Package com.groiss.event

Interface IEventHandler

All Known Implementing Classes:
EventHandler
public interface IEventHandler
Interface for event handler.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    handle(Event e, ProcessInstance handlerProc, EventRegistry reg)
    The handle method is called when an event is raised and a handler has been registered.
    boolean
    onRegister()
    This method is called before the handler is actually registered
    void
    onUnregister(EventRegistry reg)
    This method is called when the handler is unregistered.

  • Method Details

    • handle

      boolean handle(Event e, ProcessInstance handlerProc, EventRegistry reg)
      The handle method is called when an event is raised and a handler has been registered. The return value is used only in "sync" event handlers, where returning true immediatly finishs the activity and ungegisters the handler.
      Parameters:
      e - the raised event
      handlerProc - the process instance which has registered for the event.
      reg - the event registry entry
      Returns:
      this implementation returns true

    • onRegister

      boolean onRegister()
      This method is called before the handler is actually registered
      Returns:
      if true is returned the handler will be registered, if false is returned, the handler will not be registered (in this case a sync terminates immediately)

    • onUnregister

      void onUnregister(EventRegistry reg)
      This method is called when the handler is unregistered.
      Parameters:
      reg -