io.jmix.ui.widget.data

Interface EnhancedHierarchicalDataProvider<T>

Type Parameters:

T - data type

All Known Implementing Classes:

HierarchicalDataGridDataProvider

public interface EnhancedHierarchicalDataProvider<T>

Interface defining methods for enhancing HierarchicalDataProvider behavior.

Method Summary

Modifier and Type	Method and Description
int	getLevel(T item) Returns the hierarchy level of an item.
T	getParent(T item) Returns the parent of given item.

Method Detail

getLevel

int getLevel(T item)

Returns the hierarchy level of an item.

Parameters:

item - the item to get level

Returns:

the level of the given item

getParent

@Nullable
T getParent(T item)

Returns the parent of given item.

Parameters:

item - the item to get parent

Returns:

the parent of given item or null if no parent