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1   /**
2    * Copyright (C) 2005-2009 Alfresco Software Limited.
3    *
4    * This file is part of the Spring Surf Extension project.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *  http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.springframework.extensions.config.evaluator;
20  
21  /**
22   * Definition of an evaluator, an object that decides whether the config section applies to
23   * the current object being looked up. 
24   * 
25   * @author gavinc
26   */
27  public interface Evaluator
28  {
29     /**
30      * Determines whether the given condition evaluates to true for the given object
31      * 
32      * @param obj The object to use as the basis for the test
33      * @param condition The condition to test
34      * @return true if this evaluator applies to the given object, false otherwise
35      */
36     public boolean applies(Object obj, String condition);
37  }