Package org.apache.cayenne.event

Contains classes that make up Cayenne generic event dispatch mechanism. The central class is EventManager that allows to completely decouple event senders from listeners. EventBridge allows to connect a network of EventManagers in a single "virtual" EventManager. This includes managers running in different JVMs.

  • Interface Summary
    Interface Description
    EventBridgeFactory
    Defines a factory to dynamically create EventBridge instances.
    EventManager
    This class acts as bridge between an Object that wants to inform others about its current state or a change thereof (Publisher) and a list of objects interested in the Subject (Listeners).
  • Class Summary
    Class Description
    CayenneEvent
    Common superclass for events passed from the EventManager to Listeners; encapsulates optional event information.
    DefaultEventManager
    A default implementation of EventManager.
    EventBridge
    An object that passes events between a local EventManager and some other event dispatch mechanism.
    EventManagerProvider  
    EventSubject
    This class encapsulates the String that is used to identify the subject that a listener is interested in.
    NoopEventBridge  
    NoopEventBridgeProvider  
    NoopEventManager