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 */
018package org.apache.oozie.executor.jpa;
019
020import java.sql.Timestamp;
021import java.util.ArrayList;
022import java.util.List;
023
024import javax.persistence.EntityManager;
025import javax.persistence.Query;
026
027import org.apache.oozie.CoordinatorActionBean;
028import org.apache.oozie.ErrorCode;
029import org.apache.oozie.client.CoordinatorAction;
030import org.apache.oozie.util.ParamChecker;
031
032public class CoordActionsGetForRecoveryJPAExecutor implements JPAExecutor<List<CoordinatorActionBean>> {
033
034    private long checkAgeSecs = 0;
035
036    public CoordActionsGetForRecoveryJPAExecutor(final long checkAgeSecs) {
037        ParamChecker.notNull(checkAgeSecs, "checkAgeSecs");
038        this.checkAgeSecs = checkAgeSecs;
039    }
040
041    /* (non-Javadoc)
042     * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
043     */
044    @Override
045    public String getName() {
046        return "CoordActionsGetForRecoveryJPAExecutor";
047    }
048
049    /* (non-Javadoc)
050     * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
051     */
052    @SuppressWarnings("unchecked")
053    @Override
054    public List<CoordinatorActionBean> execute(EntityManager em) throws JPAExecutorException {
055        List<CoordinatorActionBean> allActions = new ArrayList<CoordinatorActionBean>();
056
057        try {
058            Query q = em.createNamedQuery("GET_COORD_ACTIONS_FOR_RECOVERY_OLDER_THAN");
059            Timestamp ts = new Timestamp(System.currentTimeMillis() - this.checkAgeSecs * 1000);
060            q.setParameter("lastModifiedTime", ts);
061            List<Object[]> objectArrList = q.getResultList();
062            for (Object[] arr : objectArrList) {
063                CoordinatorActionBean caa = getBeanForCoordinatorActionFromArrayForRecovery(arr);
064                allActions.add(caa);
065            }
066
067            q = em.createNamedQuery("GET_COORD_ACTIONS_WAITING_SUBMITTED_OLDER_THAN");
068            q.setParameter("lastModifiedTime", ts);
069            objectArrList = q.getResultList();
070            for (Object[] arr : objectArrList) {
071                CoordinatorActionBean caa = getBeanForCoordinatorActionFromArrayForWaiting(arr);
072                allActions.add(caa);
073            }
074
075            return allActions;
076        }
077        catch (IllegalStateException e) {
078            throw new JPAExecutorException(ErrorCode.E0601, e.getMessage(), e);
079        }
080    }
081
082    private CoordinatorActionBean getBeanForCoordinatorActionFromArrayForRecovery(Object[] arr) {
083        CoordinatorActionBean bean = new CoordinatorActionBean();
084        if (arr[0] != null) {
085            bean.setId((String) arr[0]);
086        }
087        if (arr[1] != null){
088            bean.setJobId((String) arr[1]);
089        }
090        if (arr[2] != null) {
091            bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[2]));
092        }
093        if (arr[3] != null) {
094            bean.setExternalId((String) arr[3]);
095        }
096        return bean;
097    }
098
099
100    private CoordinatorActionBean getBeanForCoordinatorActionFromArrayForWaiting(Object[] arr){
101        CoordinatorActionBean bean = new CoordinatorActionBean();
102        if (arr[0] != null) {
103            bean.setId((String) arr[0]);
104        }
105        if (arr[1] != null){
106            bean.setJobId((String) arr[1]);
107        }
108        if (arr[2] != null) {
109            bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[2]));
110        }
111        if (arr[3] != null) {
112            bean.setExternalId((String) arr[3]);
113        }
114        if (arr[4] != null) {
115            bean.setPushMissingDependencies((String) arr[4]);
116        }
117        return bean;
118    }
119
120}