org.appformer.client.stateControl.registry

Interface Registry<C>

Type Parameters:

C - anything that can be registered.

All Known Subinterfaces:

DefaultRegistry<C>

All Known Implementing Classes:

DefaultRegistryImpl

public interface Registry<C>

Represents a basic items registry.

Method Summary

Modifier and Type	Method and Description
void	clear() Clears the registry
List<C>	getHistory() Returns a List containing all the items in the registry
boolean	isEmpty() Determines if the registry is empty or not
C	peek() Peeks the last added item.
C	pop() Pops the last added item and removes it.
void	register(C item) Registers an item into the registry
void	setMaxSize(int size) Sets the max number of items that can be stored on the registry.
void	setRegistryChangeListener(RegistryChangeListener registryChangeListener) Sets a RegistryChangeListener to be called when the registry changes.

Method Detail

register

void register(C item)

Registers an item into the registry

Parameters:

item - An item to register

peek

C peek()

Peeks the last added item. Doesn't remove it.

Returns:

The last added item

pop

C pop()

Pops the last added item and removes it.

Returns:

The last added item

setMaxSize

void setMaxSize(int size)

Sets the max number of items that can be stored on the registry.

Parameters:

size - A positive integer

clear

void clear()

Clears the registry

isEmpty

boolean isEmpty()

Determines if the registry is empty or not

Returns:

true if empty, false if not.

getHistory

List<C> getHistory()

Returns a List containing all the items in the registry

Returns:

A List of containing the registered items

setRegistryChangeListener

void setRegistryChangeListener(RegistryChangeListener registryChangeListener)

Sets a RegistryChangeListener to be called when the registry changes.

Parameters:

registryChangeListener - A RegistryChangeListener