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Java > Open Source Codes > org > sample > registry > model > impl > Reference


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.
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9  * When distributing Covered Code, include this CDDL Header Notice in each file
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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 package org.sample.registry.model.impl;
20
21 import org.netbeans.modules.xml.xam.AbstractComponent;
22 import org.netbeans.modules.xml.xam.AbstractReference;
23 import org.sample.registry.model.ReferenceableRegistryComponent;
24 import org.sample.registry.model.RegistryComponent;
25
26 public class Reference<T extends ReferenceableRegistryComponent> extends AbstractReference<T> {
27     
28     /** Creates a new instance of RegistyComponentReference */
29     public Reference(T referenced, Class JavaDoc<T> referencedType, AbstractComponent container) {
30         super(referenced, referencedType, container);
31     }
32
33     public Reference(String JavaDoc refString, Class JavaDoc<T> referencedType, AbstractComponent container) {
34         super(referencedType, container, refString);
35     }
36     
37     protected RegistryComponent getReferencingComponent() {
38         return (RegistryComponent) super.getParent();
39     }
40     
41     public T get() {
42         if (getReferenced() == null) {
43             T ref = new FindByNameAndTypeVisitor<T>().find(
44                 getReferencingComponent().getModel().getRootComponent(), refString, getType());
45             if (ref != null) {
46                 setReferenced(ref);
47             }
48         }
49         return getReferenced();
50     }
51 }
52
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