org.sonatype.aether.util.graph
Class TreeDependencyVisitor

java.lang.Object
  org.sonatype.aether.util.graph.TreeDependencyVisitor

All Implemented Interfaces:

DependencyVisitor

public class TreeDependencyVisitor
extends Object
implements DependencyVisitor

A dependency visitor that delegates to another visitor if a node hasn't been visited before. In other words, this visitor provides a tree-view of a dependency graph which generally can have multiple paths to the same node.

Author:

Benjamin Bentmann

Constructor Summary

TreeDependencyVisitor(DependencyVisitor visitor)
Creates a new visitor that delegates to the specified visitor.

Method Summary

boolean	visitEnter(DependencyNode node) Notifies the visitor of a node visit before its children have been processed.
boolean	visitLeave(DependencyNode node) Notifies the visitor of a node visit after its children have been processed.

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeDependencyVisitor

public TreeDependencyVisitor(DependencyVisitor visitor)

Creates a new visitor that delegates to the specified visitor.

Parameters:

visitor - The visitor to delegate to, must not be null.

Method Detail

visitEnter

public boolean visitEnter(DependencyNode node)

Description copied from interface: DependencyVisitor

Notifies the visitor of a node visit before its children have been processed.

Specified by:

visitEnter in interface DependencyVisitor

Parameters:

node - The dependency node being visited, must not be null.

Returns:

true to visit child nodes of the specified node as well, false to skip children.

visitLeave

public boolean visitLeave(DependencyNode node)

Description copied from interface: DependencyVisitor

Notifies the visitor of a node visit after its children have been processed. Note that this method is always invoked regardless whether any children have actually been visited.

Specified by:

visitLeave in interface DependencyVisitor

Parameters:

node - The dependency node being visited, must not be null.

Returns:

true to visit siblings nodes of the specified node as well, false to skip siblings.