ITreeItemWithIDFactory (ph-tree 11.0.6 API)

Type Parameters:

KEYTYPE - The key type.

DATATYPE - The value type to be contained in tree items.

ITEMTYPE - tree item type

All Known Subinterfaces:

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

All Known Implementing Classes:

AbstractFolderTreeItemFactory, AbstractTreeItemWithIDFactory, AbstractTreeItemWithUniqueIDFactory, DefaultFolderTreeItemFactory, DefaultTreeItemWithIDFactory, DefaultTreeItemWithUniqueIDFactory
```
public interface ITreeItemWithIDFactory<KEYTYPE,DATATYPE,ITEMTYPE extends ITreeItemWithID<KEYTYPE,DATATYPE,ITEMTYPE>>
```
A factory interface that creates tree items.

Author:

Philip Helger

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`ITEMTYPE`	`create(ITEMTYPE aParent, KEYTYPE aDataID)`	Create a child entry.
`ITEMTYPE`	`createRoot()`	Create a root entry.
`void`	`onAddItem(ITEMTYPE aItem)`	To be called once a tree item is added to the owning tree.
`void`	`onRemoveItem(ITEMTYPE aItem)`	To be called once a tree item is removed from the owning tree.

- Method Detail
  - createRoot
```
@Nonnull
ITEMTYPE createRoot()
```
    Create a root entry.
    
    Returns:
    
    New root entry. May not be null.
  - create
```
ITEMTYPE create(@Nonnull
                ITEMTYPE aParent,
                @Nonnull
                KEYTYPE aDataID)
```
    Create a child entry.
    
    Parameters:
    
    aParent - The parent entry to use. May not be null.
    
    aDataID - The data ID of the new element
    
    Returns:
    
    The created non-root entry. May not be null.
  - onRemoveItem
```
void onRemoveItem(@Nonnull
                  ITEMTYPE aItem)
```
    To be called once a tree item is removed from the owning tree. This method is mainly important for the tree with globally unique IDs.
    
    Parameters:
    
    aItem - The item that was removed.
  - onAddItem
```
void onAddItem(@Nonnull
               ITEMTYPE aItem)
```
    To be called once a tree item is added to the owning tree. This method is mainly important for the tree with globally unique IDs.
    
    Parameters:
    
    aItem - The item that was added.