iAnywhere Water System User Manual

Defining parameters

A parameter is a specification of a variable that can be changed, passed, or

returned. Parameters are used only for operations.

A parameter always has a direction, which indicates the flow of information.

Parameter properties

A parameter has the following properties:

Property Description

Maximum

length

Parent Operation to which the parameter belongs to 254

Name Name of the parameter 254

Code Reference name for the parameter 254

Comment Descriptive comment for the parameter —

Data Type Set of instances that share the same operations,

abstract attributes, and relationships, and semantics

—

Array Used in generating and reverse engineering for Java

and PowerBuilder. When selected, arranges attributes

into table format

—

Parameter

Type

Direction of information flow of the parameter 254

The choice you make in the Direction dropdown listbox indicates what value

is returned when the parameter is called by the operation during the execution

process.

You can set the following values for the direction:

Value Description

In Input parameter passed by value. The final value may not be modified

and information is not available to the caller

In\Out Input parameter that may be modified. The final value may be modified

to communicate information to the caller

Out Output parameter. The final value may be modified to communicate

information to the caller

Direction