/*
* 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.atlas.io.IndentedWriter ;
import org.apache.jena.atlas.lib.Lib ;
import org.apache.jena.sparql.core.TriplePath ;
import org.apache.jena.sparql.core.Var ;
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.path.PathLib ;
import org.apache.jena.sparql.serializer.SerializationContext ;
public class QueryIterPath extends QueryIterRepeatApply
{
private TriplePath triplePath ;
private Var varSubject = null ;
private Var varObject = null ;
public QueryIterPath(TriplePath triplePath, QueryIterator input, ExecutionContext context)
{
super(input, context) ;
this.triplePath = triplePath ;
}
@Override
protected QueryIterator nextStage(Binding binding)
{
QueryIterator qIter = PathLib.execTriplePath(binding, triplePath, getExecContext()) ;
return qIter ;
}
@Override
protected void details(IndentedWriter out, SerializationContext sCxt)
{
out.print(Lib.className(this)) ;
out.println() ;
out.incIndent() ;
out.print(triplePath.toString()) ;
out.decIndent() ;
}
}