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

Class FilteringDependencyVisitor

java.lang.Object
org.eclipse.aether.util.graph.visitor.FilteringDependencyVisitor
All Implemented Interfaces:
DependencyVisitor
public final class FilteringDependencyVisitor extends Object implements DependencyVisitor
A dependency visitor that delegates to another visitor if nodes match a filter. Note that in case of a mismatching node, the children of that node are still visited and presented to the filter.

  • Constructor Details

    • FilteringDependencyVisitor

      public FilteringDependencyVisitor(DependencyVisitor visitor, DependencyFilter filter)
      Creates a new visitor that delegates traversal of nodes matching the given filter to the specified visitor.
      Parameters:
      visitor - The visitor to delegate to, must not be null.
      filter - The filter to apply, may be null to not filter.

  • Method Details

    • getVisitor

      public DependencyVisitor getVisitor()
      Gets the visitor to which this visitor delegates to.
      Returns:
      The visitor being delegated to, never null.

    • getFilter

      public DependencyFilter getFilter()
      Gets the filter being applied before delegation.
      Returns:
      The filter being applied or null if none.

    • 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.