AbstractEventStream (salt-netapi-client 0.17.0 API)

java.lang.Object
- com.suse.salt.netapi.event.AbstractEventStream

All Implemented Interfaces:

EventStream, AutoCloseable

Direct Known Subclasses:

WebSocketEventStream
```
public abstract class AbstractEventStream
extends Object
implements EventStream
```
Implements basic listener bookkeeping for EventStream.

Constructor Summary

Constructors
Constructor Description

AbstractEventStream()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addEventListener(EventListener listener)`	Adds a listener.
`protected void`	`clearListeners(int code, String phrase)`	Removes all listeners.
`int`	`getListenerCount()`	Helper method that returns the current number of subscribed listeners.
`protected void`	`notifyListeners(Event event)`	Notifies all listeners of an event
`void`	`removeEventListener(EventListener listener)`	Removes a listener.

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

Methods inherited from interface com.suse.salt.netapi.event.EventStream
close, isEventStreamClosed

- Constructor Detail
  - AbstractEventStream
```
public AbstractEventStream()
```
- Method Detail
  - addEventListener
```
public void addEventListener(EventListener listener)
```
    Adds a listener.
    
    Specified by:
    
    addEventListener in interface EventStream
    
    Parameters:
    
    listener - Reference to the class that implements EventListener.
  - removeEventListener
```
public void removeEventListener(EventListener listener)
```
    Removes a listener.
    
    Specified by:
    
    removeEventListener in interface EventStream
    
    Parameters:
    
    listener - Reference to the class that implements EventListener.
  - getListenerCount
```
public int getListenerCount()
```
    Helper method that returns the current number of subscribed listeners.
    
    Specified by:
    
    getListenerCount in interface EventStream
    
    Returns:
    
    The current number listeners.
  - notifyListeners
```
protected void notifyListeners(Event event)
```
    Notifies all listeners of an event
    
    Parameters:
    
    event - the event
  - clearListeners
```
protected void clearListeners(int code,
                              String phrase)
```
    Removes all listeners.
    
    Parameters:
    
    code - an integer code to represent the reason for closing
    
    phrase - a String representation of code