/* * 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.engine.iterator; import org.apache.jena.sparql.engine.ExecutionContext ; import org.apache.jena.sparql.engine.QueryIterator ; import org.apache.jena.sparql.engine.binding.Binding ; import org.apache.jena.sparql.engine.binding.BindingProjectNamed ; /** Filter bindings for distinguished variables only * Currently unused. */ public class QueryIterDistinguishedVars extends QueryIterConvert { public QueryIterDistinguishedVars(QueryIterator iter, ExecutionContext context) { super(iter, conv, context) ; } static Converter conv = new ProjectWrap() ; static class ProjectWrap implements Converter { @Override public Binding convert(Binding binding) { return new BindingProjectNamed(binding) ; } } }