Developing Model-to-Model Transformations - Eclipse Modeling Project: A Domain-Specific Language Toolkit - page 240

6.5.2 QVT OML Editor

Eclipse M2M QVT Operational (QVTO) provides an editor for working with
QVT OML ( *.qvto ) files, with many of the features you'd expect from an
Eclipse-based editor (although there is room for improvement). Code comple-
tion, syntax highlighting, templates, navigation into metamodel browser, error
markers, and more are provided. Figure 6-5 is an example of code completion
available in the editor.

Figure 6-5 Operational QVT code completion

6.5.3 Metamodel Explorer

Metamodel Explorer view shows a list of registered Ecore models in the platform
and the workspace. It provides a navigation link from the editor to this naviga-
tor. You use the Open Declaration context menu or press F3 with the cursor over
a metamodel element to open Metamodel Explorer (if it is not already open) and
expand the view to the selected element. Figure 6-6 is an image of the view and
shows platform and workspace registered metamodels. Note that the view has a
number of navigation, filtering, and search features. Still, you can imagine a
number of nice features here: actions to create transformations for selected mod-
els, mappings between selected elements, or a diagram for the selected model(s).

6.5.4 Launch Configuration

To run transformations, an Eclipse launch configuration type is added for
Operational QVT. Launch configurations have three tabs for setting launch
parameters: Transformation , Configuration , and Common . The Transformation
tab includes the main properties, as shown in Figure 6-7. This tab specifies the
launch configuration name, transformation module and trace file option, and
input and output transformation parameters.