A behavior with implementation-specific semantics. The opaque behavior is introduced for implementation-specific behavior or for use as a place-holder before one of the other behaviors is chosen.

 

To create an opaque behavior

  1. In the Containment tree, select a package and from the shortcut menu, select Create Element > Opaque Behavior.
  2. Enter a name for the new opaque behavior.
  3. In the Specification window of the opaque behavior, click the cell of the Body and Language property value, and then click . The Body and Language dialog opens.
  4. From the Language drop-down list, select a language.
  5. In the Body area, define the expression.

 

To change an opaque behavior display mode on state or transition shapes

  1. In the State or Transition shape shortcut menu, select Symbol Properties.
  2. In the Opaque Behavior Display Mode property value cell, select either Body or Name.

 

To create a symbol of an opaque behavior

  • In the Containment tree, select the opaque behavior and drag it to the diagram pane.
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