com.phloc.commons.hierarchy

Class DefaultHierarchyWalkerCallback<DATATYPE>

java.lang.Object

com.phloc.commons.hierarchy.DefaultHierarchyWalker

com.phloc.commons.hierarchy.DefaultHierarchyWalkerCallback<DATATYPE>

Type Parameters:

DATATYPE - The type of object in the hierarchy to be iterated

All Implemented Interfaces:

IBaseHierarchyWalker, IHierarchyWalkerCallback<DATATYPE>

public class DefaultHierarchyWalkerCallback<DATATYPE>
extends DefaultHierarchyWalker
implements IHierarchyWalkerCallback<DATATYPE>

The default implementation of the IHierarchyWalkerCallback interface doing nothing.

Author:

Philip Helger

Constructor Summary

Constructors

Constructor and Description
DefaultHierarchyWalkerCallback()
DefaultHierarchyWalkerCallback(int nInitialLevel)

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 class com.phloc.commons.hierarchy.DefaultHierarchyWalker

begin, end, getLevel, onLevelDown, onLevelUp

Methods inherited from class java.lang.Object

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

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

begin, end, getLevel, onLevelDown, onLevelUp

Constructor Detail

DefaultHierarchyWalkerCallback

public DefaultHierarchyWalkerCallback()

DefaultHierarchyWalkerCallback

public DefaultHierarchyWalkerCallback(int nInitialLevel)

Method Detail

onItemBeforeChildren

@OverrideOnDemand
public void onItemBeforeChildren(DATATYPE aItem)

Description copied from interface: IHierarchyWalkerCallback

Called before eventual children of the current item are iterated.

Specified by:

onItemBeforeChildren in interface IHierarchyWalkerCallback<DATATYPE>

Parameters:

aItem - The current tree item. May be null.

onItemAfterChildren

@OverrideOnDemand
public void onItemAfterChildren(DATATYPE aItem)

Description copied from interface: IHierarchyWalkerCallback

Called after eventual children of the current item were iterated.

Specified by:

onItemAfterChildren in interface IHierarchyWalkerCallback<DATATYPE>

Parameters:

aItem - The current tree item. May be null.