| Package | Description | 
|---|---|
| org.apache.zookeeper.server | 
 ZooKeeper server theory of operation 
 | 
| org.apache.zookeeper.server.quorum | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
SessionTrackerImpl
This is a full featured SessionTracker. 
 | 
| Modifier and Type | Field and Description | 
|---|---|
protected SessionTracker | 
ZooKeeperServer.sessionTracker  | 
| Modifier and Type | Method and Description | 
|---|---|
SessionTracker | 
ZooKeeperServer.getSessionTracker()  | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
LeaderSessionTracker
The leader session tracker tracks local and global sessions on the leader. 
 | 
class  | 
LearnerSessionTracker
The learner session tracker is used by learners (followers and observers) to
 track zookeeper sessions which may or may not be echoed to the leader. 
 | 
class  | 
LocalSessionTracker
Local session tracker. 
 | 
class  | 
UpgradeableSessionTracker
A session tracker that supports upgradeable local sessions. 
 | 
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