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About this book

Who this book is for

Conventions used in this book

Tell us what you think

Developing server applications

Introducing VAST Server

The Smalltalk development environment

The Smalltalk cross development environment

Using passive images

Keeping an image and its runtime code in sync

Maintaining Smalltalk code between development and passive images

Recovering when the development image crashes

Preparing projects for cross development

Examining a subapplication's configuration expressions

Resolving global references

Referring to the Smalltalk dictionary

Referring to the current image

Referring to the current image's Smalltalk dictionary

Declaring pool dictionaries, pool constants and globals

Referring to a global in the current image

Referring to a subsystem type in the current image

Examining the application's toBeLoadedCode and wasRemovedCode

Examining the loaded and initializeAfterLoad code

Project design hints for server platforms

Developing projects for native server environments

Making applications headless

Handling processes concurrently

Loading sample Applications

Using Smalltalk to develop CICS applications

Accessing CICS services using Smalltalk

Invoking CICS commands from Smalltalk

Finding output when using the Transcript class

Testing for error conditions

Developing a CICS application

Developing your CICS application on the workstation

Using call-in support

Supported environments

Functions provided

Application design considerations

Workstation environment

Server execution environments

Supported languages and environments

Building your application

Function descriptions

Building your application for Windows or UNIX

Using call-out support (inter-language communication)

Example call to a COBOL application

Packaging server applications

Step 1: Establishing prerequisites

Step 2: Releasing all classes to your Application(s)

Packaging a Smalltalk image

Managing packaging instructions

Packaging Steps

Create the passive image

Set the current image

Load code into the passive image

Set up the development and target environments for interactive debug

Packaging your project as a single module

Step 3: Making the passive image the current image

Step 4: Loading your project into the passive image

Step 5: Producing the packaged single image

Browse Packaged Images

Create New Instructions

Modify Instructions

Examine & Fix Problems

Save Instructions

Versioning packaging instructions

Example: Simple Single Module Packaging

Example: Seaside HelloWorld Single Module Packaging

Example: Seaside Traffic Light Single Module Packaging

Packaging into image components

Multiple (reusable/leaf) IC packaging for other server environments

Packaging a base or reusable module

Browse Packaged Images

Create New Instructions

Modify Instructions

Examine & Fix Problems

Save Instuctions

Packaging a dependent or leaf module

Browse Packaged Images

Create New Instructions

Modify Instructions

Examine & Fix Problems

Save Instructions

Automated XD Building

Testing server applications

Running a packaged image

Running Hello World

Running Seaside Hello World

Running Seaside Traffic Light

Debugging Smalltalk errors

Using the stack trace

Using the stack dump debugger

Viewing a stack dump in Smalltalk

Writing a stack dump exception routine

Using the interactive debugger

Setting up the Smalltalk interactive debug facility

Initiating the interactive debugger

Using the interactive debugger Transcript

Changing methods during debugging

Disconnecting the interactive debugger

Deploying server applications

Deploying server applications on CICS

Deploying on TXSeries for Multiplatforms

Adding your application to Windows Services

Making your application into a Windows Service

Appendix A. DB2 SQL error codes

Appendix B. CICS Smalltalk classes

ADDRESS command

ALLOCATE command

ASKTIME command

CONNECT PROCESS command

CONVERSE command

DELETEQ TD command

DELETEQ TS command

EXTRACT ATTRIBUTES command

EXTRACT PROCESS command

FORMATTIME command

FREEMAIN command

GETMAIN command

INQUIRE FILE command

INQUIRE PROGRAM command

INQUIRE TDQUEUE command

INQUIRE TRANSACTION command

ISSUE ABEND command

ISSUE CONFIRMATION command

ISSUE ERROR command

ISSUE SIGNAL command

READNEXT command

READPREV command

READQ TD command

READQ TS command

RECEIVE command

RECEIVE (APPC) command

RESETBR command

RETRIEVE command

REWRITE command

SEND (APPC) command

SEND CONTROL command

SEND TEXT command

SET FILE command

SET FILE CLOSED command

SET FILE DISABLED command

SET FILE ENABLED command

SET FILE OPEN command

SET TDQUEUE command

STARTBR command

SUSPEND command

SYNCPOINT command

WAIT CONVID command

WRITEQ TD command

WRITEQ TS command

Appendix C. CICS return codes