/*
* 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 com.hp.hpl.jena.sparql.util;
import com.hp.hpl.jena.graph.Node ;
import com.hp.hpl.jena.sparql.core.Var ;
import com.hp.hpl.jena.sparql.engine.ExecutionContext ;
import com.hp.hpl.jena.sparql.engine.QueryIterator ;
import com.hp.hpl.jena.sparql.engine.binding.Binding ;
import com.hp.hpl.jena.sparql.engine.iterator.QueryIterNullIterator ;
import com.hp.hpl.jena.sparql.engine.iterator.QueryIterSingleton ;
public class IterLib
{
public static QueryIterator noResults(ExecutionContext execCxt)
{
return new QueryIterNullIterator(execCxt) ;
}
public static QueryIterator oneResult(Binding binding, Var var, Node value, ExecutionContext execCxt)
{
return QueryIterSingleton.create(binding, var, value, execCxt) ;
}
public static QueryIterator result(Binding binding, ExecutionContext execCxt)
{
return QueryIterSingleton.create(binding, execCxt) ;
}
}