com.phloc.commons.hierarchy

Interface IHierarchyWalkerCallback<DATATYPE>

Type Parameters:

DATATYPE - The type of object to be iterated.

All Superinterfaces:

IBaseHierarchyWalker

All Known Implementing Classes:

DefaultHierarchyWalkerCallback

public interface IHierarchyWalkerCallback<DATATYPE>
extends IBaseHierarchyWalker

Interface for walking a hierarchy without the possibilities to alter they way how the hierarchy is iterated.

Author:

Philip Helger

Method Summary

Methods

Modifier and Type	Method and Description
void	onItemAfterChildren(DATATYPE aItem) Called after eventual children of the current item were iterated.
void	onItemBeforeChildren(DATATYPE aItem) Called before eventual children of the current item are iterated.

Methods inherited from interface com.phloc.commons.hierarchy.IBaseHierarchyWalker

begin, end, getLevel, onLevelDown, onLevelUp

Method Detail

onItemBeforeChildren

void onItemBeforeChildren(DATATYPE aItem)

Called before eventual children of the current item are iterated.

Parameters:

aItem - The current tree item. May be null.

onItemAfterChildren

void onItemAfterChildren(DATATYPE aItem)

Called after eventual children of the current item were iterated.

Parameters:

aItem - The current tree item. May be null.