org.apache.ambari.server.notifications

Class DispatchFactory

java.lang.Object

org.apache.ambari.server.notifications.DispatchFactory

public class DispatchFactory
extends Object

The DispatchFactory is used to provide singleton instances of NotificationDispatcher based on a supplied type.

Method Summary

Modifier and Type	Method and Description
NotificationDispatcher	getDispatcher(String type) Gets a dispatcher based on the type.
static DispatchFactory	getInstance() Gets the single instance of this factory.
void	register(String type, NotificationDispatcher dispatcher) Registers a dispatcher instance with a type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInstance

public static DispatchFactory getInstance()

Gets the single instance of this factory.

Returns:

register

public void register(String type,
                     NotificationDispatcher dispatcher)

Registers a dispatcher instance with a type.

Parameters:

type - the type

dispatcher - the dispatcher to register with the type.

getDispatcher

public NotificationDispatcher getDispatcher(String type)

Gets a dispatcher based on the type.

Parameters:

type - the type (not null).

Returns:

a dispatcher instance, or null if none.