Component


1   /*
2    * The contents of this file are subject to the terms of the Common Development
3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
5    *
6    * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7    * or http://www.netbeans.org/cddl.txt.
8    *
9    * When distributing Covered Code, include this CDDL Header Notice in each file
10   * and include the License file at http://www.netbeans.org/cddl.txt.
11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   *
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  
20  package org.netbeans.modules.xml.xam;
21  
22  import java.util.Collection  ;
23  import java.util.List  ;
24  
25  /**
26   * A component in model.
27   * 
28   */
29  public interface Component<C extends Component> {
30      
31      /**
32       * @return parent component.
33       */
34      C getParent();
35      
36      /**
37       * @return the unmodifiable list of child components.
38       */
39      List  <C> getChildren();
40  
41      /**
42       * @param type Interested children type to return.
43       * @return unmodifiable list of directly contained component of specified type.
44       */
45      <T extends C> List  <T> getChildren(Class  <T> type);
46      
47      /**
48       * @param types Interested children type to return.
49       * @return unmodifiable list of directly contained component of specified types.
50       */
51      List  <C> getChildren(Collection  <Class  <? extends C>> types);
52      
53      /**
54       * @return the model where this element is being used or null if not
55       * currently part of a model. 
56       */
57      Model getModel();
58  
59      /**
60       * Returns a copy of this component for adding into the given parent component.
61       */
62      Component copy(C parent);
63      
64      /**
65       * Returns true if given component can be added as this component child.
66       */
67      boolean canPaste(Component child);
68  
69  }
70
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