Factory


1   /* 
2    * Copyright 2004 Apache Software Foundation
3    * Licensed  under the  Apache License,  Version 2.0  (the "License");
4    * you may not use  this file  except in  compliance with the License.
5    * You may obtain a copy of the License at 
6    * 
7    *   http://www.apache.org/licenses/LICENSE-2.0
8    * 
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed  under the  License is distributed on an "AS IS" BASIS,
11   * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
12   * implied.
13   * 
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.avalon.repository.provider;
19  
20  import java.util.Map  ;
21  
22  /**
23   * A generic application factory.
24   *
25   * @author <a HREF="mailto:dev@avalon.apache.org">Avalon Development Team</a>
26   * @version $Revision: 1.5 $
27   */
28  public interface Factory
29  {
30     /**
31      * Return a new instance of default criteria for the factory.
32      * @return a new criteria instance
33      */
34      Map   createDefaultCriteria();
35  
36     /**
37      * Create a new instance of an application.
38      * @return the application instance
39      */
40      Object   create() throws Exception  ;
41  
42     /**
43      * Create a new instance of an application.
44      * @param criteria the creation criteria
45      * @return the application instance
46      */
47      Object   create( Map   criteria ) throws Exception  ;
48  
49  }
50

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