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.List; 022 023import javax.persistence.EntityManager; 024import javax.persistence.Query; 025 026import org.apache.oozie.ErrorCode; 027 028/** 029 * Load the list of WorkflowJob with the passed in coordinator parentId. The parent id field for a workflow with a coordinator 030 * parent is the id of the coordinator action, not the coordinator job. So, we have to use a wildcard to match (coordinator action 031 * ids start with the coordinator job id). 032 */ 033public class WorkflowJobsGetFromCoordParentIdJPAExecutor implements JPAExecutor<List<String>> { 034 035 private String parentId; 036 private int limit; 037 private int offset; 038 039 public WorkflowJobsGetFromCoordParentIdJPAExecutor(String parentId, int limit) { 040 this(parentId, 0, limit); 041 } 042 043 public WorkflowJobsGetFromCoordParentIdJPAExecutor(String parentId, int offset, int limit) { 044 this.parentId = parentId; 045 this.offset = offset; 046 this.limit = limit; 047 } 048 049 @Override 050 public String getName() { 051 return "WorkflowJobsGetFromCoordParentIdJPAExecutor"; 052 } 053 054 @Override 055 @SuppressWarnings("unchecked") 056 public List<String> execute(EntityManager em) throws JPAExecutorException { 057 List<String> workflows = null; 058 try { 059 Query jobQ = em.createNamedQuery("GET_WORKFLOWS_WITH_COORD_PARENT_ID"); 060 jobQ.setParameter("parentId", parentId + "%"); // The '%' is the wildcard 061 jobQ.setMaxResults(limit); 062 jobQ.setFirstResult(offset); 063 workflows = jobQ.getResultList(); 064 } 065 catch (Exception e) { 066 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 067 } 068 return workflows; 069 } 070 071}