Rational Programming Patterns

Meta Entity (Type) or Meta Data Aggregate Overview tab

The sections in the Overview tab are common to the Meta Entities, Meta Entity Types, or Meta Data Aggregates such as the name, label, Keywords, Composition and the Documentation. However, some of them are specific to the entity type, such as the list of the User Entities created from the Meta Entity or the section Entity which is specific to the Meta Entity type. From the sections with read-only data, you can access the tabs where the information can be modified with the use of buttons.

Description of the tab

Three sections are not tabs. They are displayed in the Overview tab only: Alerts and Action Items, General information, and Generation parameters definition (on some entities).

All the other sections provide links to the corresponding editor tabs.

If information is displayed in a section, you can carry out either of the following actions:
  • Click it if it is displayed as a link. You automatically switch to where the information is specified.
  • Click the More button to switch to the corresponding tab.

If no information is displayed in the section, click the symbol in front of the section name. It gives you access to the More button. Click it to access the corresponding tab.

The sections of the tab

Alerts and Action Items
Any problem that is related to the current instance is displayed in this section as a link. If you click this link, you automatically switch to the Problems view, where the line that corresponds to the error is highlighted. The error is explained and you can correct it.
General information displays the following fields:
Work context
The work context is the project from which you open the editor of the current instance. This project constitutes the starting point for the resolution of the dynamic links and references between the instances of the various projects. The projects hierarchy that is declared in the design build path is explored in an upward direction.

If you click Hierarchy, you can see a partial view of the design build path. In this view, the project that constitutes the work context is the lowest project of the hierarchy.

More information can be found in the following links: The work context and The design build path.

Name
The instance name is displayed in read-only mode. It is entered when the instance is created, and it cannot be modified later.
Label
Enter the label that identifies the instance. It will constitute a search criterion for a subsequent search.

User entities

In this section, you find the list of 'User entities' which are instances of the Meta Entity. If no User Entity has ever been created for this Meta Entity, the list is empty.

From the other sections, you can switch to the following tabs of the Meta Entity editor:
  • The Composition tab, to describe and define the structure of a User Entity
  • The Documentation tab, to write comments on the Meta Entity
  • The Keywords tab to specify the keywords for the Meta Entity

Types

This section is specific to the Meta Entity type only, it is not available for other entities. It contains the different types of entities extended by the current Meta Entity Type. To change an entity type by another one, select an entity type in the list, click Change and select another type of entity in the selection box displayed. Click OK to validate.


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