Advanced properties on model elements

When querying through EOL, we can access several extra properties on any model element:

• eContainer: returns the model element that contains this one, or fails if it does not have a container.
• eContainers: safer version of eContainer which returns a single-element collection with the model element that contains this one, or an empty collection if it does not have a container. Useful for closures.
• eContents: returns a collection with all the model elements contained within this one.
• hawkFile: returns a string with the repository paths of the files that this model element belongs to, separated by ";".
• hawkFiles: returns a collection with the repository paths of all the files that this model element belongs to.
• hawkIn: returns a collection with all the model elements accessible through incoming references.
• hawkInEdges: returns a collection with all the incoming references (see their attributes below).
• hawkOut: returns a collection with all the model elements accessible through outgoing references.
• hawkOutEdges: returns a collection with all the outgoing references (see their attributes below).
• hawkRepo: returns a string with the URLs of the repositories that this model element belongs to, separated by ";".
• hawkRepos: returns a collection with all the repositories that this model element belongs to.
• hawkURIFragment: returns the URI fragment of the model element within its file.

There is also the isContainedWithin(repo, path) method for checking if an element is directly or indirectly contained within a certain file.

References are wrapped into entities of their own, with the following attributes:

• edge: raw edge, without wrapping.
• type / name: name of the reference.
• source / startNode: source of the reference.
• target / endNode: target of the reference.