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Subscribable

                            
                              
                                class 
                                Subscribable
                                
                                  
                                    
                                      TValue
                                    
                                    
                                      THandler
                                       extends 
                                      EventHandler
                                      
                                        
                                          
                                            TValue
                                          
                                        
                                      
                                       = 
                                      EventHandler
                                      
                                        
                                          
                                            TValue

Provides safe access to the public interface of EventDispatcherBase .

External classes can use it to subscribe to an event without being able todispatch it.

Type Parameters

  • TValue

    The type of the argument passed to subscribers.

  • THandler extends EventHandler TValue = EventHandler TValue

    The type of the callback function.

Extended by

  • SubscribableValueEvent

Constructors ​

constructor ​ 

                            
                              
                                public 
                                new
                                Subscribable
                                
                                  
                                    
                                      TValue
                                    
                                    
                                      THandler
                                       extends 
                                      EventHandler
                                      
                                        
                                          
                                            TValue
                                          
                                          
                                            THandler
                                          
                                        
                                      
                                       = 
                                      EventHandler
                                      
                                        
                                          
                                            TValue
                                          
                                        
                                      
                                    
                                  
                                
                                
                                  
                                    
                                      dispatcher
                                      : 
                                      EventDispatcherBase
                                      
                                        
                                          
                                            TValue
                                          
                                          
                                            THandler
                                          
                                        
                                      
                                    
                                  
                                
                                : 
                                Subscribable
                                
                                  
                                    
                                      TValue
                                    
                                    
                                      THandler

Type Parameters

  • TValue
  • THandler extends EventHandler TValue THandler = EventHandler TValue

Parameters

  • dispatcher : EventDispatcherBase TValue THandler

Methods ​

subscribe ​ 

                            
                              
                                public 
                                subscribe
                                
                                  
                                    
                                      handler
                                      : 
                                      THandler
                                    
                                  
                                
                                : () => 
                                void

Subscribe to the event.

Parameters

  • handler : THandler

    The handler to invoke when the event occurs.

unsubscribe ​ 

                            
                              
                                public 
                                unsubscribe
                                
                                  
                                    
                                      handler
                                      : 
                                      THandler
                                    
                                  
                                
                                : 
                                void

Unsubscribe from the event.

Parameters

  • handler : THandler

    The handler to unsubscribe.