| /* |
| * 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.clerezza.atoms; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.clerezza.rdf.core.sparql.query.BuiltInCall; |
| import org.apache.clerezza.rdf.core.sparql.query.ConstructQuery; |
| import org.apache.clerezza.rdf.core.sparql.query.Expression; |
| import org.apache.stanbol.rules.adapters.AbstractAdaptableAtom; |
| import org.apache.stanbol.rules.adapters.clerezza.ClerezzaSparqlObject; |
| 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.IObjectAtom; |
| import org.apache.stanbol.rules.manager.atoms.StringFunctionAtom; |
| |
| /** |
| * It adapts any NewIRIAtom to the BIND built in call in Clerezza for creating new IRI resources binding |
| * the value to a variable. |
| * |
| * @author anuzzolese |
| * |
| */ |
| public class NewIRIAtom extends AbstractAdaptableAtom { |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption, |
| UnavailableRuleObjectException, |
| UnsupportedTypeForExportException { |
| |
| org.apache.stanbol.rules.manager.atoms.NewIRIAtom tmp = (org.apache.stanbol.rules.manager.atoms.NewIRIAtom) ruleAtom; |
| |
| StringFunctionAtom bindingAtom = tmp.getBinding(); |
| IObjectAtom variableAtom = tmp.getNewNodeVariable(); |
| |
| ClerezzaSparqlObject binding = (ClerezzaSparqlObject) adapter.adaptTo(bindingAtom, |
| ConstructQuery.class); |
| ClerezzaSparqlObject variable = (ClerezzaSparqlObject) adapter.adaptTo(variableAtom, |
| ConstructQuery.class); |
| |
| List<Expression> iriArgumentExpressions = new ArrayList<Expression>(); |
| iriArgumentExpressions.add((Expression) binding.getClerezzaObject()); |
| BuiltInCall iriBuiltInCall = new BuiltInCall("IRI", iriArgumentExpressions); |
| |
| List<Expression> bindArgumentExpressions = new ArrayList<Expression>(); |
| bindArgumentExpressions.add(iriBuiltInCall); |
| bindArgumentExpressions.add((Expression) variable.getClerezzaObject()); |
| |
| BuiltInCall bindBuiltInCall = new BuiltInCall("BIND", bindArgumentExpressions); |
| |
| return (T) new ClerezzaSparqlObject(bindBuiltInCall); |
| |
| } |
| |
| } |