com.helger.commons.factory

Interface IHierarchicalRootFactory<DATATYPE>

Type Parameters:

DATATYPE - The type of object to create.

All Known Subinterfaces:

IFolderTreeItemFactory<KEYTYPE,DATATYPE,COLLTYPE,ITEMTYPE>, ITreeItemFactory<DATATYPE,ITEMTYPE>, ITreeItemWithIDFactory<KEYTYPE,DATATYPE,ITEMTYPE>, ITreeItemWithUniqueIDFactory<KEYTYPE,DATATYPE,ITEMTYPE>

All Known Implementing Classes:

AbstractFolderTreeItemFactory, AbstractTreeItemFactory, AbstractTreeItemWithIDFactory, AbstractTreeItemWithUniqueIDFactory, DefaultFolderTreeItemFactory, DefaultTreeItemFactory, DefaultTreeItemWithIDFactory, DefaultTreeItemWithUniqueIDFactory

public interface IHierarchicalRootFactory<DATATYPE>

This is a generic interface for creating root objects of a hierarchy.

Author:

Philip Helger

Method Summary

Methods

Modifier and Type	Method and Description
DATATYPE	createRoot() Create the root object.

Method Detail

createRoot

@DevelopersNote(value="No @Nullable annotation as we can make no assumptions on the state")
DATATYPE createRoot()

Create the root object. May be called only once.

Returns:

The root object. May be null depending on the implementation.