Package org.vrspace.server.core

Class WorldManager

java.lang.Object

org.vrspace.server.core.WorldManager

@Component("world")
@DependsOn("database")
public class WorldManager
extends Object

Main component that manages all interactions with virtual worlds.

Author:

joe

Field Summary

Fields

Modifier and Type	Field	Description
protected ConcurrentHashMap<ID,Entity>	cache
protected ClientFactory	clientFactory
protected ServerConfig	config
protected com.fasterxml.jackson.databind.ObjectMapper	jackson
protected SceneProperties	sceneProperties
protected SessionTracker	sessionTracker

Constructor Summary

Constructors

Constructor	Description
WorldManager()

Method Summary

Modifier and Type	Method	Description
List<VRObject>	add(Client client, List<VRObject> objects)	Add objects to client's current position
World	defaultWorld()
void	dispatch(VREvent event)
Welcome	enter(Client client, String worldName)
Welcome	enter(Client client, World world)
List<Entity>	find(Predicate<? super Entity> filter)	Find some objects, in-memory operation on cache.
protected VRObject	get(ID id)
Client	getClientByName(String name)
<T extends Client> T	getClientByName(String name, Class<T> cls)
World	getOrCreateWorld(String name)
Set<VRObject>	getPermanents(Client client)
Set<VRObject>	getRange(Client client, Point from, Point to)
World	getWorld(String name)
void	init()
List<Class<?>>	listClasses()
Welcome	login(org.springframework.web.socket.handler.ConcurrentWebSocketSessionDecorator session)	Remote user login over websocket.
Welcome	login(org.springframework.web.socket.handler.ConcurrentWebSocketSessionDecorator session, Class<? extends Client> clientClass)	Common login procedure for both users and remote servers.
void	login(Client client)	Stage 2 of login, executed once client has been identified.
void	logout(Client client)
void	remove(Client client, VRObject obj)
<T extends VRObject> T	save(T obj)
World	saveWorld(World world)
Welcome	serverLogin(org.springframework.web.socket.handler.ConcurrentWebSocketSessionDecorator session)	Login for remote servers
void	startSession(Client client)

Methods inherited from class java.lang.Object

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

Field Detail

config

@Autowired
protected ServerConfig config

sceneProperties

@Autowired
protected SceneProperties sceneProperties

jackson

@Autowired
protected com.fasterxml.jackson.databind.ObjectMapper jackson

clientFactory

@Autowired
protected ClientFactory clientFactory

sessionTracker

protected SessionTracker sessionTracker

cache

protected ConcurrentHashMap<ID,Entity> cache

Constructor Detail

WorldManager

public WorldManager()

Method Detail

init

@PostConstruct
public void init()

get

protected VRObject get(ID id)

find

public List<Entity> find(Predicate<? super Entity> filter)

Find some objects, in-memory operation on cache.

Parameters:

filter - Predicate to select objects, e.g. o->o.isActive()

Returns:

listClasses

public List<Class<?>> listClasses()

getWorld

public World getWorld(String name)

saveWorld

public World saveWorld(World world)

getOrCreateWorld

public World getOrCreateWorld(String name)

getClientByName

public Client getClientByName(String name)

getClientByName

public <T extends Client> T getClientByName(String name,
                                            Class<T> cls)

save

public <T extends VRObject> T save(T obj)

getRange

public Set<VRObject> getRange(Client client,
                              Point from,
                              Point to)

getPermanents

public Set<VRObject> getPermanents(Client client)

add

public List<VRObject> add(Client client,
                          List<VRObject> objects)

Add objects to client's current position

Parameters:

client - client adding objects

objects - objects to add

Returns:

list of added objects

remove

public void remove(Client client,
                   VRObject obj)

login

@Transactional
public Welcome login(org.springframework.web.socket.handler.ConcurrentWebSocketSessionDecorator session)

Remote user login over websocket. Called from SessionManager, after websocket session has been established. Uses session security context (principal) to identify user and fetch/create the appropriate Client object from the ClientFactory. May create a new guest client, if guest (anonymous) connections are allowed.

Parameters:

session - websocket session

Returns:

Welcome message

serverLogin

@Transactional
public Welcome serverLogin(org.springframework.web.socket.handler.ConcurrentWebSocketSessionDecorator session)

Login for remote servers

See Also:

login(ConcurrentWebSocketSessionDecorator)

login

@Transactional
public Welcome login(org.springframework.web.socket.handler.ConcurrentWebSocketSessionDecorator session,
                     Class<? extends Client> clientClass)

Common login procedure for both users and remote servers. This may change, same for the time being.

Parameters:

session - web socket session

clientClass - either User or RemoteServer

clientFactory - either userFactory or serverFactory

Returns:

See Also:

login(ConcurrentWebSocketSessionDecorator)

login

public void login(Client client)

Stage 2 of login, executed once client has been identified. Does not depend on websocket session, can be used for internal login, e.g. bots.

Parameters:

client -

defaultWorld

public World defaultWorld()

enter

public Welcome enter(Client client,
                     String worldName)

enter

public Welcome enter(Client client,
                     World world)

startSession

public void startSession(Client client)
                  throws SessionException

Throws:

SessionException

logout

@Transactional
public void logout(Client client)

dispatch

@Transactional
public void dispatch(VREvent event)
              throws Exception

Throws:

Exception