Creating, Editing and Deleting an Extension

You can create and edit extensions.

Note: Extensions belonging to the DS parent packages which cannot be specialized are not displayed.

This task shows you how to:

See Also
Modifying the Scope of an Extension
Creating, Editing, and Deleting an Attribute
Create an Abstract Type

Create a Specialization Extension

You can create a specialization extension by selecting a DS extension from the current package. Such extensions are used by applications to add behaviors and attributes to existing objects.

Notes:
  • Specialization extensions names shall contain alphanumeric characters and the "_" character only.
  • You can create a customer extension that derives from an abstract type.

  1. Click the Extensions tab, select the extension to which you want to add a subextension, and click New .
  2. Define the extension.
    1. Enter the extension name in the Name box.
    2. Optional: Enter a comment if need be.
    3. Select true to create a root type in the Abstract box.
    4. Click Done when you are finished with the extension creation.
      The extension appears in the List of Extensions window.
      • Name corresponds to the extension name.
      • Nature shows an icon indicating if the extension is a DS extension, a customer extension, or a specialization extension.
      • Scopes corresponds to the list of types the extension can be applied to.
      • Deployed shows the deployment information (yes, no, or partial).
      • Attributes shows the number of attributes.

Create a Customer Extension

You can create a root Customer Extension or a sub-extension if a customer extension is already selected.

Notes:
  • When you create a customer extension, you cannot modify its scope if a scope was already defined on the root extension.
  • Customer extensions names shall contain alphanumeric characters and the "_" character only.
  • You can create a customer extension that derives from an abstract type.

  1. In the Extensions tab, click New .
    Note: If you create a subextension, the Parent Extension box displays the name of the root extension.
  2. Define the extension.
    1. Enter the extension name in the Name box.
    2. In the Scopes box, click ... to display the Types List. This list shows the types the extension can be applied to.
      The Types List window opens.
    3. Click one of the types and click Submit.
    4. Optional: Enter a comment if need be.
    5. Click Done when you are finished with the extension creation.
      The extension appears in the List of Extensions window.
      • Name corresponds to the extension name.
      • Nature shows an icon indicating if the extension is a DS extension, a customer extension, or a specialization extension.
      • Scopes corresponds to the list of types the extension can be applied to. The scope of the extension comprises the extendable types you created whatever the package they belong to.
      • Deployed shows the deployment information (yes, no, or partial).
      • Attributes shows the number of attributes.

  • You can add attributes to extensions.
  • Uniqueness keys may be delivered along with DS packages. If the root package contains unique keys, they are displayed in the Attributes tab. For more information about unique keys, see Model Customization: Unique Key.

Delete a Customer/Specialization Extension From the User Interface

You can delete a customer/specialization extension as long as it is not used by an object.

Notes:
  • You cannot delete an extension with sub-extensions. Delete the sub-extensions first, and then delete the extension.
  • You cannot simultaneously select an extension and its sub-extension to delete them.

  1. Select the extension.
  2. Click Delete .
    All attributes related to this extension are deleted.

Delete a Customer/Specialization Extension Using a Shell Script

You can delete a customer/specialization extension using the CustoDataTool2.sh shell script as long as it is not used by an object.

Note: When the -deleateAbsent argument is declared, the metadata file is imported and all missing entities are deleted.

Open a command window and enter the following command: <intall_directory>/server/scripts/CustoDataTool2.sh -file on Unix andCustoDataTool2.bat on Windows.
For example, enter CustoDataTool2.sh –password creatorPassword -file /tmp/CustoPackage.zip –deleteAbsent.