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 javax.persistence.EntityManager;
021import javax.persistence.Query;
022
023import org.apache.oozie.ErrorCode;
024import org.apache.oozie.util.ParamChecker;
025
026/**
027 * Retrieve the name of the user submitting the bundle job
028 *
029 */
030public class BundleJobGetForUserJPAExecutor implements JPAExecutor<String> {
031
032    private String bundleJobId = null;
033
034    public BundleJobGetForUserJPAExecutor(String bundleJobId) {
035        ParamChecker.notNull(bundleJobId, "bundleJobId");
036        this.bundleJobId = bundleJobId;
037    }
038
039    /*
040     * (non-Javadoc)
041     *
042     * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
043     */
044    public String getName() {
045        return "BundleJobGetForUserJPAExecutor";
046    }
047
048    /*
049     * (non-Javadoc)
050     *
051     * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.
052     * EntityManager)
053     */
054    @Override
055    public String execute(EntityManager em) throws JPAExecutorException {
056        try {
057            Query q = em.createNamedQuery("GET_BUNDLE_JOB_FOR_USER");
058            q.setParameter("id", bundleJobId);
059            String user = (String) q.getSingleResult();
060            return user;
061        }
062        catch (Exception e) {
063            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
064        }
065    }
066
067}