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    
022    import org.apache.oozie.BundleActionBean;
023    import org.apache.oozie.CoordinatorJobBean;
024    import org.apache.oozie.ErrorCode;
025    import org.apache.oozie.XException;
026    import org.apache.oozie.client.CoordinatorJob;
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.StatusUpdateXCommand;
031    import org.apache.oozie.executor.jpa.BundleActionGetJPAExecutor;
032    import org.apache.oozie.executor.jpa.BundleActionUpdateJPAExecutor;
033    import org.apache.oozie.executor.jpa.JPAExecutorException;
034    import org.apache.oozie.service.JPAService;
035    import org.apache.oozie.service.Services;
036    
037    /**
038     * The command to update Bundle status
039     */
040    public class BundleStatusUpdateXCommand extends StatusUpdateXCommand {
041        private final CoordinatorJobBean coordjob;
042        private JPAService jpaService = null;
043        private BundleActionBean bundleaction;
044        private final Job.Status prevStatus;
045    
046        /**
047         * The constructor for class {@link BundleStatusUpdateXCommand}
048         *
049         * @param coordjob coordinator job bean
050         * @param prevStatus coordinator job old status
051         */
052        public BundleStatusUpdateXCommand(CoordinatorJobBean coordjob, CoordinatorJob.Status prevStatus) {
053            super("BundleStatusUpdate", "BundleStatusUpdate", 1);
054            this.coordjob = coordjob;
055            this.prevStatus = prevStatus;
056        }
057    
058        /* (non-Javadoc)
059         * @see org.apache.oozie.command.XCommand#execute()
060         */
061        @Override
062        protected Void execute() throws CommandException {
063            try {
064                LOG.debug("STARTED BundleStatusUpdateXCommand with bubdle id : " + coordjob.getBundleId()
065                        + " coord job ID: " + coordjob.getId() + " coord Status " + coordjob.getStatus());
066                Job.Status coordCurrentStatus = coordjob.getStatus();
067                Job.Status bundleActionStatus = bundleaction.getStatus();
068                bundleaction.setStatus(coordCurrentStatus);
069    
070                if (bundleaction.isPending()) {
071                    bundleaction.decrementAndGetPending();
072                }
073                bundleaction.setLastModifiedTime(new Date());
074                bundleaction.setCoordId(coordjob.getId());
075                jpaService.execute(new BundleActionUpdateJPAExecutor(bundleaction));
076                LOG.info("Updated bundle action [{0}] from prev status [{1}] to current coord status [{2}], and new bundle action pending [{3}]", bundleaction
077                        .getBundleActionId(), bundleActionStatus, coordCurrentStatus, bundleaction.getPending());
078    
079                LOG.debug("ENDED BundleStatusUpdateXCommand with bubdle id : " + coordjob.getBundleId() + " coord job ID: "
080                        + coordjob.getId() + " coord Status " + coordjob.getStatus());
081            }
082            catch (Exception ex) {
083                throw new CommandException(ErrorCode.E1309, bundleaction.getBundleId(), bundleaction.getCoordName());
084            }
085            return null;
086        }
087    
088        /* (non-Javadoc)
089         * @see org.apache.oozie.command.XCommand#getEntityKey()
090         */
091        @Override
092        public String getEntityKey() {
093            return this.bundleaction.getBundleActionId();
094        }
095    
096        /* (non-Javadoc)
097         * @see org.apache.oozie.command.XCommand#isLockRequired()
098         */
099        @Override
100        protected boolean isLockRequired() {
101            return true;
102        }
103    
104        /* (non-Javadoc)
105         * @see org.apache.oozie.command.XCommand#eagerLoadState()
106         */
107        @Override
108        protected void eagerLoadState() throws CommandException{
109            loadState();
110        }
111    
112        /* (non-Javadoc)
113         * @see org.apache.oozie.command.XCommand#loadState()
114         */
115        @Override
116        protected void loadState() throws CommandException {
117            try {
118                if (jpaService == null) {
119                    jpaService = Services.get().get(JPAService.class);
120                }
121    
122                if (jpaService != null) {
123                    this.bundleaction = jpaService.execute(new BundleActionGetJPAExecutor(coordjob.getBundleId(), coordjob
124                            .getAppName()));
125                }
126                else {
127                    throw new CommandException(ErrorCode.E0610);
128                }
129            }
130            catch (XException ex) {
131                throw new CommandException(ex);
132            }
133        }
134    
135        /* (non-Javadoc)
136         * @see org.apache.oozie.command.XCommand#verifyPrecondition()
137         */
138        @Override
139        protected void verifyPrecondition() throws CommandException, PreconditionException {
140            if (bundleaction.getStatusStr().compareToIgnoreCase(prevStatus.toString()) != 0) {
141                // Previous status are not matched with bundle action status
142                // So that's the error and we should not be updating the Bundle Action status
143                // however we need to decrement the pending flag.
144                if (bundleaction.isPending()) {
145                    bundleaction.decrementAndGetPending();
146                }
147                bundleaction.setLastModifiedTime(new Date());
148                try {
149                    jpaService.execute(new BundleActionUpdateJPAExecutor(bundleaction));
150                }
151                catch (JPAExecutorException je) {
152                    throw new CommandException(je);
153                }
154                LOG.info("Bundle action [{0}] status [{1}] is different from prev coord status [{2}], decrement pending so new pending = [{3}]",
155                                bundleaction.getBundleActionId(), bundleaction.getStatusStr(), prevStatus.toString(),
156                                bundleaction.getPending());
157                throw new PreconditionException(ErrorCode.E1308, bundleaction.getStatusStr(), prevStatus.toString());
158            }
159        }
160    
161    }