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Introduction

This topic describes the University sample applications provided with the WebLogic Enterprise (WLE) software. The sample applications provide client and server programmers with the basic concepts of developing distributed client/server applications using the WLE software and introduces many of the more advanced features of the WLE product.

This topic includes the following sections:

An Overview of the University Sample Applications

The WLE software includes a sample application suite based on client and server applications implemented at a university. Each University sample application demonstrates a new set of WLE features while building on the experience obtained from the previous examples. The University sample applications are intentionally simplified to demonstrate only the steps and processes associated with using a particular feature of the WLE product.

Table 1-1 decribes the University sample applications.

Table 1-1 The University Sample Applications

University
Sample Application

Description

Basic

Describes how to create WLE client and server applications, configure the WLE application, and build and run the client and server applications included in the Basic sample application. CORBA C++, CORBA Java, and ActiveX client applications are provided as well as a C++ server application.

Security

Adds application-level security to the client applications in the Basic sample application and to the configuration of the WLE application.

Transactions

Adds transactional objects to the client and server applications in the Basic sample application. The Transactions sample application demonstrates how to use the Implementation Configuration File (ICF) to define transaction policies for CORBA objects.

Wrapper

Demonstrates how to wrap an existing BEA TUXEDO application as a CORBA object.

Production

Demonstrates replicating server applications, creating stateless objects, and implementing factory-based routing in server applications.

Use the University sample applications in conjunction with the following manuals:

Naming Conventions Used in the University Sample Applications

The naming conventions listed and described in Table 1-2 are used in the code of the University sample applications:

Table 1-2 Naming Conventions Used in the University Sample Applications

Convention

Description

crs

The abbreviation for course.

syn

The abbreviation for synopsis.

det

The abbreviation for details.

lst

The abbreviation for list.

enum

The abbreviation for enumerator.

stu

The abbreviation for student.

num

The abbreviation for number.

cur

The abbreviation for current.

_oref

A CORBA::Object reference.

_ref

A typed object reference.

p_

The abbreviation for ptr.

v_

The abbreviation for var.

s_

The abbreviation for file static data.

m_

The abbreviation for class member data.

method names and variable names

Use all lowercase letters for the name and underscores to separate words within the method name (for example, m_v_crs_syn_list is member data that is a var holding a course synopsis list).

type names

Start with an uppercase letter and use an uppercase letter to separate words with a type name. Type names do not use abbreviations. An example of a type name is UniversityB::CourseSynopsisEnumerator_var .

 

 

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