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Java > Open Source Codes > com > hp > hpl > jena > rdf > model > impl > StmtIteratorImpl


1 /*
2   (c) Copyright 2003, 2004, 2005 Hewlett-Packard Development Company, LP
3   [See end of file]
4   $Id: StmtIteratorImpl.java,v 1.10 2005/02/21 12:14:55 andy_seaborne Exp $
5 */
6
7 package com.hp.hpl.jena.rdf.model.impl;
8
9 import com.hp.hpl.jena.util.iterator.*;
10 import com.hp.hpl.jena.rdf.model.*;
11
12 import java.util.Iterator JavaDoc;
13
14 /** An implementation of StmtIterator.
15  *
16  * @author bwm
17  * @version Release='$Name: $' Revision='$Revision: 1.10 $' Date='$Date: 2005/02/21 12:14:55 $'
18  */
19
20
21 public class StmtIteratorImpl extends WrappedIterator implements StmtIterator
22     {
23     private Statement current;
24     
25     public StmtIteratorImpl( Iterator JavaDoc iterator )
26         { super( iterator ); }
27
28     /**
29         return *and remember* the next element. It must be remembered
30         so that remove works whichever next-method is called.
31     */
32     public Object JavaDoc next()
33         { return current = (Statement) super.next(); }
34         
35     public void remove()
36         {
37         super.remove();
38         current.remove();
39         }
40         
41     public Statement nextStatement()
42         { return (Statement) next(); }
43     }
44
45 /*
46  * (c) Copyright 2000, 2003, 2004, 2005 Hewlett-Packard Development Company, LP
47  * All rights reserved.
48  *
49  * Redistribution and use in source and binary forms, with or without
50  * modification, are permitted provided that the following conditions
51  * are met:
52  * 1. Redistributions of source code must retain the above copyright
53  * notice, this list of conditions and the following disclaimer.
54  * 2. Redistributions in binary form must reproduce the above copyright
55  * notice, this list of conditions and the following disclaimer in the
56  * documentation and/or other materials provided with the distribution.
57  * 3. The name of the author may not be used to endorse or promote products
58  * derived from this software without specific prior written permission.
59
60  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
61  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
62  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
63  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
64  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
65  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
66  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
67  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
68  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
69  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
70  *
71  * StmtIteratorImpl.java
72  *
73  * Created on 07 August 2000, 07:04
74  */
75
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