Running procedures and user-defined functions

After connecting to an AppServer and creating a com.progress.open4gl.javaproxy.OpenAppObject, you can invoke application service code as follows:

Before running any procedure or user-defined function, you must set up any parameters and return types required by the procedure or user-defined function. For more information, see Settingup parameters. You can then pass the parameters to the procedure or user-defined function and manage them according to their modes (INPUT, INPUT-OUTPUT or OUTPUT). For more information, see Passing parameters.

After running any procedure or user-defined function, you must handle any output (returned values) or error conditions. For more information, see Handlingreturned values.

The following sections describe:

For examples that show how to run application service code, see SampleJava OpenAPI code.