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1   /**
2    * Copyright 2004-2012 The Kuali Foundation
3    *
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.opensource.org/licenses/ecl2.php
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.hr.time.task.dao;
17  
18  import java.sql.Date;
19  import java.util.ArrayList;
20  import java.util.Collection;
21  import java.util.List;
22  
23  import org.apache.commons.lang.StringUtils;
24  import org.apache.ojb.broker.query.Criteria;
25  import org.apache.ojb.broker.query.Query;
26  import org.apache.ojb.broker.query.QueryFactory;
27  import org.apache.ojb.broker.query.ReportQueryByCriteria;
28  import org.kuali.hr.time.task.Task;
29  import org.kuali.hr.time.util.TKUtils;
30  import org.kuali.rice.core.framework.persistence.ojb.dao.PlatformAwareDaoBaseOjb;
31  
32  public class TaskDaoSpringOjbImpl extends PlatformAwareDaoBaseOjb implements TaskDao {
33  
34      @Override
35      public Task getMaxTask() {
36          Criteria root = new Criteria();
37          Criteria crit = new Criteria();
38  
39          ReportQueryByCriteria taskNumberSubQuery = QueryFactory.newReportQuery(Task.class, crit);
40          taskNumberSubQuery.setAttributes(new String[]{"max(task)"});
41  
42          root.addEqualTo("task", taskNumberSubQuery);
43  
44          Query query = QueryFactory.newQuery(Task.class, root);
45          return (Task) this.getPersistenceBrokerTemplate().getObjectByQuery(query);
46      }
47  
48      @Override
49      public Task getTask(Long task, Date asOfDate) {
50          Criteria root = new Criteria();
51          Criteria effdt = new Criteria();
52          Criteria timestamp = new Criteria();
53  
54          effdt.addEqualToField("task", Criteria.PARENT_QUERY_PREFIX + "task");
55          effdt.addLessOrEqualThan("effectiveDate", asOfDate);
56          ReportQueryByCriteria effdtSubQuery = QueryFactory.newReportQuery(Task.class, effdt);
57          effdtSubQuery.setAttributes(new String[]{"max(effdt)"});
58  
59          timestamp.addEqualToField("task", Criteria.PARENT_QUERY_PREFIX + "task");
60          timestamp.addEqualToField("effectiveDate", Criteria.PARENT_QUERY_PREFIX + "effectiveDate");
61          ReportQueryByCriteria timestampSubQuery = QueryFactory.newReportQuery(Task.class, timestamp);
62          timestampSubQuery.setAttributes(new String[]{"max(timestamp)"});
63  
64          root.addEqualTo("task", task);
65          root.addEqualTo("effectiveDate", effdtSubQuery);
66          root.addEqualTo("timestamp", timestampSubQuery);
67  
68          Criteria activeFilter = new Criteria(); // Inner Join For Activity
69          activeFilter.addEqualTo("active", true);
70          root.addAndCriteria(activeFilter);
71  
72          Task t = null;
73          Query query = QueryFactory.newQuery(Task.class, root);
74          Object obj = this.getPersistenceBrokerTemplate().getObjectByQuery(query);
75          if (obj instanceof Task)
76              t = (Task) obj;
77  
78          return t;
79      }
80  
81      @Override
82      public void saveOrUpdate(Task task) {
83          this.getPersistenceBrokerTemplate().store(task);
84      }
85  
86      @Override
87      public void saveOrUpdate(List<Task> tasks) {
88          for (Task task : tasks)
89              this.getPersistenceBrokerTemplate().store(task);
90      }
91  
92      @Override
93      public List<Task> getTasks(Long task, String description, Long workArea, String workAreaDesc, Date fromEffdt, Date toEffdt) {
94          Criteria crit = new Criteria();
95          Criteria effdt = new Criteria();
96          Criteria timestamp = new Criteria();
97  
98          List<Task> results = new ArrayList<Task>();
99  
100         if (task != null) {
101             crit.addLike("task", task);
102         }
103         if (StringUtils.isNotEmpty(description)) {
104             crit.addLike("description", description);
105         }
106         if (workArea != null) {
107             crit.addEqualTo("workArea", workArea);
108         }
109         if (fromEffdt != null) {
110             crit.addGreaterOrEqualThan("effectiveDate", fromEffdt);
111         }
112         if (toEffdt != null) {
113             crit.addLessOrEqualThan("effectiveDate", toEffdt);
114         } else {
115             crit.addLessOrEqualThan("effectiveDate", TKUtils.getCurrentDate());
116         }
117 
118         effdt.addEqualToField("task", Criteria.PARENT_QUERY_PREFIX + "task");
119         if (toEffdt != null) {
120             effdt.addLessOrEqualThan("effectiveDate", toEffdt);
121         }
122         ReportQueryByCriteria effdtSubQuery = QueryFactory.newReportQuery(Task.class, effdt);
123         effdtSubQuery.setAttributes(new String[]{"max(effdt)"});
124 
125         timestamp.addEqualToField("task", Criteria.PARENT_QUERY_PREFIX + "task");
126         timestamp.addEqualToField("effectiveDate", Criteria.PARENT_QUERY_PREFIX + "effectiveDate");
127         ReportQueryByCriteria timestampSubQuery = QueryFactory.newReportQuery(Task.class, timestamp);
128         timestampSubQuery.setAttributes(new String[]{"max(timestamp)"});
129 
130         crit.addEqualTo("effectiveDate", effdtSubQuery);
131         crit.addEqualTo("timestamp", timestampSubQuery);
132 
133         Criteria activeFilter = new Criteria(); // Inner Join For Activity
134         activeFilter.addEqualTo("active", true);
135         crit.addAndCriteria(activeFilter);
136 
137         Query query = QueryFactory.newQuery(Task.class, crit);
138         Collection c = this.getPersistenceBrokerTemplate().getCollectionByQuery(query);
139         results.addAll(c);
140 
141         return results;
142     }
143    
144     @Override
145     public int getTaskCount(Long task) {
146     	Criteria crit = new Criteria();
147 		crit.addEqualTo("task",task);
148 		Query query = QueryFactory.newQuery(Task.class, crit);
149 		return this.getPersistenceBrokerTemplate().getCount(query);
150     }
151 }