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.StringBlob;
030import org.apache.oozie.client.CoordinatorAction;
031import org.apache.oozie.util.ParamChecker;
032
033public class CoordActionsGetForRecoveryJPAExecutor implements JPAExecutor<List<CoordinatorActionBean>> {
034
035    private long checkAgeSecs = 0;
036
037    public CoordActionsGetForRecoveryJPAExecutor(final long checkAgeSecs) {
038        ParamChecker.notNull(checkAgeSecs, "checkAgeSecs");
039        this.checkAgeSecs = checkAgeSecs;
040    }
041
042    /* (non-Javadoc)
043     * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
044     */
045    @Override
046    public String getName() {
047        return "CoordActionsGetForRecoveryJPAExecutor";
048    }
049
050    /* (non-Javadoc)
051     * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
052     */
053    @SuppressWarnings("unchecked")
054    @Override
055    public List<CoordinatorActionBean> execute(EntityManager em) throws JPAExecutorException {
056        List<CoordinatorActionBean> allActions = new ArrayList<CoordinatorActionBean>();
057
058        try {
059            Query q = em.createNamedQuery("GET_COORD_ACTIONS_FOR_RECOVERY_OLDER_THAN");
060            Timestamp ts = new Timestamp(System.currentTimeMillis() - this.checkAgeSecs * 1000);
061            q.setParameter("lastModifiedTime", ts);
062            List<Object[]> objectArrList = q.getResultList();
063            for (Object[] arr : objectArrList) {
064                CoordinatorActionBean caa = getBeanForCoordinatorActionFromArrayForRecovery(arr);
065                allActions.add(caa);
066            }
067
068            q = em.createNamedQuery("GET_COORD_ACTIONS_WAITING_SUBMITTED_OLDER_THAN");
069            q.setParameter("lastModifiedTime", ts);
070            objectArrList = q.getResultList();
071            for (Object[] arr : objectArrList) {
072                CoordinatorActionBean caa = getBeanForCoordinatorActionFromArrayForWaiting(arr);
073                allActions.add(caa);
074            }
075
076            return allActions;
077        }
078        catch (IllegalStateException e) {
079            throw new JPAExecutorException(ErrorCode.E0601, e.getMessage(), e);
080        }
081    }
082
083    private CoordinatorActionBean getBeanForCoordinatorActionFromArrayForRecovery(Object[] arr) {
084        CoordinatorActionBean bean = new CoordinatorActionBean();
085        if (arr[0] != null) {
086            bean.setId((String) arr[0]);
087        }
088        if (arr[1] != null){
089            bean.setJobId((String) arr[1]);
090        }
091        if (arr[2] != null) {
092            bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[2]));
093        }
094        if (arr[3] != null) {
095            bean.setExternalId((String) arr[3]);
096        }
097        if (arr[4] != null) {
098            bean.setPending((Integer) arr[4]);
099        }
100        return bean;
101    }
102
103
104    private CoordinatorActionBean getBeanForCoordinatorActionFromArrayForWaiting(Object[] arr){
105        CoordinatorActionBean bean = new CoordinatorActionBean();
106        if (arr[0] != null) {
107            bean.setId((String) arr[0]);
108        }
109        if (arr[1] != null){
110            bean.setJobId((String) arr[1]);
111        }
112        if (arr[2] != null) {
113            bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[2]));
114        }
115        if (arr[3] != null) {
116            bean.setExternalId((String) arr[3]);
117        }
118        if (arr[4] != null) {
119            bean.setPushMissingDependenciesBlob((StringBlob) arr[4]);
120        }
121        return bean;
122    }
123
124}