/**
* Copyright 2015 Santhosh Kumar Tekuri
*
* The JLibs authors license 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 jlibs.core.graph.navigators;
import jlibs.core.graph.Navigator;
import jlibs.core.graph.Sequence;
import jlibs.core.graph.Filter;
import jlibs.core.graph.sequences.FilteredSequence;
/**
* @author Santhosh Kumar T
*/
public class FilteredNavigator<E> implements Navigator<E>{
private Navigator<E> navigator;
private Filter<E> filter;
public FilteredNavigator(Navigator<E> navigator, Filter<E> filter){
this.navigator = navigator;
this.filter = filter;
}
@Override
public Sequence<? extends E> children(E elem){
return new FilteredSequence<E>(navigator.children(elem), filter);
}
}