Apple WebObjects 5 Manual do Utilizador descarregar pdf (Página 80)

80 Java Client Architecture

 Apple Computer, Inc. January 2002

CHAPTER 6

WebObjects Desktop Applications

Working back up the diagram on the right side, the database server returns the rows

of requested data and, as usual, this data is converted to enterprise objects. The

server then sends copies of the requested objects to the client. When the client

receives the objects, it updates its user interface with values from the requested

objects.

Figure 6-7 Data flow in a Java Client application

Client

Server

Web server

Relational database

WebObjects

Client side user interface

WebObjects

Model

partNum W4378

color Red

size XL

retail 48.99

whole 25.00

.............

.............

.............

.............

partNum W4378

color Red

size XL

retail 48.99

..............

..............

..............

..............

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