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 * Retrieve the name of the user submitting the bundle job
029 *
030 */
031public class BundleJobGetForUserJPAExecutor implements JPAExecutor<String> {
032
033    private String bundleJobId = null;
034
035    public BundleJobGetForUserJPAExecutor(String bundleJobId) {
036        ParamChecker.notNull(bundleJobId, "bundleJobId");
037        this.bundleJobId = bundleJobId;
038    }
039
040    /*
041     * (non-Javadoc)
042     *
043     * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
044     */
045    public String getName() {
046        return "BundleJobGetForUserJPAExecutor";
047    }
048
049    /*
050     * (non-Javadoc)
051     *
052     * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.
053     * EntityManager)
054     */
055    @Override
056    public String execute(EntityManager em) throws JPAExecutorException {
057        try {
058            Query q = em.createNamedQuery("GET_BUNDLE_JOB_FOR_USER");
059            q.setParameter("id", bundleJobId);
060            String user = (String) q.getSingleResult();
061            return user;
062        }
063        catch (Exception e) {
064            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
065        }
066    }
067
068}