@Private @Evolving

Package org.apache.hadoop.hdfs.server.federation.store.protocol

Contains the abstract definitions of the API request and response objects for the various state store APIs. The state store supports multiple interface APIs and multiple data records. Each protocol object requires a serialization implementation, the default is protobuf.

Class Summary

Class	Description
AddMountTableEntriesRequest	API request for adding all mount table entries to the state store.
AddMountTableEntriesResponse	API response for adding multiple mount table entries to the state store.
AddMountTableEntryRequest	API request for adding a mount table entry to the state store.
AddMountTableEntryResponse	API response for adding a mount table entry to the state store.
DisableNameserviceRequest	API request for disabling a name service and updating its state in the State Store.
DisableNameserviceResponse	API response for disabling a name service and updating its state in the State Store.
EnableNameserviceRequest	API request for enabling a name service and updating its state in the State Store.
EnableNameserviceResponse	API response for enabling a name service and updating its state in the State Store.
EnterSafeModeRequest	API request for the Router entering safe mode state and updating its state in State Store.
EnterSafeModeResponse	API response for the Router entering safe mode state and updating its state in State Store.
GetDestinationRequest	API request for getting the destination subcluster of a file.
GetDestinationResponse	API response for getting the destination subcluster of a file.
GetDisabledNameservicesRequest	API request for getting the disabled name services.
GetDisabledNameservicesResponse	API response for getting the disabled nameservices in the state store.
GetMountTableEntriesRequest	API request for listing mount table entries present in the state store.
GetMountTableEntriesResponse	API response for listing mount table entries present in the state store.
GetNamenodeRegistrationsRequest	API request for listing namenode registrations present in the state store.
GetNamenodeRegistrationsResponse	API response for listing namenode registrations present in the state store.
GetNamespaceInfoRequest	API response for listing HDFS namespaces present in the state store.
GetNamespaceInfoResponse	API response for listing HDFS namespaces present in the state store.
GetRouterRegistrationRequest	API request for retrieving a single router registration present in the state store.
GetRouterRegistrationResponse	API response for retrieving a single router registration present in the state store.
GetRouterRegistrationsRequest	API request for retrieving an all non-expired router registrations present in the state store.
GetRouterRegistrationsResponse	API response for retrieving a all non-expired router registrations present in the state store.
GetSafeModeRequest	API request for verifying if current Router state is safe mode.
GetSafeModeResponse	API response for verifying if current Router state is safe mode.
LeaveSafeModeRequest	API request for the Router leaving safe mode state and updating its state in State Store.
LeaveSafeModeResponse	API response for the Router leaving safe mode state and updating its state in State Store.
NamenodeHeartbeatRequest	API request for registering a namenode with the state store.
NamenodeHeartbeatResponse	API response for registering a namenode with the state store.
RefreshMountTableEntriesRequest	API request for refreshing mount table cached entries from state store.
RefreshMountTableEntriesResponse	API response for refreshing mount table entries cache from state store.
RefreshSuperUserGroupsConfigurationRequest	API request for refreshing super user groups on router.
RefreshSuperUserGroupsConfigurationResponse	API response for refreshing super user groups on router.
RemoveMountTableEntryRequest	API request for removing a mount table path present in the state store.
RemoveMountTableEntryResponse	API response for removing a mount table path present in the state store.
RouterHeartbeatRequest	API request for registering a router with the state store.
RouterHeartbeatResponse	API response for registering a router with the state store.
UpdateMountTableEntryRequest	API request for updating the destination of an existing mount point in the state store.
UpdateMountTableEntryResponse	API response for updating the destination of an existing mount point in the state store.
UpdateNamenodeRegistrationRequest	API request for overriding an existing namenode registration in the state store.
UpdateNamenodeRegistrationResponse	API response for overriding an existing namenode registration in the state store.