package org.apache.maven.archiva.dependency.graph.functors;
/*
* 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.
*/
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Predicate;
import org.apache.maven.archiva.dependency.graph.DependencyGraph;
import org.apache.maven.archiva.dependency.graph.DependencyGraphNode;
/**
* OrphanedNodePredicate
*
* @author <a href="mailto:joakim@erdfelt.com">Joakim Erdfelt</a>
* @version $Id: OrphanedNodePredicate.java 547277 2007-06-14 15:25:42Z joakime $
*/
public class OrphanedNodePredicate
implements Predicate
{
private DependencyGraph graph;
public OrphanedNodePredicate( DependencyGraph graph )
{
this.graph = graph;
}
public boolean evaluate( Object object )
{
boolean satisfies = false;
if ( object instanceof DependencyGraphNode )
{
DependencyGraphNode node = (DependencyGraphNode) object;
satisfies = CollectionUtils.isEmpty( graph.getEdgesTo( node ) );
}
return satisfies;
}
}