Package org.eclipse.aether.util.graph.visitor

Class TreeDependencyVisitor

java.lang.Object
org.eclipse.aether.util.graph.visitor.TreeDependencyVisitor
All Implemented Interfaces:
DependencyVisitor
public final 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 or even cycles.

  • Constructor Details

    • 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 Details

    • 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.