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 Bundle Jobs that are are RUNNING or RUNNINGWITHERROR status or the pending flag is 1. The result is ordered by lastModifiedTimestamp. 031 */ 032public class BundleJobsGetRunningOrPendingJPAExecutor implements JPAExecutor<List<BundleJobBean>> { 033 private int limit; 034 035 public BundleJobsGetRunningOrPendingJPAExecutor(int limit) { 036 this.limit = limit; 037 } 038 039 /* (non-Javadoc) 040 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() 041 */ 042 @Override 043 public String getName() { 044 return "BundleJobsGetRunningOrPendingJPAExecutor"; 045 } 046 047 /* (non-Javadoc) 048 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 049 */ 050 @Override 051 @SuppressWarnings("unchecked") 052 public List<BundleJobBean> execute(EntityManager em) throws JPAExecutorException { 053 List<BundleJobBean> bjBeans; 054 try { 055 Query q = em.createNamedQuery("GET_BUNDLE_JOBS_RUNNING_OR_PENDING"); 056 if (limit > 0) { 057 q.setMaxResults(limit); 058 } 059 bjBeans = q.getResultList(); 060 } 061 catch (Exception e) { 062 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 063 } 064 return bjBeans; 065 } 066}