01: /*
02: (c) Copyright 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP, all rights reserved.
03: [See end of file]
04: $Id: Valuator.java,v 1.11 2008/01/02 12:07:57 andy_seaborne Exp $
05: */
06:
07: package com.hp.hpl.jena.graph.query;
08:
09: /**
10: Valuator - an interface for things that evaluate to some
11: value, given a binding of variable (inexes) to values.
12:
13: @author kers
14: */
15: public interface Valuator {
16: /**
17: Answer the evaluated value as a primitive boolean
18: @param iv the mapping from variable (indexes) to values
19: */
20: boolean evalBool(IndexValues iv);
21:
22: /**
23: Answer the evaluated value
24: @param iv the mapping from variable (indexes) to values
25: */
26: Object evalObject(IndexValues iv);
27: }
28:
29: /*
30: (c) Copyright 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
31: All rights reserved.
32:
33: Redistribution and use in source and binary forms, with or without
34: modification, are permitted provided that the following conditions
35: are met:
36:
37: 1. Redistributions of source code must retain the above copyright
38: notice, this list of conditions and the following disclaimer.
39:
40: 2. Redistributions in binary form must reproduce the above copyright
41: notice, this list of conditions and the following disclaimer in the
42: documentation and/or other materials provided with the distribution.
43:
44: 3. The name of the author may not be used to endorse or promote products
45: derived from this software without specific prior written permission.
46:
47: THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
48: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
50: IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
51: INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
52: NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
53: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
54: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
55: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
56: THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
57: */
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