Picture of JavaBean and JDK1.1 AWT Event Model

4)Invoke High Performance Message Transfer between Observers and Sources specified in Message Event

3)Source Callbacks Listener with Message Event

Listener

SourceControl

(proxy)

1)Register Listeners

with Master Source

Server Tier

Data Source

Data Sink(Observers)

5)Actual Data Transfer

High Performance Tier

2)Prepare

Message Event in Source Control at middle or backend tier

1)Register Observers with Listener

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