// Copyright 2017 JanusGraph Authors
//
// Licensed 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.janusgraph.graphdb.vertices;
import org.janusgraph.core.JanusGraphRelation;
import org.janusgraph.graphdb.internal.InternalRelation;
import java.util.Iterator;
public class RemovableRelationIterator<O extends JanusGraphRelation>
implements Iterator<O> {
private final Iterator<InternalRelation> iterator;
private InternalRelation current;
public RemovableRelationIterator(Iterator<InternalRelation> iter) {
iterator = iter;
current = null;
}
@Override
public boolean hasNext() {
return iterator.hasNext();
}
@SuppressWarnings("unchecked")
@Override
public O next() {
current = iterator.next();
return (O) current;
}
@Override
public void remove() {
assert current != null;
//iterator.remove();
current.remove();
}
}