01: /*
02: * Copyright (C) 1999-2004 <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</a>
03: *
04: * This library is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License as published by the Free Software Foundation; either
07: * version 2 of the License, or (at your option) any later version.
08: *
09: * This library is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public
15: * License along with this library; if not, write to the Free Software
16: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17: */
18: package org.mandarax.kernel;
19:
20: /**
21: * Interface of a unification algorithm used to promote modularity of inference engines.
22: * @author <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</A>
23: * @version 3.4 <7 March 05>
24: * @since 1.0
25: * Prova re-integration modifications
26: * @author <A HREF="mailto:a.kozlenkov@city.ac.uk">Alex Kozlenkov</A>
27: * @version 3.4 <7 March 05>
28: */
29: public interface UnificationAlgorithm {
30:
31: /**
32: * Unify the two arrays of terms. Return Unification.noUnificationPossible if unifiction fails.
33: * @return the unification computed
34: * @param t1 the first array of terms
35: * @param t2 the second array of terms
36: * @param session a session
37: */
38: Unification unify(Term[] t1, Term[] t2, Session session);
39:
40: /**
41: * Prova version.
42: * Unify the two arrays of terms. Return Unification.noUnificationPossible if unifiction fails.
43: * @return the unification computed
44: * @param t1 the first array of terms
45: * @param t2 the second array of terms
46: */
47: Unification unify(Term[] t1, Term[] t2, boolean isRule);
48: }
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