Event4Impl SourceCode GPL - https://github.com/iboxdb/db4o-gpl

java.lang.Object
- com.db4o.internal.events.Event4Impl<T>

All Implemented Interfaces:: Event4<T>

Direct Known Subclasses:: EventRegistryImpl.CommittedEvent

public class Event4Impl<T extends EventArgs>
extends java.lang.Object
implements Event4<T>

Constructor Summary

Constructors
Modifier Constructor Description

protected Event4Impl()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addListener(EventListener4<T> listener)`	Adds a new listener to the notification list..
`boolean`	`hasListeners()`
`static <T extends EventArgs> Event4Impl<T>`	`newInstance()`
`protected void`	`onListenerAdded()`	Might be overridden whenever specific events need to know when listeners subscribe to the event.
`void`	`removeListener(EventListener4<T> listener)`	Removes a previously registered listener from the notification list.
`void`	`trigger(T args)`

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

- Constructor Detail
  - Event4Impl
```
protected Event4Impl()
```
- Method Detail
  - newInstance
```
public static <T extends EventArgs> Event4Impl<T> newInstance()
```
  - addListener
```
public final void addListener(EventListener4<T> listener)
```
    Description copied from interface: Event4
    
    Adds a new listener to the notification list..
    
    Specified by:
    
    addListener in interface Event4<T extends EventArgs>
  - onListenerAdded
```
protected void onListenerAdded()
```
    Might be overridden whenever specific events need to know when listeners subscribe to the event.
  - removeListener
```
public final void removeListener(EventListener4<T> listener)
```
    Description copied from interface: Event4
    
    Removes a previously registered listener from the notification list.
    
    Specified by:
    
    removeListener in interface Event4<T extends EventArgs>
  - trigger
```
public final void trigger(T args)
```
  - hasListeners
```
public boolean hasListeners()
```