/**
* Fetches the <tt>ServerEntityData</tt> representing a given entity. Will create and return a new
* dummy element if no element exists.
*
* <p>Dummy elements are registered and unregistered on demand. If no dummy element is created,
* the reference returned by <tt>entity.getData</tt> will be returned.
*
* @param entity the entity
* @return either the same reference that <tt>entity.getData</tt> would return or a newly created
* <tt>ServerEntityData</tt> if <tt>entity.getData</tt> would return <tt>null</tt>
*/
public ServerEntityData getData(SyncEntity entity) {
ServerEntityData data = (ServerEntityData) entity.getData();
if (data != null) {
return data;
}
return new ServerEntityData(this, idGenerator.generateAndReserve(), entity);
}
/**
* Creates a new <tt>ServerCoreModule</tt> that will be managed by a given <tt>SyncAppState</tt>.
*
* <p>This constructor will be called reflectively by <tt>appState</tt>.
*
* @param appState the <tt>SyncAppState</tt> that creates this <tt>ServerCoreModule</tt>
*/
public ServerCoreModule(ServerSyncAppState appState) {
super(appState, false);
idGenerator = new IdGenerator();
idGenerator.reserve(EntityProvider.NULL_ID);
connectionData = new HashMap<MessageConnection, ServerConnectionInfo>();
}