| /** |
| * 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 java.sql.Timestamp; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.Query; |
| |
| import org.apache.oozie.WorkflowJobBean; |
| import org.apache.oozie.WorkflowsInfo; |
| import org.apache.oozie.client.OozieClient; |
| import org.apache.oozie.client.WorkflowJob.Status; |
| import org.apache.openjpa.persistence.OpenJPAPersistence; |
| import org.apache.openjpa.persistence.OpenJPAQuery; |
| import org.apache.openjpa.persistence.jdbc.FetchDirection; |
| import org.apache.openjpa.persistence.jdbc.JDBCFetchPlan; |
| import org.apache.openjpa.persistence.jdbc.LRSSizeAlgorithm; |
| import org.apache.openjpa.persistence.jdbc.ResultSetType; |
| |
| public class WorkflowsJobGetJPAExecutor implements JPAExecutor<WorkflowsInfo> { |
| |
| private static final String seletStr = "Select w.id, w.appName, w.status, w.run, w.user, w.group, w.createdTimestamp, " |
| + "w.startTimestamp, w.lastModifiedTimestamp, w.endTimestamp from WorkflowJobBean w"; |
| private static final String countStr = "Select count(w) from WorkflowJobBean w"; |
| |
| private final Map<String, List<String>> filter; |
| private final int start; |
| private final int len; |
| |
| /** |
| * This JPA Executor gets the workflows info for the range. |
| * |
| * @param filter |
| * @param start |
| * @param len |
| */ |
| public WorkflowsJobGetJPAExecutor(Map<String, List<String>> filter, int start, int len) { |
| this.filter = filter; |
| this.start = start; |
| this.len = len; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) |
| */ |
| @SuppressWarnings("unchecked") |
| @Override |
| public WorkflowsInfo execute(EntityManager em) throws JPAExecutorException { |
| List<String> orArray = new ArrayList<String>(); |
| List<String> colArray = new ArrayList<String>(); |
| List<String> valArray = new ArrayList<String>(); |
| StringBuilder sb = new StringBuilder(""); |
| boolean isStatus = false; |
| boolean isGroup = false; |
| boolean isAppName = false; |
| boolean isUser = false; |
| boolean isEnabled = false; |
| boolean isId = false; |
| int index = 0; |
| for (Map.Entry<String, List<String>> entry : filter.entrySet()) { |
| String colName = null; |
| String colVar = null; |
| if (entry.getKey().equals(OozieClient.FILTER_GROUP)) { |
| List<String> values = filter.get(OozieClient.FILTER_GROUP); |
| colName = "group"; |
| for (int i = 0; i < values.size(); i++) { |
| colVar = "group"; |
| colVar = colVar + index; |
| if (!isEnabled && !isGroup) { |
| sb.append(seletStr).append(" where w.group IN (:group" + index); |
| isGroup = true; |
| isEnabled = true; |
| } |
| else { |
| if (isEnabled && !isGroup) { |
| sb.append(" and w.group IN (:group" + index); |
| isGroup = true; |
| } |
| else { |
| if (isGroup) { |
| sb.append(", :group" + index); |
| } |
| } |
| } |
| if (i == values.size() - 1) { |
| sb.append(")"); |
| } |
| index++; |
| valArray.add(values.get(i)); |
| orArray.add(colName); |
| colArray.add(colVar); |
| } |
| } |
| else { |
| if (entry.getKey().equals(OozieClient.FILTER_STATUS)) { |
| List<String> values = filter.get(OozieClient.FILTER_STATUS); |
| colName = "status"; |
| for (int i = 0; i < values.size(); i++) { |
| colVar = "status"; |
| colVar = colVar + index; |
| if (!isEnabled && !isStatus) { |
| sb.append(seletStr).append(" where w.status IN (:status" + index); |
| isStatus = true; |
| isEnabled = true; |
| } |
| else { |
| if (isEnabled && !isStatus) { |
| sb.append(" and w.status IN (:status" + index); |
| isStatus = true; |
| } |
| else { |
| if (isStatus) { |
| sb.append(", :status" + index); |
| } |
| } |
| } |
| if (i == values.size() - 1) { |
| sb.append(")"); |
| } |
| index++; |
| valArray.add(values.get(i)); |
| orArray.add(colName); |
| colArray.add(colVar); |
| } |
| } |
| else { |
| if (entry.getKey().equals(OozieClient.FILTER_NAME)) { |
| List<String> values = filter.get(OozieClient.FILTER_NAME); |
| colName = "appName"; |
| for (int i = 0; i < values.size(); i++) { |
| colVar = "appName"; |
| colVar = colVar + index; |
| if (!isEnabled && !isAppName) { |
| sb.append(seletStr).append(" where w.appName IN (:appName" + index); |
| isAppName = true; |
| isEnabled = true; |
| } |
| else { |
| if (isEnabled && !isAppName) { |
| sb.append(" and w.appName IN (:appName" + index); |
| isAppName = true; |
| } |
| else { |
| if (isAppName) { |
| sb.append(", :appName" + index); |
| } |
| } |
| } |
| if (i == values.size() - 1) { |
| sb.append(")"); |
| } |
| index++; |
| valArray.add(values.get(i)); |
| orArray.add(colName); |
| colArray.add(colVar); |
| } |
| } |
| else { |
| if (entry.getKey().equals(OozieClient.FILTER_USER)) { |
| List<String> values = filter.get(OozieClient.FILTER_USER); |
| colName = "user"; |
| for (int i = 0; i < values.size(); i++) { |
| colVar = "user"; |
| colVar = colVar + index; |
| if (!isEnabled && !isUser) { |
| sb.append(seletStr).append(" where w.user IN (:user" + index); |
| isUser = true; |
| isEnabled = true; |
| } |
| else { |
| if (isEnabled && !isUser) { |
| sb.append(" and w.user IN (:user" + index); |
| isUser = true; |
| } |
| else { |
| if (isUser) { |
| sb.append(", :user" + index); |
| } |
| } |
| } |
| if (i == values.size() - 1) { |
| sb.append(")"); |
| } |
| index++; |
| valArray.add(values.get(i)); |
| orArray.add(colName); |
| colArray.add(colVar); |
| } |
| } |
| } |
| if (entry.getKey().equals(OozieClient.FILTER_ID)) { |
| List<String> values = filter.get(OozieClient.FILTER_ID); |
| colName = "id"; |
| for (int i = 0; i < values.size(); i++) { |
| colVar = "id"; |
| colVar = colVar + index; |
| if (!isEnabled && !isId) { |
| sb.append(seletStr).append(" where w.id IN (:id" + index); |
| isId = true; |
| isEnabled = true; |
| } |
| else { |
| if (isEnabled && !isId) { |
| sb.append(" and w.id IN (:id" + index); |
| isId = true; |
| } |
| else { |
| if (isId) { |
| sb.append(", :id" + index); |
| } |
| } |
| } |
| if (i == values.size() - 1) { |
| sb.append(")"); |
| } |
| index++; |
| valArray.add(values.get(i)); |
| orArray.add(colName); |
| colArray.add(colVar); |
| } |
| } |
| } |
| } |
| } |
| |
| int realLen = 0; |
| |
| Query q = null; |
| Query qTotal = null; |
| if (orArray.size() == 0) { |
| q = em.createNamedQuery("GET_WORKFLOWS_COLUMNS"); |
| q.setFirstResult(start - 1); |
| q.setMaxResults(len); |
| qTotal = em.createNamedQuery("GET_WORKFLOWS_COUNT"); |
| } |
| else { |
| if (orArray.size() > 0) { |
| StringBuilder sbTotal = new StringBuilder(sb); |
| sb.append(" order by w.startTimestamp desc "); |
| q = em.createQuery(sb.toString()); |
| q.setFirstResult(start - 1); |
| q.setMaxResults(len); |
| qTotal = em.createQuery(sbTotal.toString().replace(seletStr, countStr)); |
| for (int i = 0; i < orArray.size(); i++) { |
| q.setParameter(colArray.get(i), valArray.get(i)); |
| qTotal.setParameter(colArray.get(i), valArray.get(i)); |
| } |
| } |
| } |
| |
| OpenJPAQuery kq = OpenJPAPersistence.cast(q); |
| JDBCFetchPlan fetch = (JDBCFetchPlan) kq.getFetchPlan(); |
| fetch.setFetchBatchSize(20); |
| fetch.setResultSetType(ResultSetType.SCROLL_INSENSITIVE); |
| fetch.setFetchDirection(FetchDirection.FORWARD); |
| fetch.setLRSSizeAlgorithm(LRSSizeAlgorithm.LAST); |
| List<?> resultList = q.getResultList(); |
| List<Object[]> objectArrList = (List<Object[]>) resultList; |
| List<WorkflowJobBean> wfBeansList = new ArrayList<WorkflowJobBean>(); |
| |
| for (Object[] arr : objectArrList) { |
| WorkflowJobBean ww = getBeanForWorkflowFromArray(arr); |
| wfBeansList.add(ww); |
| } |
| |
| realLen = ((Long) qTotal.getSingleResult()).intValue(); |
| |
| return new WorkflowsInfo(wfBeansList, start, len, realLen); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() |
| */ |
| @Override |
| public String getName() { |
| return "WorkflowsJobGetJPAExecutor"; |
| } |
| |
| private WorkflowJobBean getBeanForWorkflowFromArray(Object[] arr) { |
| |
| WorkflowJobBean wfBean = new WorkflowJobBean(); |
| wfBean.setId((String) arr[0]); |
| if (arr[1] != null) { |
| wfBean.setAppName((String) arr[1]); |
| } |
| if (arr[2] != null) { |
| wfBean.setStatus(Status.valueOf((String) arr[2])); |
| } |
| if (arr[3] != null) { |
| wfBean.setRun((Integer) arr[3]); |
| } |
| if (arr[4] != null) { |
| wfBean.setUser((String) arr[4]); |
| } |
| if (arr[5] != null) { |
| wfBean.setGroup((String) arr[5]); |
| } |
| if (arr[6] != null) { |
| wfBean.setCreatedTime((Timestamp) arr[6]); |
| } |
| if (arr[7] != null) { |
| wfBean.setStartTime((Timestamp) arr[7]); |
| } |
| if (arr[8] != null) { |
| wfBean.setLastModifiedTime((Timestamp) arr[8]); |
| } |
| if (arr[9] != null) { |
| wfBean.setEndTime((Timestamp) arr[9]); |
| } |
| return wfBean; |
| } |
| } |
