }
076                        else {
077                            updateBundleAction(action);
078                            LOG.debug("Resume bundle action = [{0}], new status = [{1}], pending = [{2}] and coord id is null",
079                                            action.getBundleActionId(), action.getStatus(), action.getPending());
080                        }
081                    }
082                }
083                LOG.debug("Resume bundle actions for the bundle=[{0}]", bundleId);
084            }
085            catch (XException ex) {
086                throw new CommandException(ex);
087            }
088        }
089    
090        private void updateBundleAction(BundleActionBean action) throws CommandException {
091            if (action.getStatus() == Job.Status.PREPSUSPENDED) {
092                action.setStatus(Job.Status.PREP);
093            }
094            else if (action.getStatus() == Job.Status.SUSPENDED) {
095                action.setStatus(Job.Status.RUNNING);
096            }
097            action.incrementAndGetPending();
098            action.setLastModifiedTime(new Date());
099            try {
100                jpaService.execute(new BundleActionUpdateJPAExecutor(action));
101            }
102            catch (JPAExecutorException e) {
103                throw new CommandException(e);
104            }
105        }
106    
107        /* (non-Javadoc)
108         * @see org.apache.oozie.command.TransitionXCommand#notifyParent()
109         */
110        @Override
111        public void notifyParent() throws CommandException {
112    
113        }
114    
115        /* (non-Javadoc)
116         * @see org.apache.oozie.command.TransitionXCommand#updateJob()
117         */
118        @Override
119        public void updateJob() throws CommandException {
120            InstrumentUtils.incrJobCounter("bundle_resume", 1, null);
121            bundleJob.setSuspendedTime(null);
122            bundleJob.setLastModifiedTime(new Date());
123            LOG.debug("Resume bundle job id = " + bundleId + ", status = " + bundleJob.getStatus() + ", pending = " + bundleJob.isPending());
124            try {
125                jpaService.execute(new BundleJobUpdateJPAExecutor(bundleJob));
126            }
127            catch (JPAExecutorException e) {
128                throw new CommandException(e);
129            }
130        }
131    
132        /* (non-Javadoc)
133         * @see org.apache.oozie.command.XCommand#getEntityKey()
134         */
135        @Override
136        protected String getEntityKey() {
137            return bundleId;
138        }
139    
140        /* (non-Javadoc)
141         * @see org.apache.oozie.command.XCommand#isLockRequired()
142         */
143        @Override
144        protected boolean isLockRequired() {
145            return true;
146        }
147    
148        /* (non-Javadoc)
149         * @see org.apache.oozie.command.XCommand#loadState()
150         */
151        @Override
152        protected void loadState() throws CommandException {
153            jpaService = Services.get().get(JPAService.class);
154            if (jpaService == null) {
155                throw new CommandException(ErrorCode.E0610);
156            }
157    
158            try {
159                bundleJob = jpaService.execute(new BundleJobGetJPAExecutor(bundleId));
160                bundleActions = jpaService.execute(new BundleActionsGetJPAExecutor(bundleId));
161            }
162            catch (Exception Ex) {
163                throw new CommandException(ErrorCode.E0604, bundleId);
164            }
165    
166            LogUtils.setLogInfo(bundleJob, logInfo);
167        }
168    
169        /* (non-Javadoc)
170         * @see org.apache.oozie.command.XCommand#verifyPrecondition()
171         */
172        @Override
173        protected void verifyPrecondition() throws CommandException, PreconditionException {
174            if (bundleJob.getStatus() != Job.Status.SUSPENDED && bundleJob.getStatus() != Job.Status.PREPSUSPENDED) {
175                throw new PreconditionException(ErrorCode.E1100, "BundleResumeCommand not Resumed - "
176                        + "job not in SUSPENDED/PREPSUSPENDED state " + bundleId);
177            }
178        }
179    
180        /* (non-Javadoc)
181         * @see org.apache.oozie.command.TransitionXCommand#getJob()
182         */
183        @Override
184        public Job getJob() {
185            return bundleJob;
186        }
187    }