org.glassfish.pfl.basic.graph.NodeData Maven / Gradle / Ivy
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package org.glassfish.pfl.basic.graph ;
/** Data about a node in a graph.
*/
public class NodeData
{
private boolean visited ;
private boolean root ;
public NodeData()
{
clear() ;
}
public final void clear()
{
this.visited = false ;
this.root = true ;
}
/** Return whether this node has been visited in a traversal.
* Note that we only support a single traversal at a time.
*/
boolean isVisited()
{
return visited ;
}
void visited()
{
visited = true ;
}
/** Return whether this node is a root.
*/
boolean isRoot()
{
return root ;
}
void notRoot()
{
root = false ;
}
}
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