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/*
* Copyright 2014 Open Networking Laboratory
*
* 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.onlab.graph;
/**
* Abstraction of a graph edge weight function.
*/
public interface EdgeWeight<V extends Vertex, E extends Edge<V>> {
/**
* Returns the weight of the given edge as a unit-less number.
*
* @param edge edge to be weighed
* @return edge weight as a unit-less number
*/
double weight(E edge);
}
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