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.sql.Timestamp; 022import java.util.ArrayList; 023import java.util.List; 024 025import javax.persistence.EntityManager; 026import javax.persistence.Query; 027 028import org.apache.oozie.CoordinatorActionBean; 029import org.apache.oozie.ErrorCode; 030 031/** 032 * Load the list of running CoordinatorAction and return the list. 033 */ 034public class CoordActionsRunningGetJPAExecutor implements JPAExecutor<List<String>> { 035 036 private final long checkAgeSecs; 037 038 public CoordActionsRunningGetJPAExecutor(long checkAgeSecs) { 039 this.checkAgeSecs = checkAgeSecs; 040 } 041 042 /* (non-Javadoc) 043 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() 044 */ 045 @Override 046 public String getName() { 047 return "CoordActionsRunningGetJPAExecutor"; 048 } 049 050 /* (non-Javadoc) 051 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 052 */ 053 @Override 054 @SuppressWarnings("unchecked") 055 public List<String> execute(EntityManager em) throws JPAExecutorException { 056 try { 057 Timestamp ts = new Timestamp(System.currentTimeMillis() - checkAgeSecs * 1000); 058 Query q = em.createNamedQuery("GET_RUNNING_ACTIONS_OLDER_THAN"); 059 q.setParameter("lastModifiedTime", ts); 060 List<String> coordActionIds = q.getResultList(); 061 return coordActionIds; 062 } 063 catch (Exception e) { 064 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 065 } 066 } 067 068}