net.lecousin.framework.util

Interface HierarchyProvider.Synchronous<ElementType>

Type Parameters:

ElementType - type of element

Enclosing interface:

HierarchyProvider

public static interface HierarchyProvider.Synchronous<ElementType>

Generic interface to navigate in a hierarchy with synchronous operations.

Method Summary

Modifier and Type	Method and Description
List<? extends ElementType>	getChildren(ElementType element, boolean refresh) 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.
default void	goThrough(ElementType element, Consumer<ElementType> listener) Go through the descendants of the given element, and call the listener for each element.
boolean	hasChildren(ElementType element, boolean refresh) 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

boolean hasChildren(ElementType element,
                    boolean refresh)

Return true if the given element has children.

getChildren

List<? extends ElementType> getChildren(ElementType element,
                                        boolean refresh)

Return the children of the given element.

goThrough

default void goThrough(ElementType element,
                       Consumer<ElementType> listener)

Go through the descendants of the given element, and call the listener for each element.