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FactHandle.java | - | - | - | - |
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1 | package org.drools; | |
2 | ||
3 | /* | |
4 | * $Id: FactHandle.java,v 1.17.2.1 2005/05/10 12:11:23 mproctor Exp $ | |
5 | * | |
6 | * Copyright 2001-2004 (C) The Werken Company. All Rights Reserved. | |
7 | * | |
8 | * Redistribution and use of this software and associated documentation | |
9 | * ("Software"), with or without modification, are permitted provided that the | |
10 | * following conditions are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain copyright statements and | |
13 | * notices. Redistributions must also contain a copy of this document. | |
14 | * | |
15 | * 2. Redistributions in binary form must reproduce the above copyright notice, | |
16 | * this list of conditions and the following disclaimer in the documentation | |
17 | * and/or other materials provided with the distribution. | |
18 | * | |
19 | * 3. The name "drools" must not be used to endorse or promote products derived | |
20 | * from this Software without prior written permission of The Werken Company. | |
21 | * For written permission, please contact bob@werken.com. | |
22 | * | |
23 | * 4. Products derived from this Software may not be called "drools" nor may | |
24 | * "drools" appear in their names without prior written permission of The Werken | |
25 | * Company. "drools" is a registered trademark of The Werken Company. | |
26 | * | |
27 | * 5. Due credit should be given to The Werken Company. | |
28 | * (http://drools.werken.com/). | |
29 | * | |
30 | * THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS ``AS IS'' | |
31 | * AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
32 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
33 | * ARE DISCLAIMED. IN NO EVENT SHALL THE WERKEN COMPANY OR ITS CONTRIBUTORS BE | |
34 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
35 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
36 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
37 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
38 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
39 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
40 | * POSSIBILITY OF SUCH DAMAGE. | |
41 | * | |
42 | */ | |
43 | ||
44 | /** | |
45 | * Persistent handle to an asserted fact. | |
46 | * | |
47 | * @see WorkingMemory#assertObject | |
48 | * | |
49 | * @author <a href="mailto:bob@werken.com">bob mcwhirter </a> | |
50 | */ | |
51 | ||
52 | import java.io.Serializable; | |
53 | ||
54 | /** | |
55 | * A FactHandle provides a reference to an Object asserted into the WorkingMemory. | |
56 | * It is normally returned from an assertion into the WorkingMemory. | |
57 | * | |
58 | * @author <a href="mailto:bob@werken.com">bob mcwhirter </a> | |
59 | * @author <a href="mailto:mproctor@codehaus.org"> mark proctor </a> | |
60 | */ | |
61 | public interface FactHandle | |
62 | extends | |
63 | Serializable | |
64 | { | |
65 | /** | |
66 | * Convert this handle to an external representation. | |
67 | * | |
68 | * @return The external string form. | |
69 | */ | |
70 | String toExternalForm( ); | |
71 | } |
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