FanSubscription ($jdk.javadoc.title})

```
public interface FanSubscription
```
Since:

11.2

Version:

$Header: dbjava/simplefan/src/java/oracle/simplefan/FanSubscription.java /main/2 2009/07/06 13:04:13 rhward Exp $

Author:

dsurber

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addListener(FanEventListener listener)`	Adds a listener.
`void`	`close()`	Closes this subscription.
`void`	`removeListener(FanEventListener listener)`	Removes a listener.

- Method Detail
  - addListener
```
void addListener(FanEventListener listener)
```
    Adds a listener. Listeners are called in the order added. The argument is captured.
    
    Parameters:
    
    listener - the object to be added and notified of FAN events.
    
    Throws:
    
    java.lang.IllegalStateException - if the recevier is closed.
  - removeListener
```
void removeListener(FanEventListener listener)
```
    Removes a listener. The argument is not captured.
    
    Parameters:
    
    listener - the object to be removed from the list of listeners.
    
    Throws:
    
    java.lang.IllegalArgumentException - if the param is not present in the list of listeners.
  - close
```
void close()
```
    Closes this subscription. This method may return before all activity completes. In particular, some listeners may receive additional events even after the method returns. Closing an already closed object does nothing.