LAFDelegate (PDI Core 9.3.0.0-424 API)

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 Summary

Constructors
Constructor Description

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`changeHandler(E handler)`
`E`	`getHandler()`
`HashSet<LAFChangeListener<E>>`	`getListeners()`
`void`	`loadListeners(HashSet<LAFChangeListener<E>> listeners)`
`E`	`newHandlerInstance(String classname)`	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.
`protected void`	`notifyListeners()`
`E`	`registerChangeListener(LAFChangeListener<E> listener)`
`void`	`unregisterChangeListener(LAFChangeListener<E> listener)`	unregister a @see LAFChangeListener from the Map which will prevent notification on @see Handler change

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LAFDelegate

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

Method Detail
- 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()
```