org.apache.tapestry.engine.state
Interfaces 
ApplicationStateManager
StateObjectFactory
StateObjectManager
StateObjectManagerRegistry
StateObjectPersistenceManager
Classes 
ApplicationScopeManager
ApplicationStateManagerImpl
DefaultGlobalStateObjectFactory
InstantiateClassStateObjectFactory
NamedClassStateObjectFactory
SessionScopeManager
SOMRegistryImpl
StateObjectContribution
StateObjectManagerImpl