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Open Source Database Replication

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org.dbreplicator.graph
Class Edge

java.lang.Object
  org.dbreplicator.graph.Edge

public class Edge
extends java.lang.Object

Instances of this class act as edges in the graph. Instances of this class always "hang" from a JbListElement instance. They have a int weight and a link to the vertex object to which they lead. Null target vertices are not supported.

Field Summary

Vertex

targetVertex

Constructor Summary

Edge(Vertex target, int weightValue)

Edge(Vertex target, int weightValue, java.util.ArrayList listOfAttributes)
An edge object leading from one vertex to another.

Method Summary

void	addAttribute(java.lang.String[] attributes)
java.util.ArrayList	getAttributesList()
int	whatIsWeight() Return the weight of the edge.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

targetVertex

public Vertex targetVertex

Constructor Detail

Edge

public Edge(Vertex target,
            int weightValue,
            java.util.ArrayList listOfAttributes)

An edge object leading from one vertex to another. Edges are unique, there can only be one edge from vertex A to vertex B. The weight cannot be changed after the object is constructed.

Edge

public Edge(Vertex target,
            int weightValue)

Method Detail

whatIsWeight

public int whatIsWeight()

Return the weight of the edge.

addAttribute

public void addAttribute(java.lang.String[] attributes)

getAttributesList

public java.util.ArrayList getAttributesList()