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 org.apache.oozie.ErrorCode;
022
023import javax.persistence.EntityManager;
024import javax.persistence.Query;
025import java.util.List;
026
027public class CoordActionsGetFromCoordJobIdJPAExecutor implements JPAExecutor<List<String>> {
028
029    private String coordId;
030    private int limit;
031    private int offset;
032
033    public CoordActionsGetFromCoordJobIdJPAExecutor(String coordId, int offset, int limit) {
034        this.coordId = coordId;
035        this.offset = offset;
036        this.limit = limit;
037    }
038
039    @Override
040    public String getName() {
041        return "CoordActionsGetFromCoordJobIdJPAExecutor";
042    }
043
044    @Override
045    public List<String> execute(EntityManager em) throws JPAExecutorException {
046        List<String> actions = null;
047        try {
048            Query jobQ = em.createNamedQuery("GET_COORD_ACTIONS_FOR_COORDINATOR");
049            jobQ.setParameter("jobId", coordId);
050            jobQ.setMaxResults(limit);
051            jobQ.setFirstResult(offset);
052            actions = jobQ.getResultList();
053        }
054        catch (Exception e) {
055            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
056        }
057        return actions;
058    }
059}