org.wandora.topicmap.memory

Class AssociationImpl

java.lang.Object

org.wandora.topicmap.memory.AssociationImpl

All Implemented Interfaces:

Association

Direct Known Subclasses:

RemoteAssociation

public class AssociationImpl
extends java.lang.Object
implements Association

TODO: maybe we should check for duplicate associations when modifying association and throw an exception if found

Author:

olli

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Map<Topic,Topic>	players
private boolean	removed
private TopicMapImpl	topicMap
private Topic	type

Constructor Summary

Constructors

Constructor and Description
AssociationImpl(TopicMapImpl topicMap, Topic type) Creates a new instance of AssociationImpl

Method Summary

Modifier and Type	Method and Description
(package private) boolean	_equals(AssociationImpl a)
(package private) int	_hashCode()
void	addPlayer(Topic player, Topic role) Sets the player with the specified role replacing previous player with that role if it exists already.
void	addPlayers(java.util.Map<Topic,Topic> newPlayers) Adds players to the association.
(package private) void	checkRedundancy()
Topic	getPlayer(Topic role) Gets the player with the specified role.
java.util.Collection	getRoles() Gets a Collection of Topics containing the roles of this association.
TopicMap	getTopicMap() Gets the topic map this association belongs to.
Topic	getType() Gets the type of this association.
boolean	isRemoved() Tests if this association has been removed and thus this object is now invalid.
void	remove() Removes this association.
void	removePlayer(Topic role) Removes the player with the specified role.
void	setType(Topic t) Sets the type of this association replacing the previous type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

topicMap

private TopicMapImpl topicMap

type

private Topic type

players

private java.util.Map<Topic,Topic> players

removed

private boolean removed

Constructor Detail

AssociationImpl

public AssociationImpl(TopicMapImpl topicMap,
                       Topic type)
                throws TopicMapException

Creates a new instance of AssociationImpl

Throws:

TopicMapException

Method Detail

getPlayer

public Topic getPlayer(Topic role)

Description copied from interface: Association

Gets the player with the specified role.

Specified by:

getPlayer in interface Association

getRoles

public java.util.Collection getRoles()

Description copied from interface: Association

Gets a Collection of Topics containing the roles of this association.

Specified by:

getRoles in interface Association

getTopicMap

public TopicMap getTopicMap()

Description copied from interface: Association

Gets the topic map this association belongs to.

Specified by:

getTopicMap in interface Association

getType

public Topic getType()

Description copied from interface: Association

Gets the type of this association.

Specified by:

getType in interface Association

setType

public void setType(Topic t)
             throws TopicMapException

Description copied from interface: Association

Sets the type of this association replacing the previous type.

Specified by:

setType in interface Association

Throws:

TopicMapException

addPlayer

public void addPlayer(Topic player,
                      Topic role)
               throws TopicMapException

Description copied from interface: Association

Sets the player with the specified role replacing previous player with that role if it exists already.

Specified by:

addPlayer in interface Association

Throws:

TopicMapException

addPlayers

public void addPlayers(java.util.Map<Topic,Topic> newPlayers)
                throws TopicMapException

Description copied from interface: Association

Adds players to the association. Players are given in a map which maps roles to players.

Specified by:

addPlayers in interface Association

Throws:

TopicMapException

removePlayer

public void removePlayer(Topic role)
                  throws TopicMapException

Description copied from interface: Association

Removes the player with the specified role.

Specified by:

removePlayer in interface Association

Throws:

TopicMapException

remove

public void remove()
            throws TopicMapException

Description copied from interface: Association

Removes this association.

Specified by:

remove in interface Association

Throws:

TopicMapException

isRemoved

public boolean isRemoved()

Description copied from interface: Association

Tests if this association has been removed and thus this object is now invalid.

Specified by:

isRemoved in interface Association

checkRedundancy

void checkRedundancy()
              throws TopicMapException

Throws:

TopicMapException

_hashCode

int _hashCode()

_equals

boolean _equals(AssociationImpl a)