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1   /**
2    * Copyright 2005-2014 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.core.api.criteria;
17  
18  
19  /**
20   * Base interface for predicates in the form of:
21   * 
22   * <tt>EXISTS ( SELECT 1 FROM xxxxx WHERE a = b ... )</tt>
23   * 
24   * @author Kuali Rice Team (rice.collab@kuali.org)
25   * @since Rice 2.4.2
26   *
27   */
28  public interface SubQueryPredicate extends Predicate {
29  
30      /**
31       * The data type against which the subquery should run.
32       */
33      String getSubQueryType();
34      
35      /**
36       * 
37       * A predicate to apply to the inner (sub-query).
38       */
39      Predicate getSubQueryPredicate();
40  		    
41  }