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package bjc.utils.graph;
/**
* An edge in a weighted graph
*
* @author ben
*
* @param <T>
* The type of the nodes in the graph
*/
public class Edge<T> {
/**
* The distance from initial to terminal node
*/
private final int distance;
/**
* The initial and terminal nodes of this edge
*/
private final T source, target;
/**
* Create a new edge with set parameters
*
* @param node1
* The initial node of the edge
* @param node2
* The terminal node of the edge
* @param distance
* The distance between initial and terminal edge
*/
public Edge(T node1, T node2, int distance) {
this.source = node1;
this.target = node2;
this.distance = distance;
}
/**
* Get the distance in this edge
*
* @return The distance between the initial and terminal nodes of this
* edge
*/
public int getDistance() {
return distance;
}
/**
* Get the initial node of an edge
*
* @return The initial node of this edge
*/
public T getSource() {
return source;
}
/**
* Get the target node of an edge
*
* @return The target node of this edge
*/
public T getTarget() {
return target;
}
@Override
public String toString() {
return " first vertex " + source + " to vertex " + target
+ " with distance: " + distance;
}
}
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