org.apache.zookeeper.server
Interface SessionTracker
- All Known Implementing Classes:
- FollowerSessionTracker, SessionTrackerImpl
public interface SessionTracker
This is the basic interface that ZooKeeperServer uses to track sessions. The
standalone and leader ZooKeeperServer use the same SessionTracker. The
FollowerZooKeeperServer uses a SessionTracker which is basically a simple
shell to track information to be forwarded to the leader.
createSession
long createSession(int sessionTimeout)
addSession
void addSession(long id,
int to)
touchSession
boolean touchSession(long sessionId,
int sessionTimeout)
- Parameters:
sessionId
- sessionTimeout
-
- Returns:
- false if session is no longer active
shutdown
void shutdown()
removeSession
void removeSession(long sessionId)
- Parameters:
sessionId
-
checkSession
void checkSession(long sessionId,
Object owner)
throws KeeperException.SessionExpiredException,
KeeperException.SessionMovedException
- Throws:
KeeperException.SessionExpiredException
KeeperException.SessionMovedException
setOwner
void setOwner(long id,
Object owner)
throws KeeperException.SessionExpiredException
- Throws:
KeeperException.SessionExpiredException