/*
* 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.mem;
import java.util.Iterator;
import org.apache.jena.graph.* ;
import org.apache.jena.util.iterator.WrappedIterator ;
/**
A WrappedIterator which remembers the last object next'ed in a
protected instance variable, so that subclasses have access to it
during .remove.
*/
public class TrackingTripleIterator extends WrappedIterator<Triple>
{
public TrackingTripleIterator( Iterator<Triple> it )
{ super( it ); }
/**
The remembered current triple. Subclass should *not* assign to this variable.
*/
protected Triple current;
/**
Answer the next object, remembering it in <code>current</code>.
@see java.util.Iterator#next()
*/
@Override
public Triple next()
{ return current = super.next(); }
}