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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 javax.persistence.EntityManager;
021 import javax.persistence.Query;
022
023 import org.apache.oozie.ErrorCode;
024 import org.apache.oozie.util.ParamChecker;
025
026 /**
027 * Deletes the coordinator action if its in WAITING or READY state.
028 */
029 public class CoordActionRemoveJPAExecutor implements JPAExecutor<Void> {
030
031 // private CoordinatorActionBean coordAction = null;
032 private String coordActionId = null;
033
034 /**
035 * Constructor which records coordinator action id.
036 *
037 * @param coordAction
038 */
039 public CoordActionRemoveJPAExecutor(String coordActionId) {
040 ParamChecker.notNull(coordActionId, "coordActionId");
041 this.coordActionId = coordActionId;
042 }
043
044 /* (non-Javadoc)
045 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
046 */
047 @Override
048 public Void execute(EntityManager em) throws JPAExecutorException {
049 Query g = em.createNamedQuery("DELETE_UNSCHEDULED_ACTION");
050 g.setParameter("id", coordActionId);
051 int actionsDeleted;
052 try {
053 actionsDeleted = g.executeUpdate();
054 } catch (Exception e) {
055 throw new JPAExecutorException(ErrorCode.E0603, e);
056 }
057
058 if (actionsDeleted == 0)
059 throw new JPAExecutorException(ErrorCode.E1022, coordActionId);
060
061 return null;
062 }
063
064 /* (non-Javadoc)
065 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
066 */
067 @Override
068 public String getName() {
069 return "CoordActionRemoveJPAExecutor";
070 }
071 }