Class EventServiceImpl

java.lang.Object

org.j7m.middleware.examples.events.EventServiceImpl

All Implemented Interfaces:

EventService

public final class EventServiceImpl
extends Object
implements EventService

Simple event service implementation for examples.

The class is not a production event bus. It records safe audit-style strings so tests and demos can prove that a callback invocation occurred.

Constructor Summary

Constructors

Constructor	Description
EventServiceImpl()	Creates an event service.

Method Summary

Modifier and Type	Method	Description
List<String>	invocationLog()	Returns a safe invocation log snapshot.
String	registerAndPing(EventCallback callback, String value)	Registers a callback and immediately invokes it.

Methods inherited from class Object

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

Constructor Details

EventServiceImpl

public EventServiceImpl()

Creates an event service.

Method Details

registerAndPing

public String registerAndPing(EventCallback callback,
 String value)

Registers a callback and immediately invokes it.

Specified by:

registerAndPing in interface EventService

Parameters:

callback - callback object to pass by reference

value - value to send

Returns:

service acknowledgement

invocationLog

public List<String> invocationLog()

Returns a safe invocation log snapshot.

Returns:

immutable invocation log