| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.oozie.executor.jpa; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.Query; |
| |
| import org.apache.oozie.coord.CoordUtils; |
| import org.apache.oozie.CoordinatorEngine.FILTER_COMPARATORS; |
| import org.apache.oozie.ErrorCode; |
| import org.apache.oozie.util.Pair; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| /** |
| * Load the number of running actions for a coordinator job. |
| */ |
| public class CoordActionsCountForJobIdJPAExecutor implements JPAExecutor<Integer> { |
| |
| private String coordJobId = null; |
| private Map<Pair<String, FILTER_COMPARATORS>, List<Object>> filterMap; |
| |
| public CoordActionsCountForJobIdJPAExecutor(String coordJobId, Map<Pair<String, FILTER_COMPARATORS>, List<Object>> filterMap) { |
| Objects.requireNonNull(coordJobId, "coordJobId cannot be null"); |
| this.coordJobId = coordJobId; |
| this.filterMap = filterMap; |
| } |
| |
| @Override |
| public String getName() { |
| return "CoordActionsCountForJobIdJPAExecutor"; |
| } |
| |
| @Override |
| public Integer execute(EntityManager em) throws JPAExecutorException { |
| try { |
| Query q = em.createNamedQuery("GET_COORD_ACTIONS_COUNT_BY_JOBID"); |
| q = setQueryParameters(q, em); |
| Long count = (Long) q.getSingleResult(); |
| return Integer.valueOf(count.intValue()); |
| } |
| catch (Exception e) { |
| throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); |
| } |
| } |
| |
| private Query setQueryParameters(Query q, EntityManager em){ |
| Map<String, Object> params = null; |
| if (filterMap != null) { |
| // Add the filter clause |
| String query = q.toString(); |
| StringBuilder sbTotal = new StringBuilder(query); |
| // Get the 'where' clause for status filters |
| StringBuilder statusClause = new StringBuilder(); |
| params = CoordUtils.getWhereClause(statusClause, filterMap); |
| sbTotal.insert(sbTotal.length(), statusClause); |
| q = em.createQuery(sbTotal.toString()); |
| } |
| if (params != null) { |
| for (String pname : params.keySet()) { |
| q.setParameter(pname, params.get(pname)); |
| } |
| } |
| q.setParameter("jobId", coordJobId); |
| return q; |
| } |
| |
| } |