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Java > Open Source Codes > com > hp > hpl > jena > rdql > parser > NodeValue


1 /*
2  * (c) Copyright 2004, 2005 Hewlett-Packard Development Company, LP
3  * All rights reserved.
4  * [See end of file]
5  */
6
7 package com.hp.hpl.jena.rdql.parser;
8
9 import com.hp.hpl.jena.graph.Node ;
10 import com.hp.hpl.jena.rdql.Printable;
11
12 /** A dynamically typed slot
13  *
14  *
15  * @author Andy Seaborne
16  * @version $Id: NodeValue.java,v 1.2 2005/02/21 12:15:30 andy_seaborne Exp $
17  */
18
19 public interface NodeValue extends Printable
20 {
21     public boolean isNumber() ;
22     public boolean isInt() ;
23     public boolean isDouble() ;
24     public boolean isBoolean() ;
25     public boolean isString() ;
26     public boolean isURI() ;
27     public boolean isNode() ;
28
29     public long getInt() ;
30     public double getDouble() ;
31     public boolean getBoolean() ;
32     public String JavaDoc getString() ;
33     public String JavaDoc getURI() ;
34     public Node getNode() ;
35     
36     public String JavaDoc valueString() ;
37 }
38
39 /*
40  * (c) Copyright 2004, 2005 Hewlett-Packard Development Company, LP
41  * All rights reserved.
42  *
43  * Redistribution and use in source and binary forms, with or without
44  * modification, are permitted provided that the following conditions
45  * are met:
46  * 1. Redistributions of source code must retain the above copyright
47  * notice, this list of conditions and the following disclaimer.
48  * 2. Redistributions in binary form must reproduce the above copyright
49  * notice, this list of conditions and the following disclaimer in the
50  * documentation and/or other materials provided with the distribution.
51  * 3. The name of the author may not be used to endorse or promote products
52  * derived from this software without specific prior written permission.
53  *
54  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
55  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
56  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
57  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
58  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
59  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
60  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
61  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
62  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
63  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64  */
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