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.ArrayList; 021import java.util.List; 022 023import javax.persistence.EntityManager; 024import javax.persistence.Query; 025 026import org.apache.oozie.BundleJobBean; 027import org.apache.oozie.ErrorCode; 028 029/** 030 * Get a list of paused bundle Jobs; 031 */ 032public class BundleJobsGetPausedJPAExecutor implements JPAExecutor<List<BundleJobBean>> { 033 private int limit; 034 035 public BundleJobsGetPausedJPAExecutor(int limit) { 036 this.limit = limit; 037 } 038 039 @Override 040 public String getName() { 041 return "BundleJobsGetPausedJPAExecutor"; 042 } 043 044 @Override 045 @SuppressWarnings("unchecked") 046 public List<BundleJobBean> execute(EntityManager em) throws JPAExecutorException { 047 List<BundleJobBean> bjBeans; 048 try { 049 Query q = em.createNamedQuery("GET_BUNDLE_JOBS_PAUSED"); 050 if (limit > 0) { 051 q.setMaxResults(limit); 052 } 053 bjBeans = q.getResultList(); 054 055 } 056 catch (Exception e) { 057 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 058 } 059 return bjBeans; 060 } 061}