Developer Transformation Guide

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Creating an Expression and Generating Java Code by Using the Define Function Dialog Box

Creating an Expression and Generating Java Code by Using the
Define Function
Dialog Box

You can create a function that invokes an expression in the

Define Function

dialog box.

Complete the following steps to create a function that invokes an expression:

In the Developer, open a Java transformation or create a new Java transformation.

On the

Java Code

tab, click

New Function

The

Define Function

dialog box appears.

Enter a function name.

Optionally, enter a description for the expression.

Enter up to 2,000 characters.

Create the

arguments

for the function.

When you create the

arguments

, configure the

argument

name, datatype, precision, and scale.

On the

Expression

tab, create an expression with the arguments that you created.

To validate the expression, click

Validate

Optionally, enter the expression in the

Expression

box. Then, click

Validate

to validate the expression.

To generate Java code by using the advanced interface, select the

Generate Advanced Code

option. Then, click

Generate

The

Developer

generates the function to invoke the expression on the

Functions

code entry tab.

Using the Define Function Dialog Box to Define an Expression

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Table of Contents

Developer Transformation Guide

Developer Transformation Guide

Creating an Expression and Generating Java Code by Using the Define Function Dialog Box

Creating an Expression and Generating Java Code by Using the Define Function Dialog Box

Creating an Expression and Generating Java Code by Using the
Define Function
Dialog Box