| /* |
| * 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.jena.sparql.core; |
| |
| import java.util.ArrayList ; |
| import java.util.Iterator ; |
| import java.util.List ; |
| |
| import org.apache.jena.graph.Node ; |
| import org.apache.jena.rdf.model.Model ; |
| import org.apache.jena.rdf.model.RDFNode ; |
| import org.apache.jena.sparql.engine.binding.Binding ; |
| import org.apache.jena.sparql.engine.binding.BindingBase ; |
| import org.apache.jena.sparql.util.ModelUtils ; |
| |
| |
| /** A mapping from variable name to an RDF value. |
| * A wrapper around the graph level Binding. */ |
| |
| |
| public class ResultBinding extends QuerySolutionBase |
| { |
| Binding binding ; |
| Model model ; |
| |
| public ResultBinding( Model _model, Binding _binding) |
| { |
| model = _model ; |
| binding = _binding ; |
| } |
| |
| // private ResultBinding( Model _model ) |
| // { |
| // model = _model ; |
| // binding = BindingFactory.create() ; |
| // } |
| |
| @Override |
| protected RDFNode _get(String varName) |
| { |
| Node n = binding.get(Var.alloc(varName)) ; |
| if ( n == null ) |
| return null; |
| return ModelUtils.convertGraphNodeToRDFNode(n, model) ; |
| } |
| |
| @Override |
| protected boolean _contains(String varName) |
| { |
| return binding.contains(Var.alloc(varName)) ; |
| } |
| |
| @Override |
| public Iterator<String> varNames() |
| { |
| List<String> x = new ArrayList<>() ; |
| for ( Iterator<Var> iter = binding.vars() ; iter.hasNext(); ) |
| { |
| Var v = iter.next(); |
| x.add(v.getVarName()) ; |
| } |
| return x.iterator() ; |
| } |
| |
| // public void setModel(Model m) { model = m ; } |
| // public Model getModel() { return model ; } |
| |
| public Binding getBinding() { return binding ; } |
| |
| @Override |
| public String toString() |
| { |
| if ( binding == null ) |
| return "<no binding>" ; |
| return binding.toString() ; |
| } |
| |
| public static boolean equals(ResultBinding rb1, ResultBinding rb2) |
| { |
| return BindingBase.equals(rb1.getBinding(), rb2.getBinding() ) ; |
| } |
| } |