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| QuantifiedImpl.java | 0% | 0% | 0% | 0% |
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| 1 | /* | |
| 2 | wsmo4j - a WSMO API and Reference Implementation | |
| 3 | Copyright (c) 2004, DERI Innsbruck | |
| 4 | This library is free software; you can redistribute it and/or modify it under | |
| 5 | the terms of the GNU Lesser General Public License as published by the Free | |
| 6 | Software Foundation; either version 2.1 of the License, or (at your option) | |
| 7 | any later version. | |
| 8 | This library is distributed in the hope that it will be useful, but WITHOUT | |
| 9 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
| 10 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more | |
| 11 | details. | |
| 12 | You should have received a copy of the GNU Lesser General Public License along | |
| 13 | with this library; if not, write to the Free Software Foundation, Inc., | |
| 14 | 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 15 | */ | |
| 16 | package org.deri.wsmo4j.logicalexpression; | |
| 17 | ||
| 18 | ||
| 19 | import java.util.*; | |
| 20 | ||
| 21 | import org.deri.wsmo4j.logicalexpression.util.*; | |
| 22 | ||
| 23 | import org.omwg.logicalexpression.*; | |
| 24 | import org.omwg.ontology.*; | |
| 25 | ||
| 26 | ||
| 27 | /** | |
| 28 | * This abstract class reunites all quantified logical expressions | |
| 29 | * (e.g qfier {Term} LogExpr) | |
| 30 | * @author DERI Innsbruck, reto.krummenacher@deri.org | |
| 31 | * @version $Revision: 1946 $ $Date: 2007-04-02 15:13:28 +0300 (Mon, 02 Apr 2007) $ | |
| 32 | * @see org.omwg.logicalexpression.Quantified | |
| 33 | */ | |
| 34 | public abstract class QuantifiedImpl | |
| 35 | extends UnaryImpl | |
| 36 | implements Quantified { | |
| 37 | ||
| 38 | protected Set <Variable> variables; | |
| 39 | ||
| 40 | /** | |
| 41 | * @param variables the set of variables that are quantified for the expression | |
| 42 | * @param expr the logical expression | |
| 43 | * @throws IllegalArgumentException | |
| 44 | * <p>in case the operator is different from EXISTS or FORALL</p> | |
| 45 | * <p>in case the logical expression contains a nested CONSTRAINT</p> | |
| 46 | * <p>in case the Set of variables is null</p> | |
| 47 | * <p>in case the arguments of the list aren't all of Type Variable</p> | |
| 48 | */ | |
| 49 | 0 | public QuantifiedImpl(Set <Variable> variables, LogicalExpression expr) |
| 50 | throws IllegalArgumentException { | |
| 51 | 0 | super(expr); |
| 52 | 0 | setVariables(variables); |
| 53 | ||
| 54 | } | |
| 55 | ||
| 56 | /** | |
| 57 | * @return the set of variables that are quantified for the expression | |
| 58 | * @see org.omwg.logicalexpression.Quantified#listVariables() | |
| 59 | */ | |
| 60 | 0 | public Set <Variable> listVariables() { |
| 61 | 0 | return variables; |
| 62 | } | |
| 63 | ||
| 64 | /** | |
| 65 | * @see org.omwg.logicalexpression.LogicalExpression#accept(org.omwg.logicalexpression.Visitor) | |
| 66 | */ | |
| 67 | public abstract void accept(Visitor v); | |
| 68 | ||
| 69 | /* (non-Javadoc) | |
| 70 | * @see org.omwg.logicalexpression.Quantified#setVariables(java.util.Set) | |
| 71 | */ | |
| 72 | 0 | public void setVariables(Set <Variable> variables) { |
| 73 | 0 | if (variables == null) { |
| 74 | 0 | throw new IllegalArgumentException("Quantified Expression must have at least one Variable"); |
| 75 | } | |
| 76 | 0 | if (!SetUtil.allOfType(variables, Variable.class)) { |
| 77 | 0 | throw new IllegalArgumentException("Set variables may only contain org.omwg.logicalexpression.variables"); |
| 78 | } | |
| 79 | 0 | this.variables = Collections.unmodifiableSet(variables); |
| 80 | } | |
| 81 | ||
| 82 | } |
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