Package org.pentaho.di.laf

Class LAFDelegate<E extends Handler>

java.lang.Object
org.pentaho.di.laf.LAFDelegate<E>
Type Parameters:
E -
public class LAFDelegate<E extends Handler> extends Object
A factory delegate for a specific kind of LAFHandler
Author:
dhushon

  • Constructor Details

    • LAFDelegate

      public LAFDelegate(Class<E> handler, Class<E> defaultHandler)

  • Method Details

    • newHandlerInstance

      public E newHandlerInstance(String classname) throws ClassNotFoundException
      load a concrete Handler for a given Interface (by String classname) if the class is not instantiable, will fallback to default, and then fallback to an abstract implementation. Will always return non-null.
      Parameters:
      classname -
      Returns:
      Throws:
      ClassNotFoundException

    • registerChangeListener

      public E registerChangeListener(LAFChangeListener<E> listener)

    • unregisterChangeListener

      public void unregisterChangeListener(LAFChangeListener<E> listener)
      unregister a @see LAFChangeListener from the Map which will prevent notification on @see Handler change
      Parameters:
      listener -

    • getListeners

      public HashSet<LAFChangeListener<E>> getListeners()

    • loadListeners

      public void loadListeners(HashSet<LAFChangeListener<E>> listeners)

    • changeHandler

      public void changeHandler(E handler)

    • notifyListeners

      protected void notifyListeners()

    • getHandler

      public E getHandler()