Event Handling Design: Difference between revisions
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m moved Event Handling to Event Handling Design |
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=== Classes === | === Classes === | ||
{| | |||
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A Message handler has a list of subscriptions. | |||
| | |||
<uml> | |||
class MsgHandler { | |||
+void Publish() | |||
} | |||
MsgHandler "1" *-- "0..N" Subscription : subscribers | |||
Subscription "1" *-- "1" iNetSubscriber : subscriber | |||
class MsgEntry { | |||
+void Reset() | |||
} | |||
class iNetSubscriber { | |||
+{abstract} bool Verify() | |||
+{abstract} void HandleMessage() | |||
} | |||
</uml> | |||
| | |||
Each server class inherit from the iNetSubscriber. | |||
| | |||
<uml> | |||
class iNetSubscriber { | |||
+{abstract} bool Verify() | |||
+{abstract} void HandleMessage() | |||
} | |||
note right: Abstract base class for message recipients. | |||
iNetSubscriber <|-- MessageManagerBase | |||
MessageManagerBase <|-- MessageManager | |||
MessageManager <|-- ServerClass | |||
note "Example classes from the server" as Note1 | |||
ServerClass .. Note1 | |||
class MessageManagerBase { | |||
+bool Verify() | |||
+bool HandleMessage() | |||
} | |||
class MessageManager<SubClass> { | |||
+void Subscribe() | |||
+void Unsubscribe() | |||
} | |||
class ServerClass { | |||
+void HandleTestEvent() | |||
} | |||
</uml> | |||
|} | |||
=== Sequences === | === Sequences === | ||
| Line 9: | Line 72: | ||
<uml> | <uml> | ||
ServerClass -> | ServerClass -> ServerClass : Subscribe | ||
note right : Subscribe to TestEvent | |||
activate ServerClass | |||
deactivate ServerClass | |||
ServerClass -> MsgHandler : Publish | |||
note right : Publish the TestEvent | |||
activate ServerClass | |||
activate MsgHandler | |||
loop All Subscriptions | |||
MsgHandler -> MsgEntry : Reset | |||
activate MsgEntry | |||
MsgEntry --> MsgHandler | |||
deactivate MsgEntry | |||
MsgHandler -> ServerClass : Verify | |||
activate ServerClass | |||
ServerClass --> MsgHandler | |||
deactivate ServerClass | |||
MsgHandler -> ServerClass : HandleMessage | |||
activate ServerClass | |||
ServerClass -> ServerClass : HandleTestEvent | |||
activate ServerClass | |||
ServerClass --> MsgHandler | |||
deactivate ServerClass | |||
deactivate ServerClass | |||
end | |||
MsgHandler --> ServerClass | |||
deactivate MsgHandler | |||
deactivate ServerClass | |||
</uml> | </uml> | ||
Latest revision as of 17:55, 9 April 2013
Event Handling
Event handling is a speciall case of the Detailed Network Design where messages are published and received inside the server.
Classes
|
A Message handler has a list of subscriptions. |
 |
Each server class inherit from the iNetSubscriber. |
 |
Sequences
