Adds a new relation to the current relation set.

  Adds a new relation to the current relation set. If the relation
is already in the relation set, the target(s) of the specified
relation is merged with the target(s) of the existing relation.
Otherwise, the new relation is added to the relation set.
Returns: true if relation is added to the relation set; false if the relation set is unchanged
Parameters:
- relation - the relation to add to the relation set

  Adds all of the relations to the existing relation set.

  Adds all of the relations to the existing relation set. Duplicate
entries are ignored.
Parameters:
- relations - AccessibleRelation array describing the relation set.

Removes all the relations from the current relation set.

  Returns whether the relation set contains a relation that matches the specified key.

  Returns whether the relation set contains a relation
that matches the specified key.
Returns: true if the relation is in the relation set; otherwise false
Parameters:
- key - the AccessibleRelation key

  Returns the relation that matches the specified key.

  Returns the relation that matches the specified key.
Returns: the relation, if one exists, that matches the specified key. Otherwise, null is returned.
Parameters:
- key - the AccessibleRelation key

  Removes a relation from the current relation set.

  Removes a relation from the current relation set. If the relation
is not in the set, the relation set will be unchanged and the
return value will be false. If the relation is in the relation
set, it will be removed from the set and the return value will be
true.
Returns: true if the relation is in the relation set; false if the relation set is unchanged
Parameters:
- relation - the relation to remove from the relation set

Returns the number of relations in the relation set.

  Returns the current relation set as an array of AccessibleRelation

  Returns the current relation set as an array of AccessibleRelation
Returns: AccessibleRelation array contacting the current relation.

  Creates a localized String representing all the relations in the set using the default locale.

  Creates a localized String representing all the relations in the set
using the default locale.
Returns: comma separated localized String
See Also: AccessibleBundle.toDisplayString(java.lang.String, java.util.Locale),