Server Guide
The CICS Smalltalk classes correspond to the CICS commands that can be used
in either CICS for workstation or CICS/ESA. The reference section that
follows lists the commands in alphabetic order. The methods for each
class represent the parameters you can issue on the CICS commands.
For more information about how to write Smalltalk code to invoke these
commands, or to learn more about the types of methods you will find in the
tables, see Accessing CICS services using Smalltalk.
For the syntax of any command or for a description of each method supported
by VisualAge Smalltalk Server, see CICS Application
Programming Reference.
The table for each command indicates the mode of each option; that is,
whether it is an input, output, or input/output option.
The table also provides the type of each option:
- Binary
- The option refers to a 32-bit or a 16-bit integer.
- Fixed
- The option's maximum allowable length is predefined by CICS. A
program name, a file name, and a queue name are examples of fixed-type
input. Although Smalltalk does not require a program name to be eight
characters long, CICS places the program name in an eight character area in
storage, padded with blanks.
Smalltalk pads blanks for you if the length of the data supplied is less
than the maximum length defined for the option.
- OSMemory
- The option must be a subclass of either OsPtr or
CICSObject.
- Packed
- The option is a packed decimal whose maximum allowable length is
predefined by CICS.
- Switch
- The option is an input option for which no data value is supplied but
whose presence affects the behavior of a command. A switch is a
zero-argument message, one in which the command option as specified by CICS
does not define input data.
- Variable
- The option is one in which the value inserted can be variable
length. CICS often requires that length information be supplied.
The arguments recognized with a variable-type input are strings, byte arrays,
and OsPtr derivatives.
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