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Java > Open Source Codes > org > jboss > repository > plugins > InvocationMetaDataCombiner


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.repository.plugins;
23
24 import org.jboss.repository.spi.MetaDataCombiner;
25 import org.jboss.repository.spi.Key;
26 import org.jboss.repository.spi.MetaData;
27
28 /**
29  @author Scott.Stark@jboss.org
30  @version $Revision: 41139 $ */
31 public class InvocationMetaDataCombiner
32    implements MetaDataCombiner
33 {
34    private MetaDataCombiner next;
35    private Object JavaDoc context;
36
37    public InvocationMetaDataCombiner(MetaDataCombiner next, Object JavaDoc context)
38    {
39       this.next = next;
40       this.context = context;
41    }
42
43    protected Object JavaDoc getContext()
44    {
45       return context;
46    }
47    
48    public MetaDataCombiner getNext()
49    {
50       return next;
51    }
52    public void setNext(MetaDataCombiner next)
53    {
54       this.next = next;
55    }
56
57    public Object JavaDoc combine(Key key, MetaData[] levelData)
58    {
59       Object JavaDoc value = null; // @todo Some function of context
60 if( value != null )
61          return value;
62       value = next.combine(key, levelData);
63       return value;
64    }
65
66 }
67
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