Direct Known Subclasses:

AbstractTypingTopic, AssociationField, Cardinality, CreateAction, DataType, EditMode, FieldDefinition, FieldsView, InterfaceControl
```
public class Topic
extends Object
```
INTERNAL: Common superclass for all topics, like instances, association types, topic types, role types, etc. FIXME: Should there be another subtype for isHidden, isReadOnly etc?

Constructor Summary

Constructors
Constructor Description

Topic(TopicIF topicIF, TopicMap tm)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addTopicType(TopicType type)`	Adds the topic type to the list of topic types that topic is a direct instance of.
`Topic`	`copyCharacteristics()`
`boolean`	`equals(Object o)`
`protected void`	`findDependentObjects(Collection<Topic> alreadyKnownDependentObjects)`	Find all objects that are dependent on this topic and that should be removed if this topic is removed.
`Collection<Topic>`	`getDependentObjects()`
`List<FieldInstance>`	`getFieldInstances(TopicType topicType)`
`List<FieldInstance>`	`getFieldInstances(TopicType topicType, FieldsView fieldsView)`
`String`	`getId()`	Gets the id of this topic.
`TopicType`	`getMostSpecificTopicType(TopicType topicType)`	Given the topic type, find the subtype that is the specific type of this topic.
`String`	`getName()`	Gets the unscoped name of the topic.
`TopicIF`	`getTopicIF()`	Gets the topicIF object of this topic.
`TopicMap`	`getTopicMap()`	Gets the topicMap this topic belongs to.
`List<TopicType>`	`getTopicTypes()`	Returns the topic types of which this topic is a direct instance.
`int`	`hashCode()`
`boolean`	`isAssociationType()`	Tests whether this topic is an association type.
`boolean`	`isFieldDefinition()`	Tests whether this topic is a field definition or an association field.
`boolean`	`isInstanceOf(LocatorIF psi)`
`boolean`	`isInstanceOf(Topic type)`
`boolean`	`isNameType()`	Tests whether this topic is a name type.
`boolean`	`isOccurrenceType()`	Tests whether this topic is an occurrence type.
`boolean`	`isOntologyTopic()`	Tests whether this topic is an instance of an ontology type, i.e.
`boolean`	`isOntologyType()`	Tests whether this topic is an ontology type, i.e.
`boolean`	`isPrivateSystemTopic()`
`boolean`	`isPublicSystemTopic()`
`boolean`	`isRoleType()`	Tests whether this topic is a role type.
`boolean`	`isSystemTopic()`	Tests whether this topic is a system topic type.
`boolean`	`isTopicMap()`	Tests whether this topic is a topic map.
`boolean`	`isTopicType()`	Tests whether this topic is a topic type.
`void`	`remove(LifeCycleListener listener)`	Removes the topic from the topic map.
`void`	`removeTopicType(TopicType type)`	Removes the topic type from the list of topic types that topic is a direct instance of.
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - Topic
```
public Topic(TopicIF topicIF,
             TopicMap tm)
```
    Constructor.
    
    Parameters:
    
    topicIF - the TopicIF object associated with this topic.
    
    tm - the TopicMap this topic belongs to.
- Method Detail
  - getId
```
public String getId()
```
    Gets the id of this topic.
    
    Returns:
    
    the id of this topic.
  - getTopicIF
```
public TopicIF getTopicIF()
```
    Gets the topicIF object of this topic.
    
    Returns:
    
    the topicIF object of this topic.
  - getTopicMap
```
public TopicMap getTopicMap()
```
    Gets the topicMap this topic belongs to.
    
    Returns:
    
    the topicMap this topic belongs to.
  - getName
```
public String getName()
```
    Gets the unscoped name of the topic.
    
    Returns:
    
    the unscoped name of the topic or null if no name has been set.
  - isTopicMap
```
public boolean isTopicMap()
```
    Tests whether this topic is a topic map.
    
    Returns:
    
    true if this is a topic map.
  - isTopicType
```
public boolean isTopicType()
```
    Tests whether this topic is a topic type.
    
    Returns:
    
    true if this is a topic type.
  - isNameType
```
public boolean isNameType()
```
    Tests whether this topic is a name type.
    
    Returns:
    
    true if this is a name type.
  - isOccurrenceType
```
public boolean isOccurrenceType()
```
    Tests whether this topic is an occurrence type.
    
    Returns:
    
    true if this is an occurrence type.
  - isAssociationType
```
public boolean isAssociationType()
```
    Tests whether this topic is an association type.
    
    Returns:
    
    true if this is an association type.
  - isRoleType
```
public boolean isRoleType()
```
    Tests whether this topic is a role type.
    
    Returns:
    
    true if this is a role type.
  - isFieldDefinition
```
public boolean isFieldDefinition()
```
    Tests whether this topic is a field definition or an association field.
    
    Returns:
    
    true if this is a role type.
  - isSystemTopic
```
public boolean isSystemTopic()
```
    Tests whether this topic is a system topic type.
    
    Returns:
    
    true if this is a system topic type.
  - isPrivateSystemTopic
```
public boolean isPrivateSystemTopic()
```
  - isPublicSystemTopic
```
public boolean isPublicSystemTopic()
```
  - isOntologyTopic
```
public boolean isOntologyTopic()
```
    Tests whether this topic is an instance of an ontology type, i.e. an instance of topic type, name type, occurrence type, association type or role type.
    
    Returns:
    
    true if this is an instance of an ontology type.
  - isOntologyType
```
public boolean isOntologyType()
```
    Tests whether this topic is an ontology type, i.e. topic type, name type, occurrence type, association type or role type.
    
    Returns:
    
    true if this is an ontology type.
  - getMostSpecificTopicType
```
public TopicType getMostSpecificTopicType(TopicType topicType)
```
    Given the topic type, find the subtype that is the specific type of this topic. The topic type given is usually a super type of the specific type. If null is returned then the topic type is not a super type of this topic.
    
    Parameters:
    
    topicType - the super type of this topic
    
    Returns:
    
    the most specific type of this type, or null if there is none.
  - getTopicTypes
```
public List<TopicType> getTopicTypes()
```
    Returns the topic types of which this topic is a direct instance.
  - addTopicType
```
public void addTopicType(TopicType type)
```
    Adds the topic type to the list of topic types that topic is a direct instance of.
  - removeTopicType
```
public void removeTopicType(TopicType type)
```
    Removes the topic type from the list of topic types that topic is a direct instance of.
  - getFieldInstances
```
public List<FieldInstance> getFieldInstances(TopicType topicType)
```
  - getFieldInstances
```
public List<FieldInstance> getFieldInstances(TopicType topicType,
                                             FieldsView fieldsView)
```
  - remove
```
public void remove(LifeCycleListener listener)
```
    Removes the topic from the topic map.
    
    Parameters:
    
    listener - listener that gets call back from the deleting this topic, and any dependencies.p
  - getDependentObjects
```
public Collection<Topic> getDependentObjects()
```
  - findDependentObjects
```
protected void findDependentObjects(Collection<Topic> alreadyKnownDependentObjects)
```
    Find all objects that are dependent on this topic and that should be removed if this topic is removed. At the moment a dependent object is an object that is associated to this topic through a role field that has on:create-only-mode enabled. The dependencies are transitive.
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - copyCharacteristics
```
public Topic copyCharacteristics()
```
  - isInstanceOf
```
public boolean isInstanceOf(Topic type)
```
  - isInstanceOf
```
public boolean isInstanceOf(LocatorIF psi)
```

Class Topic

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Topic

Method Detail

getId

getTopicIF

getTopicMap

getName

isTopicMap

isTopicType

isNameType

isOccurrenceType

isAssociationType

isRoleType

isFieldDefinition

isSystemTopic

isPrivateSystemTopic

isPublicSystemTopic

isOntologyTopic

isOntologyType

getMostSpecificTopicType

getTopicTypes

addTopicType

removeTopicType

getFieldInstances

getFieldInstances

remove

getDependentObjects

findDependentObjects

equals

hashCode

toString

copyCharacteristics

isInstanceOf

isInstanceOf