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 package org.apache.oozie.executor.jpa; 019 020 import java.sql.Timestamp; 021 import java.util.ArrayList; 022 import java.util.List; 023 024 import javax.persistence.EntityManager; 025 import javax.persistence.Query; 026 027 import org.apache.oozie.CoordinatorActionBean; 028 import org.apache.oozie.ErrorCode; 029 030 /** 031 * Load the list of running CoordinatorAction and return the list. 032 */ 033 public class CoordActionsRunningGetJPAExecutor implements JPAExecutor<List<String>> { 034 035 private final long checkAgeSecs; 036 037 public CoordActionsRunningGetJPAExecutor(long checkAgeSecs) { 038 this.checkAgeSecs = checkAgeSecs; 039 } 040 041 /* (non-Javadoc) 042 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() 043 */ 044 @Override 045 public String getName() { 046 return "CoordActionsRunningGetJPAExecutor"; 047 } 048 049 /* (non-Javadoc) 050 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 051 */ 052 @Override 053 @SuppressWarnings("unchecked") 054 public List<String> execute(EntityManager em) throws JPAExecutorException { 055 try { 056 Timestamp ts = new Timestamp(System.currentTimeMillis() - checkAgeSecs * 1000); 057 Query q = em.createNamedQuery("GET_RUNNING_ACTIONS_OLDER_THAN"); 058 q.setParameter("lastModifiedTime", ts); 059 List<String> coordActionIds = q.getResultList(); 060 return coordActionIds; 061 } 062 catch (Exception e) { 063 throw new JPAExecutorException(ErrorCode.E0603, e); 064 } 065 } 066 067 }