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1   /**
2    * Copyright 2005-2016 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.rice.kew.rule.dao.impl;
17  
18  import org.apache.commons.lang.StringUtils;
19  import org.kuali.rice.core.api.criteria.OrderByField;
20  import org.kuali.rice.core.api.criteria.OrderDirection;
21  import org.kuali.rice.core.api.criteria.Predicate;
22  import org.kuali.rice.core.api.criteria.QueryResults;
23  import org.kuali.rice.kew.rule.bo.RuleTemplateBo;
24  import org.kuali.rice.kew.rule.dao.RuleTemplateDAO;
25  import org.kuali.rice.krad.data.DataObjectService;
26  import org.kuali.rice.krad.data.PersistenceOption;
27  import org.kuali.rice.krad.data.platform.MaxValueIncrementerFactory;
28  import org.springframework.beans.factory.annotation.Required;
29  import org.springframework.jdbc.support.incrementer.DataFieldMaxValueIncrementer;
30  
31  import javax.persistence.EntityManager;
32  import javax.sql.DataSource;
33  import java.util.ArrayList;
34  import java.util.List;
35  
36  import static org.kuali.rice.core.api.criteria.PredicateFactory.equal;
37  import static org.kuali.rice.core.api.criteria.PredicateFactory.likeIgnoreCase;
38  
39  
40  public class RuleTemplateDAOJpa implements RuleTemplateDAO {
41  
42      private static final String SEQUENCE_NAME = "KREW_RTE_TMPL_S";
43  
44  	private EntityManager entityManager;
45      private DataObjectService dataObjectService;
46  
47      private DataSource dataSource;
48  	
49      public List<RuleTemplateBo> findAll() {
50          org.kuali.rice.core.api.criteria.QueryByCriteria.Builder builder =
51                  org.kuali.rice.core.api.criteria.QueryByCriteria.Builder.create();
52  
53          return getDataObjectService().findMatching(RuleTemplateBo.class,builder.build()).getResults();
54      }
55  
56      public RuleTemplateBo findByRuleTemplateName(String ruleTemplateName) {
57          if (StringUtils.isBlank(ruleTemplateName)) {
58          	return null;
59          }
60  
61          org.kuali.rice.core.api.criteria.QueryByCriteria.Builder builder =
62                  org.kuali.rice.core.api.criteria.QueryByCriteria.Builder.create();
63          builder.setPredicates(equal("name",ruleTemplateName));
64          builder.setOrderByFields(OrderByField.Builder.create("name", OrderDirection.DESCENDING).build());
65  
66          QueryResults<RuleTemplateBo> ruleTemplates = getDataObjectService().findMatching(RuleTemplateBo.class,builder.build());
67  
68          if(ruleTemplates==null || ruleTemplates.getResults() == null || ruleTemplates.getResults().isEmpty()){
69          	return null;
70          }
71          return (RuleTemplateBo) ruleTemplates.getResults().get(0);
72      }
73  
74      public List<RuleTemplateBo> findByRuleTemplate(RuleTemplateBo ruleTemplate) {
75          org.kuali.rice.core.api.criteria.QueryByCriteria.Builder builder =
76                  org.kuali.rice.core.api.criteria.QueryByCriteria.Builder.create();
77          List<Predicate> predicates = new ArrayList<Predicate>();
78  
79          if (ruleTemplate.getName() != null) {
80            predicates.add(likeIgnoreCase("name",ruleTemplate.getName()));
81          }
82          if (ruleTemplate.getDescription() != null) {
83              predicates.add(likeIgnoreCase("description",ruleTemplate.getDescription()));
84          }
85          Predicate[] preds = predicates.toArray(new Predicate[predicates.size()]);
86          builder.setPredicates(preds);
87          QueryResults<RuleTemplateBo> results = getDataObjectService().
88                      findMatching(RuleTemplateBo.class, builder.build());
89          return results.getResults();
90      }
91  
92      public void delete(String ruleTemplateId) {
93          getDataObjectService().delete(findByRuleTemplateId(ruleTemplateId));
94      }
95  
96      public RuleTemplateBo findByRuleTemplateId(String ruleTemplateId) {
97          return getDataObjectService().find(RuleTemplateBo.class, ruleTemplateId);
98       }
99  
100     public RuleTemplateBo save(RuleTemplateBo ruleTemplate) {
101     	return getDataObjectService().save(ruleTemplate, PersistenceOption.FLUSH);
102     }
103 
104     public String getNextRuleTemplateId() {
105         DataFieldMaxValueIncrementer incrementer = MaxValueIncrementerFactory.getIncrementer(
106                 getDataSource(), SEQUENCE_NAME);
107         return incrementer.nextStringValue();
108     }
109 
110     public EntityManager getEntityManager() {
111         return this.entityManager;
112     }
113 
114     public void setEntityManager(EntityManager entityManager) {
115         this.entityManager = entityManager;
116     }
117 
118     public DataSource getDataSource() {
119         return dataSource;
120     }
121 
122     @Required
123     public void setDataSource(DataSource dataSource) {
124         this.dataSource = dataSource;
125     }
126 
127     public DataObjectService getDataObjectService() {
128         return dataObjectService;
129     }
130 
131     @Required
132     public void setDataObjectService(DataObjectService dataObjectService) {
133         this.dataObjectService = dataObjectService;
134     }
135 }