Accessing a ERP application over the internet using strongly typed ...

FIG. 3B

V WEB AGENT INVOKES SERVLETS TO DETERMINE USER ID.
PASSWORD, PANEL ID FROM THE DATA CONTINUES IN THE
OBJECT REQUEST. AN EMPTY INSTANCE OF THE REQUESTED
OBJECT IS CREATED. THE NEWLY CREATED OBJECT OBTAINS
A CONNECTION (VI) TO THE ERP APPLICATION THROUGH
THE ERP CONNECTOR. IN TURN THE ERP CONNECTOR
COMMUNICATES WITH THE ERP APPLICATION THROUGH

(VII) THE ERP NATIVE INTERFACE

VIII

DATA IS PASSED IN THROUGH THE ERP CONNECTION
TO THE ERP APPLICATION. THE ERP APPLICATION
LOADS PANEL USING THE DATA.

IX

ERP APPLICATION USING THE PANEL TO PROCESS
DATA (A) TO CHECK DATA VALIDITY/RELATIONSHIP
ETC (B) TO INSTRUCT DB MANAGER TO RETRIEVE
DATA BASED ON DATA FROM THE OBJECT REQUEST
SENT FROM WEB BROWSER TO WEB SERVER

X

DB MANAGER RETURNS STRONGLY TYPED DATA
TO THE PANEL IN THE ERP APPLICATION.

THE SAME DATA IS RETURNED BACK TO THE WEB AGENT

THROUGH:

XII (A) THE ERP NATIVE API (WEAKLY) TYPED IN FORM OF STRING.
XIII (B) THE ERP CONNECTOR API. THIS DATA IS WEAKLY TYPED

THE SAME DATA IS RETURNED TO THE WEB
SERVER THEN ON TO THE WEB BROWSER (XV)

FIG. 4

90

DATA OBJECT DTD

91

DATA OBJECT DESCRIPTION IN XML (Contains Java Attributes and Mapping to Backend)

DATA ACCESS CODE GENERATOR 92

93

CODE GENERATOR TEMPLATES
(Specifies the code to generate)

94

DATA ACCESS CODE
GENERATOR ROUTINE
(GENERATE CODE
UTILITY)

95

DATA ACCESS JAVA CLASSES