package fr.paris.lutece.portal.service.event;
   
   import java.util.HashMap;
   import java.util.Map;
   import java.util.function.Consumer;
   
   import fr.paris.lutece.portal.business.event.AbstractLuteceEvent;
   import fr.paris.lutece.portal.service.util.AppLogService;
   
  public  abstract class  AbstractEventManager <T extends AbstractLuteceEvent> 
  {
  
  	private Map<String, Consumer<T>> _listeners = new HashMap<>( );
     
      /**
       * Subscribe to this listener.
       *
       * @param listener
       *            the listener
       */
  	public void register( String strName, Consumer<T> consumerFunction )
      {
      	_listeners.put( strName, consumerFunction );
          AppLogService.info( "New Lutece event listener registered : {}", strName );
      }
      
      /**
       * Subscribe to this listener.
       *
       * @param listener
       *            the listener
       */
  	public void notifyListeners( T event )
      {
          for ( String key : _listeners.keySet( ) )
          {
          	_listeners.get( key ).accept( event );            
          }
      }
  }