MAssociation (Ontopia)

All Superinterfaces:

AssociationIF, MTMObject, ReifiableIF, ScopedIF, TMObjectIF, TypedIF
```
public interface MAssociation
extends MTMObject, AssociationIF
```

Field Summary
- Fields inherited from interface net.ontopia.topicmaps.core.AssociationIF
  EVENT_ADD_ROLE, EVENT_ADD_THEME, EVENT_ADDED, EVENT_REMOVE_ROLE, EVENT_REMOVE_THEME, EVENT_REMOVED, EVENT_SET_TYPE
- Fields inherited from interface net.ontopia.topicmaps.core.ReifiableIF
  EVENT_SET_REIFIER
- Fields inherited from interface net.ontopia.topicmaps.core.TMObjectIF
  EVENT_ADD_ITEMIDENTIFIER, EVENT_REMOVE_ITEMIDENTIFIER, MSG_NULL_ARGUMENT

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Collection<TopicIF>`	`getRoleTypes()`	PUBLIC: Gets a Collection of association role types found in this association.

Methods inherited from interface net.ontopia.topicmaps.core.AssociationIF
getRoles, getRolesByType

Methods inherited from interface net.ontopia.topicmaps.core.ReifiableIF
getReifier, setReifier

Methods inherited from interface net.ontopia.topicmaps.core.ScopedIF
addTheme, getScope, removeTheme

Methods inherited from interface net.ontopia.topicmaps.core.TMObjectIF
addItemIdentifier, getItemIdentifiers, getObjectId, getTopicMap, isReadOnly, remove, removeItemIdentifier

Methods inherited from interface net.ontopia.topicmaps.core.TypedIF
getType, setType

- Method Detail
  - getRoleTypes
```
Collection<TopicIF> getRoleTypes()
```
    Description copied from interface: AssociationIF
    
    PUBLIC: Gets a Collection of association role types found in this association. The returned collection does not contain any duplicates. Even if some roles have no type, null will not be returned as one of the role types in the returned set.
    
    Specified by:
    
    getRoleTypes in interface AssociationIF
    
    Returns:
    
    A Collection of TopicIF objects.