/*
* 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.jena.atoms;
import java.util.ArrayList;
import java.util.List;
import org.apache.stanbol.rules.adapters.AbstractAdaptableAtom;
import org.apache.stanbol.rules.adapters.jena.HigherOrderClauseEntry;
import org.apache.stanbol.rules.adapters.jena.NodeClauseEntry;
import org.apache.stanbol.rules.base.api.RuleAtom;
import org.apache.stanbol.rules.base.api.RuleAtomCallExeption;
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 com.hp.hpl.jena.graph.Node;
import com.hp.hpl.jena.reasoner.rulesys.BuiltinRegistry;
import com.hp.hpl.jena.reasoner.rulesys.ClauseEntry;
import com.hp.hpl.jena.reasoner.rulesys.Functor;
import com.hp.hpl.jena.reasoner.rulesys.Rule;
/**
*
* It adapts any DifferentAtom to a notEqual functor in Jena.
*
* @author anuzzolese
*
*/
public class DifferentAtom extends AbstractAdaptableAtom {
@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption,
UnavailableRuleObjectException,
UnsupportedTypeForExportException {
Node arg1Node = null;
Node arg2Node = null;
org.apache.stanbol.rules.manager.atoms.DifferentAtom tmp = (org.apache.stanbol.rules.manager.atoms.DifferentAtom) ruleAtom;
ExpressionAtom argument1 = tmp.getStringFunctionAtom1();
ExpressionAtom argument2 = tmp.getStringFunctionAtom2();
ClauseEntry clauseEntry1 = adapter.adaptTo(argument1, Rule.class);
ClauseEntry clauseEntry2 = adapter.adaptTo(argument2, Rule.class);
List<ClauseEntry> clauseEntries = new ArrayList<ClauseEntry>();
if (clauseEntry1 instanceof HigherOrderClauseEntry) {
arg1Node = ((HigherOrderClauseEntry) clauseEntry1).getBindableNode();
clauseEntries.addAll(((HigherOrderClauseEntry) clauseEntry1).getClauseEntries());
} else if (clauseEntry1 instanceof NodeClauseEntry) {
arg1Node = ((NodeClauseEntry) clauseEntry1).getNode();
} else {
throw new org.apache.stanbol.rules.base.api.RuleAtomCallExeption(getClass());
}
if (clauseEntry2 instanceof HigherOrderClauseEntry) {
arg2Node = ((HigherOrderClauseEntry) clauseEntry2).getBindableNode();
clauseEntries.addAll(((HigherOrderClauseEntry) clauseEntry2).getClauseEntries());
} else if (clauseEntry2 instanceof NodeClauseEntry) {
arg2Node = ((NodeClauseEntry) clauseEntry2).getNode();
} else {
throw new org.apache.stanbol.rules.base.api.RuleAtomCallExeption(getClass());
}
java.util.List<Node> nodes = new ArrayList<Node>();
nodes.add(arg1Node);
nodes.add(arg2Node);
return (T) new Functor("notEqual", nodes, BuiltinRegistry.theRegistry);
}
}