Package sfs2x.client.core

Interface IEventListener

  • Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
    @FunctionalInterface
public interface IEventListener
    The interface can be implemented to handle a single event type or it can be used to capture multiple events. The example below shows how to create separate event handlers. 
     
 class ConnectionHandler implements IEventListener
 {
                void dispatch(BaseEvent evt) throws SFSException
                {
                        // connection event code goes here
                }
 }
 
 class LoginHandler implements IEventListener
 {
                void dispatch(BaseEvent evt) throws SFSException
                {
                        // login event code goes here
                }
 }
 
 
 SmartFox sfs = new SmartFox(),
 sfs.addEventListener(SFSEvent.CONNECTION, new ConnectionHandler());
 sfs.addEventListener(SFSEvent.LOGIN, new LoginHandler());

    The following example demonstrates how to use a single implementation to deal with multiple events. class EventHandler implements IEventListener { void dispatch(BaseEvent evt) throws SFSException { if (evt.getType().equals(SFSEvent.CONNECTION)) { // connection event code goes here } else if (evt.getType().equals(SFSEvent.LOGIN)) { // login event code goes here } else if ... } } SmartFox sfs = new SmartFox(), sfs.addEventListener(SFSEvent.CONNECTION, new ConnectionHandler()); sfs.addEventListener(SFSEvent.LOGIN, new LoginHandler());

    See Also:
    SFSEvent, SmartFox.addEventListener(String, IEventListener)

    • Method Detail

      • dispatch

        void dispatch​(BaseEvent evt)
       throws com.smartfoxserver.v2.exceptions.SFSException
        The method is invoked when the Event is dispatched.
        Parameters:
        evt - The event object, containing one or more parameters
        Throws:
        com.smartfoxserver.v2.exceptions.SFSException - Thrown when an error occurs in the event handler
        See Also:
        BaseEvent, SFSEvent