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.SQLException;
021import java.util.ArrayList;
022import java.util.List;
023
024import javax.persistence.EntityManager;
025import javax.persistence.Query;
026
027import org.apache.oozie.ErrorCode;
028import org.apache.oozie.WorkflowActionBean;
029import org.apache.oozie.util.ParamChecker;
030
031/**
032 * Load the list of WorkflowAction for a WorkflowJob and return the list.
033 */
034public class WorkflowActionsGetForJobJPAExecutor implements JPAExecutor<List<WorkflowActionBean>> {
035
036    private String wfJobId = null;
037
038    public WorkflowActionsGetForJobJPAExecutor(String wfJobId) {
039        ParamChecker.notNull(wfJobId, "wfJobId");
040        this.wfJobId = wfJobId;
041    }
042
043    /* (non-Javadoc)
044     * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
045     */
046    @Override
047    public String getName() {
048        return "WorkflowActionsGetForJobJPAExecutor";
049    }
050
051    /* (non-Javadoc)
052     * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
053     */
054    @Override
055    @SuppressWarnings("unchecked")
056    public List<WorkflowActionBean> execute(EntityManager em) throws JPAExecutorException {
057        List<WorkflowActionBean> actions;
058        try {
059            Query q = em.createNamedQuery("GET_ACTIONS_FOR_WORKFLOW");
060            q.setParameter("wfId", wfJobId);
061            actions = q.getResultList();
062        }
063        catch (Exception e) {
064            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
065        }
066        return actions;
067    }
068}