Rational Developer for System z

Part 4. Add descriptors to the screen descriptions

In this section your will add descriptors to the screen descriptions.

Screens are associated with screen descriptions to assist in screen recognition logic. Each time that a screen is recorded during flow recording, the host editor creates a screen description containing default descriptors: a number of input fields descriptor, a total number of fields descriptor, and a checksum descriptor. (You can use the standard default descriptors or specify others). For more information on screen descriptions and descriptors, see Creating a screen message and Screen message, screen description, descriptor.

Add a screen descriptors to each of the screens that were captured when you recorded the flow:
  1. Open the first screen description in the screen message editor:
    1. In the EST Project Explorer, expand SampleProject.Terminal and Messages.
    2. Right-click blank_1_fields.sfmxsd and click Open.

      The screen message editor opens.

  2. Click the Screen Descriptions tab at the bottom of the editor area.
  3. Expand the Descriptions tree.
  4. When a screen is recorded, the host editor creates a screen description containing three descriptors: Fields, Input Fields, and Fields Checksum. This tutorial adds a Field Pattern descriptor.
  5. Right-click blank_1_fields and click Add Descriptor > Add Field Pattern Descriptor.
  6. This screen contains only one field (which covers the entire application screen). Therefore, click once, anywhere in Field 1, to add the descriptor. In the Properties view, Field1 should appear as the Field and Pattern should contain 1920 blank space characters.
  7. Save the changes to the screen description by pressing Ctrl-S.
  8. Close the screen message editor.
  9. Repeat Steps 1-8 for the other two screens.
    1. For FileInquir_1.sfmxsd, use the field containing FILE INQUIRY for the field pattern descriptor:
    2. For OperatorIn_1.sfmxsd, use the field containing OPERATOR INSTRUCTIONS as the field pattern descriptor:

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