net.lecousin.framework.util

Interface HierarchyProvider.Asynchronous<ElementType>

Type Parameters:

ElementType - type of element

Enclosing interface:

HierarchyProvider

public static interface HierarchyProvider.Asynchronous<ElementType>

Generic interface to navigate in a hierarchy with asynchronous operations.

Method Summary

Modifier and Type	Method and Description
AsyncSupplier<List<? extends ElementType>,Exception>	getChildren(ElementType element, boolean refresh, byte priority) Return the children of the given element.
ElementType	getParent(ElementType element) Return the parent of the given element, or null if this is a root element.
AsyncSupplier<Boolean,Exception>	hasChildren(ElementType element, boolean refresh, byte priority) Return true if the given element has children.
boolean	mayHaveChildren(ElementType element) Return true if the given element MAY have children, false if it is not possible.

Method Detail

getParent

ElementType getParent(ElementType element)

Return the parent of the given element, or null if this is a root element.

mayHaveChildren

boolean mayHaveChildren(ElementType element)

Return true if the given element MAY have children, false if it is not possible.

hasChildren

AsyncSupplier<Boolean,Exception> hasChildren(ElementType element,
                                             boolean refresh,
                                             byte priority)

Return true if the given element has children.

getChildren

AsyncSupplier<List<? extends ElementType>,Exception> getChildren(ElementType element,
                                                                 boolean refresh,
                                                                 byte priority)

Return the children of the given element.