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 javax.persistence.EntityManager;
022import javax.persistence.Query;
023
024import org.apache.oozie.ErrorCode;
025import org.apache.oozie.util.ParamChecker;
026
027/**
028 * Load the CoordinatorJob into a Bean and return it.
029 */
030public class CoordJobGetActionByActionNumberJPAExecutor implements JPAExecutor<String> {
031
032    private String coordJobId = null;
033    private final int actionNumber;
034
035    public CoordJobGetActionByActionNumberJPAExecutor(String coordJobId, int actionNumber) {
036        ParamChecker.notNull(coordJobId, "coordJobId");
037        this.coordJobId = coordJobId;
038        this.actionNumber = actionNumber;
039    }
040
041    /* (non-Javadoc)
042     * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
043     */
044    @Override
045    public String getName() {
046        return "CoordJobGetActionByActionNumberJPAExecutor";
047    }
048
049    /* (non-Javadoc)
050     * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
051     */
052    @Override
053    public String execute(EntityManager em) throws JPAExecutorException {
054        try {
055            Query q = em.createNamedQuery("GET_COORD_ACTION_FOR_COORD_JOB_BY_ACTION_NUMBER");
056            q.setParameter("jobId", coordJobId);
057            q.setParameter("actionNumber", actionNumber);
058            String actionId = (String) q.getSingleResult();
059            return actionId;
060        }
061        catch (Exception e) {
062            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
063        }
064    }
065}