组件层级：
Server
|
Service
|
Engine
| \
| --- Cluster --*
|
Host
|------
/ \
Cluster Context(1-N)
| \
| -- Manager
| \
| -- DeltaManager
| -- BackupManager
|---------------------------
| \
Channel \----------------------------- \
| \
Interceptor_1 .. \
| \
Interceptor_N \----------------------------- \
| | | \
Receiver Sender Membership \-- Valve
| \
| -- ReplicationValve
| -- JvmRouteBinderValve
|-- LifecycleListener
|-- ClusterListener
| \
| -- ClusterSessionListener
|-- Deployer
\-- FarmWarDeployer