1 /**
2 * Copyright 2005-2012 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.rice.kns.lookup;
17
18 import java.util.Collection;
19 import java.util.Set;
20
21 import org.kuali.rice.krad.bo.BusinessObject;
22
23 /**
24 * Contract for strategies which can help LokoupResultsService with aspects (mainly id generation and result lookup) of multi value lookup support
25 *
26 * @author Kuali Rice Team (rice.collab@kuali.org)
27 *
28 */
29 public interface LookupResultsSupportStrategyService {
30
31 /**
32 * Returns a list of BOs that were selected.
33 *
34 * This implementation makes an attempt to retrieve all BOs with the given object IDs, unless they have been deleted or the object ID changed.
35 * Since data may have changed since the search, the returned BOs may not match the criteria used to search.
36 *
37 * @param lookupResultsSequenceNumber the sequence number identifying the lookup results in the database
38 * @param boClass the class of the business object to retrieve
39 * @param personId the id of the principal performing this search
40 * @param lookupResultsService an implementation of the lookupResultsService to do some of the dirty work...
41 * @return a Collection of retrieved BusinessObjects
42 * @throws Exception if anything goes wrong...well, just blow up, okay?
43 */
44 public abstract <T extends BusinessObject> Collection<T> retrieveSelectedResultBOs(Class<T> boClass, Set<String> lookupIds) throws Exception;
45
46 /**
47 * Generates a String id which is used as an id on a checkbox for result rows returning the business object in a multiple value lookup
48 *
49 * @param businessObject the lookup to generate an id for
50 * @return the String id
51 */
52 public abstract String getLookupIdForBusinessObject(BusinessObject businessObject);
53
54 /**
55 * Determines if the given class is supported by this strategy
56 *
57 * @param boClass the class to test the determination on
58 * @return true if this strategy supports it, false otherwise
59 */
60 public abstract boolean qualifiesForStrategy(Class<? extends BusinessObject> boClass);
61 }