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.List; 021 022import javax.persistence.EntityManager; 023import javax.persistence.Query; 024 025import org.apache.oozie.ErrorCode; 026 027/** 028 * Load the list of WorkflowJob with the passed in coordinator parentId. The parent id field for a workflow with a coordinator 029 * parent is the id of the coordinator action, not the coordinator job. So, we have to use a wildcard to match (coordinator action 030 * ids start with the coordinator job id). 031 */ 032public class WorkflowJobsGetFromCoordParentIdJPAExecutor implements JPAExecutor<List<String>> { 033 034 private String parentId; 035 private int limit; 036 private int offset; 037 038 public WorkflowJobsGetFromCoordParentIdJPAExecutor(String parentId, int limit) { 039 this(parentId, 0, limit); 040 } 041 042 public WorkflowJobsGetFromCoordParentIdJPAExecutor(String parentId, int offset, int limit) { 043 this.parentId = parentId; 044 this.offset = offset; 045 this.limit = limit; 046 } 047 048 @Override 049 public String getName() { 050 return "WorkflowJobsGetFromCoordParentIdJPAExecutor"; 051 } 052 053 @Override 054 @SuppressWarnings("unchecked") 055 public List<String> execute(EntityManager em) throws JPAExecutorException { 056 List<String> workflows = null; 057 try { 058 Query jobQ = em.createNamedQuery("GET_WORKFLOWS_WITH_COORD_PARENT_ID"); 059 jobQ.setParameter("parentId", parentId + "%"); // The '%' is the wildcard 060 jobQ.setMaxResults(limit); 061 jobQ.setFirstResult(offset); 062 workflows = jobQ.getResultList(); 063 } 064 catch (Exception e) { 065 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 066 } 067 return workflows; 068 } 069 070}