com.helger.commons.hierarchy

Class ChildrenProviderHasChildrenWithID<KEYTYPE,CHILDTYPE extends IHasChildren<CHILDTYPE> & IHasID<KEYTYPE>>

java.lang.Object

com.helger.commons.hierarchy.ChildrenProviderHasChildren<CHILDTYPE>

com.helger.commons.hierarchy.ChildrenProviderHasChildrenWithID<KEYTYPE,CHILDTYPE>

Type Parameters:

KEYTYPE - The key type.

CHILDTYPE - The data type of the child objects.

All Implemented Interfaces:

IChildrenProvider<CHILDTYPE>, IChildrenProviderWithID<KEYTYPE,CHILDTYPE>

public class ChildrenProviderHasChildrenWithID<KEYTYPE,CHILDTYPE extends IHasChildren<CHILDTYPE> & IHasID<KEYTYPE>>
extends ChildrenProviderHasChildren<CHILDTYPE>
implements IChildrenProviderWithID<KEYTYPE,CHILDTYPE>

An implementation of the IChildrenProviderWithID interface that works with all types that implement IHasChildren and IHasID.

Author:

Philip Helger

Constructor Summary

Constructors

Constructor and Description
ChildrenProviderHasChildrenWithID()

Method Summary

Modifier and Type	Method and Description
CHILDTYPE	getChildWithID(CHILDTYPE aCurrent, KEYTYPE aID) Retrieve the objects with the passed ID or null if no such object.

Methods inherited from class com.helger.commons.hierarchy.ChildrenProviderHasChildren

getAllChildren, getChildCount, hasChildren

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.helger.commons.hierarchy.IChildrenProvider

getAllChildren, getChildCount, hasChildren, hasNoChildren

Constructor Detail

ChildrenProviderHasChildrenWithID

public ChildrenProviderHasChildrenWithID()

Method Detail

getChildWithID

@Nullable
public CHILDTYPE getChildWithID(@Nullable
                                           CHILDTYPE aCurrent,
                                           @Nullable
                                           KEYTYPE aID)

Description copied from interface: IChildrenProviderWithID

Retrieve the objects with the passed ID or null if no such object.

Specified by:

getChildWithID in interface IChildrenProviderWithID<KEYTYPE,CHILDTYPE extends IHasChildren<CHILDTYPE> & IHasID<KEYTYPE>>

Parameters:

aCurrent - The object to determine the children of. No null or non- null constraint possible.

aID - the ID of the object in question. No null or non- null constraint possible.

Returns:

the object with the passed ID or null