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
019package org.apache.oozie.executor.jpa;
020
021import java.sql.Timestamp;
022import java.util.ArrayList;
023import java.util.List;
024
025import javax.persistence.EntityManager;
026import javax.persistence.Query;
027
028import org.apache.oozie.CoordinatorActionBean;
029import org.apache.oozie.ErrorCode;
030
031/**
032 * Load the list of running CoordinatorAction and return the list.
033 */
034public class CoordActionsRunningGetJPAExecutor implements JPAExecutor<List<String>> {
035
036    private final long checkAgeSecs;
037
038    public CoordActionsRunningGetJPAExecutor(long 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 "CoordActionsRunningGetJPAExecutor";
048    }
049
050    /* (non-Javadoc)
051     * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
052     */
053    @Override
054    @SuppressWarnings("unchecked")
055    public List<String> execute(EntityManager em) throws JPAExecutorException {
056        try {
057            Timestamp ts = new Timestamp(System.currentTimeMillis() - checkAgeSecs * 1000);
058            Query q = em.createNamedQuery("GET_RUNNING_ACTIONS_OLDER_THAN");
059            q.setParameter("lastModifiedTime", ts);
060            List<String> coordActionIds = q.getResultList();
061            return coordActionIds;
062        }
063        catch (Exception e) {
064            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
065        }
066    }
067
068}