| Package | Description | 
|---|---|
| org.apache.storm.cluster | |
| org.apache.storm.daemon.supervisor | |
| org.apache.storm.metrics2 | |
| org.apache.storm.utils | |
| org.apache.storm.zookeeper | 
| Class and Description | 
|---|
| ClusterState
 ClusterState provides the API for the pluggable state store used by the Storm daemons. 
 | 
| ClusterStateContext
 This class is intended to provide runtime-context to ClusterStateFactory implementors, giving information such as what daemon is creating it. 
 | 
| ClusterStateListener | 
| ClusterUtils | 
| ConnectionState | 
| DaemonType | 
| ExecutorBeat | 
| IStateStorage
 StateStorage provides the API for the pluggable state store used by the Storm daemons. 
 | 
| IStormClusterState | 
| StateStorageFactory | 
| VersionedData | 
| Class and Description | 
|---|
| IStormClusterState | 
| VersionedData | 
| Class and Description | 
|---|
| DaemonType | 
| Class and Description | 
|---|
| ConnectionState | 
| Class and Description | 
|---|
| VersionedData | 
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