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 java.util.ArrayList; 022import java.util.List; 023 024import javax.persistence.EntityManager; 025import javax.persistence.Query; 026 027import org.apache.oozie.BundleJobBean; 028import org.apache.oozie.ErrorCode; 029 030/** 031 * Get a list of unpaused bundle Jobs; 032 */ 033public class BundleJobsGetUnpausedJPAExecutor implements JPAExecutor<List<BundleJobBean>> { 034 private int limit; 035 036 public BundleJobsGetUnpausedJPAExecutor(int limit) { 037 this.limit = limit; 038 } 039 040 @Override 041 public String getName() { 042 return "BundleJobsGetUnpausedJPAExecutor"; 043 } 044 045 @Override 046 @SuppressWarnings("unchecked") 047 public List<BundleJobBean> execute(EntityManager em) throws JPAExecutorException { 048 List<BundleJobBean> bjBeans; 049 try { 050 Query q = em.createNamedQuery("GET_BUNDLE_JOBS_UNPAUSED"); 051 if (limit > 0) { 052 q.setMaxResults(limit); 053 } 054 bjBeans = q.getResultList(); 055 } 056 catch (Exception e) { 057 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 058 } 059 return bjBeans; 060 } 061}