/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.stanbol.rules.adapters.swrl.atoms;
import java.util.ArrayList;
import java.util.List;
import org.apache.stanbol.rules.adapters.AbstractAdaptableAtom;
import org.apache.stanbol.rules.adapters.swrl.ArgumentSWRLAtom;
import org.apache.stanbol.rules.adapters.swrl.HigherOrderSWRLAtom;
import org.apache.stanbol.rules.base.api.RuleAtom;
import org.apache.stanbol.rules.base.api.RuleAtomCallExeption;
import org.apache.stanbol.rules.base.api.Symbols;
import org.apache.stanbol.rules.base.api.UnavailableRuleObjectException;
import org.apache.stanbol.rules.base.api.UnsupportedTypeForExportException;
import org.apache.stanbol.rules.manager.atoms.ExpressionAtom;
import org.semanticweb.owlapi.apibinding.OWLManager;
import org.semanticweb.owlapi.model.IRI;
import org.semanticweb.owlapi.model.OWLDataFactory;
import org.semanticweb.owlapi.model.SWRLArgument;
import org.semanticweb.owlapi.model.SWRLAtom;
import org.semanticweb.owlapi.model.SWRLBuiltInAtom;
import org.semanticweb.owlapi.model.SWRLDArgument;
import org.semanticweb.owlapi.model.SWRLRule;
import org.semanticweb.owlapi.vocab.SWRLBuiltInsVocabulary;
/**
* It adapts any SumAtom to the op:numeric-subtract XPath function call in SWRL.
*
* @author anuzzolese
*
*/
public class SubtractionAtom extends AbstractAdaptableAtom {
@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption,
UnavailableRuleObjectException,
UnsupportedTypeForExportException {
String mul_result = "subtraction_result" + System.currentTimeMillis();
org.apache.stanbol.rules.manager.atoms.SubtractionAtom tmp = (org.apache.stanbol.rules.manager.atoms.SubtractionAtom) ruleAtom;
ExpressionAtom argument1 = tmp.getNumericFunctionAtom1();
ExpressionAtom argument2 = tmp.getNumericFunctionAtom2();
OWLDataFactory factory = OWLManager.getOWLDataFactory();
SWRLAtom swrlAtom1 = (SWRLAtom) adapter.adaptTo(argument1, SWRLRule.class);
SWRLAtom swrlAtom2 = (SWRLAtom) adapter.adaptTo(argument2, SWRLRule.class);
SWRLDArgument swrldArgument1 = factory.getSWRLVariable(IRI.create(Symbols.variablesPrefix
+ mul_result));
SWRLDArgument swrldArgument2;
SWRLDArgument swrldArgument3;
List<SWRLAtom> listOfArguments = new ArrayList<SWRLAtom>();
if (swrlAtom1 instanceof HigherOrderSWRLAtom) {
swrldArgument2 = ((HigherOrderSWRLAtom) swrlAtom1).getBindableArgument();
listOfArguments.addAll(((HigherOrderSWRLAtom) swrlAtom1).getAtoms());
} else if (swrlAtom1 instanceof ArgumentSWRLAtom) {
SWRLArgument swrlArgument = ((ArgumentSWRLAtom) swrlAtom1).getSwrlArgument();
swrldArgument2 = (SWRLDArgument) swrlArgument;
} else {
throw new org.apache.stanbol.rules.base.api.RuleAtomCallExeption(getClass());
}
if (swrlAtom2 instanceof HigherOrderSWRLAtom) {
swrldArgument3 = ((HigherOrderSWRLAtom) swrlAtom2).getBindableArgument();
listOfArguments.addAll(((HigherOrderSWRLAtom) swrlAtom2).getAtoms());
} else if (swrlAtom2 instanceof ArgumentSWRLAtom) {
SWRLArgument swrlArgument = ((ArgumentSWRLAtom) swrlAtom2).getSwrlArgument();
swrldArgument3 = (SWRLDArgument) swrlArgument;
} else {
throw new org.apache.stanbol.rules.base.api.RuleAtomCallExeption(getClass());
}
List<SWRLDArgument> swrldArguments = new ArrayList<SWRLDArgument>();
swrldArguments.add(swrldArgument1);
swrldArguments.add(swrldArgument2);
swrldArguments.add(swrldArgument3);
SWRLBuiltInAtom swrlBuiltInAtom = factory.getSWRLBuiltInAtom(
SWRLBuiltInsVocabulary.SUBTRACT.getIRI(), swrldArguments);
listOfArguments.add(swrlBuiltInAtom);
return (T) new HigherOrderSWRLAtom(swrldArgument1, listOfArguments);
}
}