org.springframework.messaging.simp.user

Interface SimpUserRegistry

All Known Implementing Classes:

MultiServerUserRegistry

public interface SimpUserRegistry

A registry of currently connected users.

Since:

4.2

Author:

Rossen Stoyanchev

Method Summary

Modifier and Type	Method and Description
Set<SimpSubscription>	findSubscriptions(SimpSubscriptionMatcher matcher) Find subscriptions with the given matcher.
SimpUser	getUser(String userName) Get the user for the given name.
int	getUserCount() Return the count of all connected users.
Set<SimpUser>	getUsers() Return a snapshot of all connected users.

Method Detail

getUser

@Nullable
SimpUser getUser(String userName)

Get the user for the given name.

Parameters:

userName - the name of the user to look up

Returns:

the user, or null if not connected

getUsers

Set<SimpUser> getUsers()

Return a snapshot of all connected users.

The returned set is a copy and will not reflect further changes.

Returns:

the connected users, or an empty set if none

getUserCount

int getUserCount()

Return the count of all connected users.

Returns:

the number of connected users

Since:

4.3.5

findSubscriptions

Set<SimpSubscription> findSubscriptions(SimpSubscriptionMatcher matcher)

Find subscriptions with the given matcher.

Parameters:

matcher - the matcher to use

Returns:

a set of matching subscriptions, or an empty set if none