uk.co.strangeskies.utility

Interface Scoped<T extends Self<T>>

Type Parameters:

T - the self bounding of the scoped object

All Superinterfaces:

Self<T>

All Known Implementing Classes:

ScopedObservableSet, ScopedSet

public interface Scoped<T extends Self<T>>
extends Self<T>

A general interface describing a system with a hierarchical scope for visibility of the contents of that system. Child scopes have visibility over everything visible to their parents, but parents do not have visibility over the contents of their children.

Method Summary

Modifier and Type	Method and Description
void	collapseIntoParentScope() Collapse this scope into its parent.
java.util.Optional<T>	getParentScope()
T	nestChildScope()

Methods inherited from interface uk.co.strangeskies.utility.Self

getThis

Method Detail

getParentScope

java.util.Optional<T> getParentScope()

Returns:

the parent scope if one exists, otherwise null

collapseIntoParentScope

void collapseIntoParentScope()

Collapse this scope into its parent. This will result in the contents of this scope becoming visible to the parent scope, and all the rest of that scope's children.

Throws:

java.lang.NullPointerException - if the parent scope doesn't exist

nestChildScope

T nestChildScope()

Returns:

a new child scope, with the receiver as its parent