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.util.List;
021
022import javax.persistence.EntityManager;
023import javax.persistence.Query;
024
025import org.apache.oozie.ErrorCode;
026import org.apache.oozie.WorkflowActionBean;
027import org.apache.oozie.util.ParamChecker;
028
029/**
030 * Load workflow actions for a workflow job.
031 */
032public class WorkflowJobGetActionsJPAExecutor implements JPAExecutor<List<WorkflowActionBean>> {
033
034    private String wfJobId = null;
035
036    public WorkflowJobGetActionsJPAExecutor(String wfJobId) {
037        ParamChecker.notNull(wfJobId, "wfJobId");
038        this.wfJobId = wfJobId;
039    }
040
041    @Override
042    public String getName() {
043        return "WorkflowJobGetActionsJPAExecutor";
044    }
045
046    @Override
047    @SuppressWarnings("unchecked")
048    public List<WorkflowActionBean> execute(EntityManager em) throws JPAExecutorException {
049        List<WorkflowActionBean> actions;
050        try {
051            Query q = em.createNamedQuery("GET_ACTIONS_FOR_WORKFLOW");
052            q.setParameter("wfId", wfJobId);
053            actions = q.getResultList();
054
055        }
056        catch (Exception e) {
057            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
058        }
059        return actions;
060    }
061}