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.CoordinatorActionBean; 028import org.apache.oozie.ErrorCode; 029import org.apache.oozie.util.ParamChecker; 030 031/** 032 * Load coordinator actions for a coordinator job. 033 */ 034public class CoordJobGetActionsJPAExecutor implements JPAExecutor<Integer> { 035 036 private String coordJobId = null; 037 038 public CoordJobGetActionsJPAExecutor(String coordJobId) { 039 ParamChecker.notNull(coordJobId, "coordJobId"); 040 this.coordJobId = coordJobId; 041 } 042 043 @Override 044 public String getName() { 045 return "CoordJobGetActionsJPAExecutor"; 046 } 047 048 @Override 049 @SuppressWarnings("unchecked") 050 public Integer execute(EntityManager em) throws JPAExecutorException { 051 try { 052 Query q = em.createNamedQuery("GET_ACTIONS_FOR_COORD_JOB"); 053 q.setParameter("jobId", coordJobId); 054 Long count = (Long) q.getSingleResult(); 055 return Integer.valueOf(count.intValue()); 056 } 057 catch (Exception e) { 058 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 059 } 060 } 061 062}