Browsing a metamodel

The Metamodel editor is a read-only metamodel viewer. It enables to go thought the contents of a metamodel: types, attributes and references. You can open a metamodel editor from the Models view.

This editor displays the list of types defined in the metamodel. When a type is selected, its super-types and sub-types are displayed in the Hierarchy section. Its attributes and references are displayed in the Features section.

Types

This section displays meta-types, enumerations and data types defined in the metamodel. You can customize this type list from the section toolbar:

Hierarchy Layout: enable to display types based on inheritance.
Filters: enable or disable filters, to hide enumerations for example.
Working Sets: activate or deactivate a working set, if any, to reveal a specific point of view on the metamodel.

Hierarchy

This section displays the hierarchy of the selected type: both super-types and sub-types.

Features

This section displays the features (attributes and references) of the selected type. You can customize this feature list from the section toolbar:

Inherited Features: show or hide features defined by super-types.
Filters: enable or disable filters, to hide derived features or containment references for example.
Label Decorations: enable or disable decorators, to reference's type name for example.
Working Sets: activate or deactivate a working set, if any, to reveal a specific point of view on features.

Properties view

The Properties view (Show Properties View... in the contextual menu) enables to show details about the selected type or feature. You can navigate into the metamodel using hyperlinks in this view, for example to switch from a reference to its type or its opposite.

Search

You can query the contents of the metamodel in different manners:

based on a textual query, in the Search dialog
based on the selected type or feature, using the contextual menu, to ask for declarations or references.

Related concepts
Metamodel