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1   /**
2    * Copyright 2005-2011 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.kns.lookup;
17  
18  import java.util.Collection;
19  import java.util.HashMap;
20  import java.util.Map;
21  import java.util.Set;
22  
23  import org.kuali.rice.kns.lookup.LookupResultsSupportStrategyService;
24  import org.kuali.rice.krad.bo.BusinessObject;
25  import org.kuali.rice.krad.bo.PersistableBusinessObject;
26  import org.kuali.rice.krad.service.BusinessObjectService;
27  import org.kuali.rice.krad.util.KRADPropertyConstants;
28  
29  /**
30   * The LookupResultsSupportStrategyService implementation which supports PersistableBusinessObjects, simply enough 
31   * 
32   * @author Kuali Rice Team (rice.collab@kuali.org)
33   *
34   */
35  public class PersistableBusinessObjectLookupResultsSupportStrategyImpl
36  		implements LookupResultsSupportStrategyService {
37  	
38  	private BusinessObjectService businessObjectService;
39  
40  	/**
41  	 * Returns the object id
42  	 * 
43  	 * @see org.kuali.rice.kns.lookup.LookupResultsSupportStrategyService#getLookupIdForBusinessObject(org.kuali.rice.krad.bo.BusinessObject)
44  	 */
45  	public String getLookupIdForBusinessObject(BusinessObject businessObject) {
46  		PersistableBusinessObject pbo = (PersistableBusinessObject)businessObject;
47  		return pbo.getObjectId(); 
48  	}
49  
50  	/**
51  	 * Uses the BusinessObjectService to retrieve a collection of PersistableBusinessObjects
52  	 * 
53  	 * @see org.kuali.rice.kns.lookup.LookupResultsSupportStrategyService#retrieveSelectedResultBOs(java.lang.String, java.lang.Class, java.lang.String)
54  	 */
55  	public <T extends BusinessObject> Collection<T> retrieveSelectedResultBOs(Class<T> boClass, Set<String> lookupIds)
56  			throws Exception {
57  		
58          Map<String, Collection<String>> queryCriteria = new HashMap<String, Collection<String>>();
59          queryCriteria.put(KRADPropertyConstants.OBJECT_ID, lookupIds);
60          return getBusinessObjectService().findMatching(boClass, queryCriteria);
61  	}
62  	
63  
64  	/**
65  	 * Sees if the class implements the PersistableBusinessObject interface; if so, then yes, the BO qualifies!
66  	 * @see org.kuali.rice.kns.lookup.LookupResultsSupportStrategyService#qualifiesForStrategy(java.lang.Class)
67  	 */
68  	public boolean qualifiesForStrategy(Class<? extends BusinessObject> boClass) {
69  		return PersistableBusinessObject.class.isAssignableFrom(boClass);
70  	}
71  
72  	/**
73  	 * @return the businessObjectService
74  	 */
75  	public BusinessObjectService getBusinessObjectService() {
76  		return this.businessObjectService;
77  	}
78  
79  	/**
80  	 * @param businessObjectService the businessObjectService to set
81  	 */
82  	public void setBusinessObjectService(BusinessObjectService businessObjectService) {
83  		this.businessObjectService = businessObjectService;
84  	}
85  }