Registry (AppFormer Client API 7.70.0.Final API)

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

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	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