ActionHandlerSet (EventMaid - Core Library 1.0.40 API)

java.lang.Object
- de.quantummaid.eventmaid.channel.action.ActionHandlerSet<T>

Type Parameters:

T - the type of messages of the Channel
```
public final class ActionHandlerSet<T>
extends Object
```
The ActionHandlerSet defines the mapping of Actions to their respective ActionHandler.
Each Channel has an ActionHandlerSet set during creation. Only those Actions can be used as final Action of the Channel, that have a matching ActionHandler registered in the set.

See Also:

EventMaid Documentation

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static <T> ActionHandlerSet<T>`	`emptyActionHandlerSet()`	Creates a new, empty `ActionHandlerSet`.
`ActionHandler<Action<T>,T>`	`getActionHandlerFor(Action<T> action)`	Returns the `ActionHandler` registered for the given action.
`void`	`registerActionHandler(Class<? extends Action> actionClass, ActionHandler<? extends Action<T>,T> actionHandler)`	Method, that can be used to add an `Action` and its `ActionHandler` dynamically to the set.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - emptyActionHandlerSet
```
public static <T> ActionHandlerSet<T> emptyActionHandlerSet()
```
    Creates a new, empty ActionHandlerSet.
    
    Type Parameters:
    
    T - the type of messages of the Channel
    
    Returns:
    
    a new, empty ActionHandlerSet
  - getActionHandlerFor
```
public ActionHandler<Action<T>,T> getActionHandlerFor(Action<T> action)
```
    Returns the ActionHandler registered for the given action.
    
    Parameters:
    
    action - the action for which the handler is queried
    
    Returns:
    
    the ActionHandler if one is present
    
    Throws:
    
    NoHandlerForUnknownActionException - if no ActionHandler for the Action exists
  - registerActionHandler
```
public void registerActionHandler(Class<? extends Action> actionClass,
                                  ActionHandler<? extends Action<T>,T> actionHandler)
```
    Method, that can be used to add an Action and its ActionHandler dynamically to the set. Can be used to overwrite existing mappings.
    
    Parameters:
    
    actionClass - the Action for which the handler should be added
    
    actionHandler - the ActionHandler