All Classes and Interfaces

Class	Description
AbstractKeyDeletingService	Abstracts common code from KeyDeletingService and DirectoryDeletingService which is now used by SnapshotDeletingService as well.
AbstractOMKeyDeleteResponse	Base class for responses that need to move keys from an arbitrary table to the deleted table.
AbstractS3MultipartAbortResponse	Base class for responses that need to move multipart info part keys to the deleted table.
AuthorizerLock	Authorizer access lock interface.
AuthorizerLockImpl	Implementation of AuthorizerLock.
BekInfoUtils	Utility class for common bucket encryption key operations.
BelongsToLayoutVersion	Annotation to mark a class that belongs to a specific Layout Version.
BucketLayoutAwareOMKeyRequestFactory	Factory class to instantiate bucket layout aware request classes.
BucketManager	BucketManager handles all the bucket level operations.
BucketManagerImpl	Implementation for BucketManager BucketManager uses MetadataDB to store bucket level information.
BucketUtilizationMetrics	A class for collecting and reporting bucket utilization metrics.
CachedTenantState	A collection of things that we want to maintain about a tenant in memory.
CachedTenantState.CachedAccessIdInfo	Stores cached Access ID info.
CleanupTableInfo	Annotation to provide information about clean up table information for OMClientResponse.
CompactDBService	This service issues a compaction request for a column family of om.db.
CompactionService	This is the background service to compact OM rocksdb tables.
DeleteKeysResult	Used in DirectoryDeletingService to capture the result of each delete task.
DeletingServiceMetrics	Class contains metrics related to the OM Deletion services.
DirectoryDeletingService	Background service responsible for purging deleted directories and files in the Ozone Manager (OM) and associated snapshots.
DisallowedUntilLayoutVersion	Annotation used to "disallow" an API if current layout version does not include the associated layout feature.
DummyOMClientResponse	A dummy OMClientResponse implementation.
ExecutionContext	Context required for execution of a request.
FSODirectoryPathResolver	Class to resolve absolute paths for FSO DirectoryInfo Objects.
GrpcOzoneManagerServer	Separated network server for gRPC transport OzoneManagerService s3g->OM.
InMemoryMultiTenantAccessController	In Memory version of MultiTenantAccessController.
IOzoneAcl	Interface for Ozone Acl management.
KeyDeletingService	This is the background service to delete keys.
KeyManager	Handles key level commands.
KeyManagerImpl	Implementation of keyManager.
ListIterator	Common class to do listing of resources after merging rocksDB table cache and actual table.
ListIterator.CacheIter<Value>	Iterator for Cache entries in a Dir and File Table.
ListIterator.ClosableIterator	Interface for iteration of Heap Entries.
ListIterator.DbTableIter<Value>	Iterator for DB entries from a given rocksDB table.
ListIterator.HeapEntry	Entry to be added to the heap.
ListIterator.MinHeapIterator	Implement lexicographical sorting of the file status by sorting file status across multiple lists.
LocalS3StoreProvider	Implementation of provider with local S3 secret store.
MultipartUploadCleanupService	This is the background service to abort incomplete Multipart Upload.
MultiSnapshotLocks	Class to take multiple locks on multiple snapshots.
MultiTenantAccessController	Defines the operations needed for multi-tenant access control.
MultiTenantAccessController.Acl	Define an acl.
MultiTenantAccessController.Policy	Define a policy to be created.
MultiTenantAccessController.Policy.Builder	Builder class for a policy.
MultiTenantAccessController.Role	Define a role to be created.
MultiTenantAccessController.Role.Builder	Builder class for a role.
ObjectParser	Utility class to parse OzoneObj.getPath().
ObjectPathResolver	Class to resolve paths of Objects.
OBSKeyPathLockStrategy	Implementation of OzoneLockStrategy interface.
OMAction	Enum to define Audit Action types for OzoneManager.
OMAdminProtocolServerSideImpl	This class is the server-side translator that forwards requests received on OMAdminProtocolPB to the OMAdminProtocolServer implementation.
OMAllocateBlockRequest	Handles allocate block request.
OMAllocateBlockRequestWithFSO	Handles allocate block request - prefix layout.
OMAllocateBlockResponse	Response for AllocateBlock request.
OMAllocateBlockResponseWithFSO	Response for AllocateBlock request - prefix layout.
OMAuditLogger	This class is used for OM Audit logs.
OMAuditLogger.Builder	Builder class for build AuditMessage.
OMBucketAclRequest	Base class for Bucket acl request.
OMBucketAclResponse	Response for Bucket acl request.
OMBucketAddAclRequest	Handle add Acl request for bucket.
OMBucketCreateRequest	Handles CreateBucket Request.
OMBucketCreateResponse	Response for CreateBucket request.
OMBucketDeleteRequest	Handles DeleteBucket Request.
OMBucketDeleteResponse	Response for DeleteBucket request.
OMBucketRemoveAclRequest	Handle removeAcl request for bucket.
OMBucketSetAclRequest	Handle setAcl request for bucket.
OMBucketSetOwnerRequest	Handle set owner request for bucket.
OMBucketSetOwnerResponse	Response for set owner request.
OMBucketSetPropertyRequest	Handle SetBucketProperty Request.
OMBucketSetPropertyResponse	Response for SetBucketProperty request.
OMCancelDelegationTokenRequest	Handle CancelDelegationToken Request.
OMCancelDelegationTokenResponse	Handle response for CancelDelegationToken request.
OMCancelPrepareRequest	OM request class to cancel preparation.
OMCancelPrepareResponse	Response for cancel prepare.
OMCertificateClient	Certificate client for OzoneManager.
OMClientRequest	OMClientRequest provides methods which every write OM request should implement.
OMClientRequest.Result	Stores the result of request execution in OMClientRequest#validateAndUpdateCache.
OMClientRequestUtils	Utility class for OMClientRequest.
OMClientResponse	Interface for OM Responses, each OM response should implement this interface.
OMClientVersionValidator	An annotation to mark methods that do certain request validations based on the request protocol's client version.
OMDBCheckpointServlet	Provides the current checkpoint Snapshot of the OM DB.
OMDBCheckpointUtils	Utility class for handling operations related to OM DB Checkpoints.
OMDBDefinition	OM database definitions.
OMDirectoriesPurgeRequestWithFSO	Handles purging of keys from OM DB.
OMDirectoriesPurgeResponseWithFSO	Response for OMDirectoriesPurgeRequestWithFSO request.
OMDirectoryCreateRequest	Handle create directory request.
OMDirectoryCreateRequest.Result	Stores the result of request execution in OMClientRequest#validateAndUpdateCache.
OMDirectoryCreateRequestWithFSO	Handle create directory request.
OMDirectoryCreateResponse	Response for create directory request.
OMDirectoryCreateResponseWithFSO	Response for create directory request.
OMEchoRPCWriteRequest	Handles EchoRPC request (write).
OMEchoRPCWriteResponse	Response for EchoRPC request (write).
OMExecutionFlow	entry for execution flow for write request.
OMFileCreateRequest	Handles create file request.
OMFileCreateRequestWithFSO	Handles create file request layout version1.
OMFileCreateResponse	Response for crate file request.
OMFileCreateResponseWithFSO	Response for create file request - prefix layout.
OMFileRequest	Base class for file requests.
OMFileRequest.OMDirectoryResult	Return codes used by verifyFilesInPath method.
OMFileRequest.OMPathInfo	Class to return the results from verifyFilesInPath.
OMFileRequest.OMPathInfoWithFSO	Class to return the results from verifyDirectoryKeysInPath.
OMFinalizeUpgradeRequest	Handles finalizeUpgrade request.
OMFinalizeUpgradeResponse	Response for finalizeUpgrade request.
OmFSOFile	This class is used exclusively in FSO buckets..
OmFSOFile.Builder	Builder class for OmFSOFile.
OMGetDelegationTokenRequest	Handle GetDelegationToken Request.
OMGetDelegationTokenResponse	Handle response for GetDelegationToken request.
OMHAMetrics	Class to maintain metrics and info related to OM HA.
OMHANodeDetails	Class which maintains peer information and it's own OM node information.
OMInterServiceProtocolServerSideImpl	This class is the server-side translator that forwards requests received on OMInterServiceProtocolPB to the OzoneManagerInterService server implementation.
OMKeyAclRequest	Base class for Bucket acl request.
OMKeyAclRequestWithFSO	Handles key ACL requests - prefix layout.
OMKeyAclResponse	Response for Bucket acl request.
OMKeyAclResponseWithFSO	Response for Bucket acl request for prefix layout.
OMKeyAddAclRequest	Handle add Acl request for bucket.
OMKeyAddAclRequestWithFSO	Handle add Acl request for bucket for prefix layout.
OMKeyCommitRequest	Handles CommitKey request.
OMKeyCommitRequestWithFSO	Handles CommitKey request - prefix layout.
OMKeyCommitResponse	Response for CommitKey request.
OMKeyCommitResponseWithFSO	Response for CommitKey request - prefix layout1.
OMKeyCreateRequest	Handles CreateKey request.
OMKeyCreateRequestWithFSO	Handles CreateKey request layout version1.
OMKeyCreateResponse	Response for CreateKey request.
OMKeyCreateResponseWithFSO	Response for CreateKey request - prefix layout.
OMKeyDeleteRequest	Handles DeleteKey request.
OMKeyDeleteRequestWithFSO	Handles DeleteKey request - prefix layout.
OMKeyDeleteResponse	Response for DeleteKey request.
OMKeyDeleteResponseWithFSO	Response for DeleteKey request.
OmKeyHSyncUtil	Helper methods related to OM key HSync.
OMKeyPurgeRequest	Handles purging of keys from OM DB.
OMKeyPurgeResponse	Response for OMKeyPurgeRequest request.
OMKeyRemoveAclRequest	Handle add Acl request for bucket.
OMKeyRemoveAclRequestWithFSO	Handle remove Acl request for bucket for prefix layout.
OMKeyRenameRequest	Handles rename key request.
OMKeyRenameRequestWithFSO	Handles rename key request - prefix layout.
OMKeyRenameResponse	Response for RenameKey request.
OMKeyRenameResponseWithFSO	Response for RenameKey request - prefix layout.
OMKeyRequest	Interface for key write requests.
OmKeyResponse	OmKeyResponse.
OMKeysDeleteRequest	Handles DeleteKey request.
OmKeysDeleteRequestWithFSO	Handles DeleteKeys request for recursive bucket deletion.
OMKeysDeleteResponse	Response for DeleteKey request.
OMKeysDeleteResponseWithFSO	Response for DeleteKeys request.
OMKeySetAclRequest	Handle add Acl request for bucket.
OMKeySetAclRequestWithFSO	Handle set Acl request for bucket for prefix layout.
OMKeySetTimesRequest	Handle add SetTimes request for key.
OMKeySetTimesRequestWithFSO	Handle set times request for bucket for prefix layout.
OMKeySetTimesResponse	Response for Bucket acl request.
OMKeySetTimesResponseWithFSO	Response for Bucket acl request for prefix layout.
OMKeysRenameRequest	Handles rename keys request.
OMKeysRenameResponse	Response for RenameKeys request.
OMLayoutFeature	List of OM Layout features / versions.
OMLayoutFeatureAspect	'Aspect' for OM Layout Feature API.
OMLayoutVersionManager	Class to manage layout versions and features for Ozone Manager.
OMLayoutVersionValidator	An annotation to mark methods that do certain request validations based on the server's layout version and capability to perform a certain operation.
OmMetadataManagerImpl	Ozone metadata manager interface.
OmMetadataReader	OM Metadata Reading class for the OM and Snapshot managers.
OmMetadataReaderMetrics	Interface OM Metadata Reading metrics classes.
OMMetrics	This class is for maintaining Ozone Manager statistics.
OmMetricsInfo	OmMetricsInfo stored in a file, which will be used during OM restart to initialize the metrics.
OMMultipartUploadUtils	Utility class related to OM Multipart Upload.
OMMultiTenantManager	OM MultiTenant manager interface.
OMMultiTenantManagerImpl	Implements OMMultiTenantManager.
OMMXBean	This is the JMX management interface for OM information.
OMOpenKeysDeleteRequest	Handles requests to move open keys from the open key table to the delete table.
OMOpenKeysDeleteResponse	Handles responses to move open keys from the open key table to the delete table.
OMPerformanceMetrics	Including OM performance related metrics.
OMPolicyProvider	PolicyProvider for OM protocols.
OMPrefixAclRequest	Base class for Prefix acl request.
OMPrefixAclResponse	Response for Prefix Acl request.
OMPrefixAddAclRequest	Handle add Acl request for prefix.
OMPrefixRemoveAclRequest	Handle remove Acl request for prefix.
OMPrefixSetAclRequest	Handle set Acl request for prefix.
OMPrepareRequest	OM Request used to flush all transactions to disk, take a DB snapshot, and purge the logs, leaving Ratis in a clean state without unapplied log entries.
OMPrepareResponse	Response for prepare request.
OMQuotaRepairRequest	Handle OMQuotaRepairRequest Request.
OMQuotaRepairResponse	Response for OMQuotaRepairRequest request.
OMRangerBGSyncService	Background Sync thread that reads Multi-Tenancy state from OM DB and applies it to Ranger.
OmRatisSnapshotProvider	OmRatisSnapshotProvider downloads the latest checkpoint from the leader OM and loads the checkpoint into State Machine.
OMRecoverLeaseRequest	Perform actions for RecoverLease requests.
OMRecoverLeaseResponse	Performs tasks for RecoverLease request responses.
OMRenewDelegationTokenRequest	Handle RenewDelegationToken Request.
OMRenewDelegationTokenResponse	Handle response for RenewDelegationToken request.
OmResponseUtil	Utility class to build OmResponse.
OMSetRangerServiceVersionRequest	Handles OMSetRangerServiceVersionRequest.
OMSetRangerServiceVersionResponse	Response for OMSetRangerServiceVersionRequest.
OMSetSecretRequest	Handles SetSecret request.
OMSetSecretResponse	Response for SetSecret request.
OmSnapshot	Metadata Reading class for OM Snapshots.
OMSnapshotCreateRequest	Handles CreateSnapshot Request.
OMSnapshotCreateResponse	Response for OMSnapshotCreateRequest.
OMSnapshotDeleteRequest	Handles DeleteSnapshot Request.
OMSnapshotDeleteResponse	Response for OMSnapshotDeleteRequest.
OmSnapshotInternalMetrics	This class contains internal Snapshot Operation metrics.
OmSnapshotLocalData	OmSnapshotLocalData is the in-memory representation of snapshot local metadata.
OmSnapshotLocalData.VersionMeta	Represents metadata for a specific version in a snapshot.
OmSnapshotLocalDataManager	Manages local data and metadata associated with Ozone Manager (OM) snapshots, including the creation, storage, and representation of data as YAML files.
OmSnapshotLocalDataYaml	Class for creating and reading snapshot local properties / data YAML files.
OmSnapshotLocalDataYaml.YamlFactory	Factory class for constructing and pooling instances of the Yaml object.
OmSnapshotManager	This class is used to manage/create OM snapshots.
OmSnapshotMetrics	This class is for maintaining Snapshot Manager statistics.
OMSnapshotMoveDeletedKeysRequest	Handles OMSnapshotMoveDeletedKeys Request.
OMSnapshotMoveDeletedKeysResponse	Response for OMSnapshotMoveDeletedKeysRequest.
OMSnapshotMoveTableKeysRequest	Handles OMSnapshotMoveTableKeysRequest Request.
OMSnapshotMoveTableKeysResponse	Response for OMSnapshotMoveDeletedKeysRequest.
OMSnapshotMoveUtils	Utility class for snapshot move requests.
OMSnapshotPurgeRequest	Handles OMSnapshotPurge Request.
OMSnapshotPurgeResponse	Response for OMSnapshotPurgeRequest.
OMSnapshotRenameRequest	Changes snapshot name.
OMSnapshotRenameResponse	Response for OMSnapshotRenameRequest.
OMSnapshotSetPropertyRequest	Updates the exclusive size of the snapshot.
OMSnapshotSetPropertyResponse	Response for OMSnapshotSetPropertyRequest.
OmSnapshotUtils	Ozone Manager Snapshot Utilities.
OMStarterInterface	This interface is used by the OzoneManagerStarter class to allow the dependencies to be injected to the CLI class.
OMStorage	Ozone Manager VERSION file representation.
OMSystemAction	Enum to define Audit Action types for system audit in OzoneManager.
OMTenantAssignAdminRequest	Handles OMTenantAssignAdminRequest.
OMTenantAssignAdminResponse	Response for OMTenantAssignAdminRequest.
OMTenantAssignUserAccessIdRequest	Handles OMAssignUserToTenantRequest.
OMTenantAssignUserAccessIdResponse	Response for OMAssignUserToTenantRequest.
OMTenantCreateRequest	Handles OMTenantCreate request.
OMTenantCreateResponse	Response for OMTenantCreate request.
OMTenantDeleteRequest	Handles OMTenantDelete request.
OMTenantDeleteResponse	Response for DeleteTenant request.
OMTenantRevokeAdminRequest	Handles OMTenantRevokeAdminRequest.
OMTenantRevokeAdminResponse	Response for OMTenantAssignAdminRequest.
OMTenantRevokeUserAccessIdRequest	Handles OMTenantRevokeUserAccessIdRequest request.
OMTenantRevokeUserAccessIdResponse	Response for OMTenantRevokeUserAccessIdRequest.
OmUpgradeAction	Upgrade Action for OzoneManager which takes in an 'OM' instance.
OMUpgradeFinalizer	UpgradeFinalizer implementation for the Ozone Manager service.
OMVolumeAclOpResponse	Response for om volume acl operation request.
OMVolumeAclRequest	Base class for OMVolumeAcl Request.
OMVolumeAclRequest.VolumeAclOp	Volume ACL operation.
OMVolumeAddAclRequest	Handles volume add acl request.
OMVolumeCreateRequest	Handles volume create request.
OMVolumeCreateResponse	Response for CreateVolume request.
OMVolumeDeleteRequest	Handles volume delete request.
OMVolumeDeleteResponse	Response for DeleteVolume request.
OMVolumeRemoveAclRequest	Handles volume remove acl request.
OMVolumeRequest	Defines common methods required for volume requests.
OMVolumeSetAclRequest	Handles volume set acl request.
OMVolumeSetOwnerRequest	Handle set owner request for volume.
OMVolumeSetOwnerResponse	Response for set owner request.
OMVolumeSetQuotaRequest	Handles set Quota request for volume.
OMVolumeSetQuotaResponse	Response for set quota request.
OpenKeyCleanupService	This is the background service to delete hanging open keys.
OzoneAclUtils	Ozone Acl Wrapper class.
OzoneAuthorizerFactory	Creates IAccessAuthorizer instances based on configuration.
OzoneConfigUtil	Utility class for ozone configurations.
OzoneDelegationTokenSecretManager	SecretManager for Ozone Master.
OzoneDelegationTokenSecretManager.Builder	Builder to help construct OzoneDelegationTokenSecretManager.
OzoneListStatusHelper	Helper class for fetching List Status for a path.
OzoneListStatusHelper.GetFileStatusHelper	Interface to get the File Status for a path.
OzoneLockProvider	OzoneLockProvider class returns the appropriate lock strategy pattern implementation based on the configuration flags passed.
OzoneLockStrategy	This is a common strategy interface for all concrete lock strategies.
OzoneManager	Ozone Manager is the metadata manager of ozone.
OzoneManager.StartupOption	OM Startup mode.
OzoneManagerAuthorizer	A subinterface of IAccessAuthorizer specifically for Ozone Manager.
OzoneManagerDoubleBuffer	This class implements DoubleBuffer implementation of OMClientResponse's.
OzoneManagerDoubleBuffer.Builder	Builder for creating OzoneManagerDoubleBuffer.
OzoneManagerDoubleBufferMetrics	Class which maintains metrics related to OzoneManager DoubleBuffer.
OzoneManagerFS	Ozone Manager FileSystem interface.
OzoneManagerHttpServer	HttpServer wrapper for the OzoneManager.
OzoneManagerPrepareState	Controls the prepare state of the OzoneManager containing the instance.
OzoneManagerPrepareState.State	The current state of preparation is defined by the status and the prepare index that are currently set.
OzoneManagerProtocolServerSideTranslatorPB	This is the server-side translator that forwards requests received from OzoneManagerProtocolPB to OzoneManager.
OzoneManagerRatisServer	Creates a Ratis server endpoint for OM.
OzoneManagerRatisServer.RaftServerStatus	Defines RaftServer Status.
OzoneManagerRatisServerConfig	Class which defines OzoneManager Ratis Server config.
OzoneManagerRatisUtils	Utility class used by OzoneManager HA.
OzoneManagerRequestHandler	Command Handler for OM requests.
OzoneManagerServiceGrpc	Grpc Service for handling S3 gateway OzoneManagerProtocol client requests.
OzoneManagerStarter	This class provides a command line interface to start the OM using Picocli.
OzoneManagerStateMachine	The OM StateMachine is the state machine for OM Ratis server.
OzoneManagerUtils	Ozone Manager utility class.
OzoneNativeAuthorizer	Native (internal) implementation of IAccessAuthorizer.
OzonePrefixPathImpl	Implementation of OzonePrefixPath interface.
OzoneSecretStore	SecretStore for Ozone Master.
OzoneSecretStore.OzoneManagerSecretState<T>	Support class to maintain state of OzoneSecretStore.
OzoneTrash	OzoneTrash which takes an OM as parameter .
PendingKeysDeletion	Tracks metadata for keys pending deletion and their associated blocks.
PendingKeysDeletion.PurgedKey	Represents metadata for a key that has been purged.
PersistentList<E>	Define an interface for persistent list.
PersistentMap<K,V>	Define an interface for persistent map.
PersistentSet<E>	Define an interface for persistent set.
PrefixManager	Handles prefix commands.
PrefixManagerImpl	Implementation of PrefixManager.
PrefixManagerImpl.OMPrefixAclOpResult	Result of the prefix acl operation.
QuotaRepairTask	Quota repair task.
QuotaRepairTask.RepairStatus	Repair status for last run.
QuotaRepairUpgradeAction	Quota repair for usages action to be triggered after upgrade.
ReclaimableDirFilter	Class to filter out deleted directories which are reclaimable based on their presence in previous snapshot in the snapshot chain.
ReclaimableFilter<V>	This class is responsible for opening last N snapshot given a snapshot metadata manager or AOS metadata manager by acquiring a lock.
ReclaimableKeyFilter	Filter to return deleted keys which are reclaimable based on their presence in previous snapshot in the snapshot chain.
ReclaimableRenameEntryFilter	Class to filter out rename table entries which are reclaimable based on the key presence in previous snapshot's keyTable/DirectoryTable in the snapshot chain.
ReferenceCountedCallback	Callback interface for ReferenceCounted.
RegularBucketLockStrategy	Implementation of OzoneLockStrategy interface.
RequestAuditor	Interface for OM Requests to convert to audit objects.
RequestFeatureValidator	An annotation to mark methods that do certain request validations.
RequestHandler	Handler to handleRequest the OmRequests.
RequestValidations	Main class to configure and set up and access the request/response validation framework.
RequireSnapshotFeatureState	Annotation used to check that the snapshot feature in desired state.
RequireSnapshotFeatureStateAspect	'Aspect' for checking whether snapshot feature is enabled.
ResolvedBucket	Bundles information about a bucket, which is possibly a symlink, and the real bucket that it resolves to, if it is indeed a link.
RocksDbPersistentList<E>	Persistent list backed by RocksDB.
RocksDbPersistentMap<K,V>	Persistent map backed by RocksDB.
RocksDbPersistentSet<E>	Persistent set backed by RocksDB.
S3DeleteObjectTaggingRequest	Handles delete object tagging request.
S3DeleteObjectTaggingRequestWithFSO	Handles delete object tagging request for FSO bucket.
S3DeleteObjectTaggingResponse	Response for delete object tagging request.
S3DeleteObjectTaggingResponseWithFSO	Response for delete object tagging request for FSO bucket.
S3ExpiredMultipartUploadsAbortRequest	Handles requests to move both MPU open keys from the open key/file table and MPU part keys to delete table.
S3ExpiredMultipartUploadsAbortResponse	Handles response to abort expired MPUs.
S3GetSecretRequest	Handles GetS3Secret request.
S3GetSecretResponse	Response for GetS3Secret request.
S3InitiateMultipartUploadRequest	Handles initiate multipart upload request.
S3InitiateMultipartUploadRequestWithFSO	Handles initiate multipart upload request.
S3InitiateMultipartUploadResponse	Response for S3 Initiate Multipart Upload request.
S3InitiateMultipartUploadResponseWithFSO	Response for S3 Initiate Multipart Upload request for prefix layout.
S3MultipartUploadAbortRequest	Handles Abort of multipart upload request.
S3MultipartUploadAbortRequestWithFSO	Handles Abort of multipart upload request.
S3MultipartUploadAbortResponse	Response for Multipart Abort Request.
S3MultipartUploadAbortResponseWithFSO	Response for Multipart Abort Request - prefix layout.
S3MultipartUploadCommitPartRequest	Handle Multipart upload commit upload part file.
S3MultipartUploadCommitPartRequestWithFSO	Handle Multipart upload commit upload part file.
S3MultipartUploadCommitPartResponse	Response for S3MultipartUploadCommitPart request.
S3MultipartUploadCommitPartResponseWithFSO	Response for S3MultipartUploadCommitPartWithFSO request.
S3MultipartUploadCompleteRequest	Handle Multipart upload complete request.
S3MultipartUploadCompleteRequestWithFSO	Handle Multipart upload complete request.
S3MultipartUploadCompleteResponse	Response for Multipart Upload Complete request.
S3MultipartUploadCompleteResponseWithFSO	Response for Multipart Upload Complete request.
S3PutObjectTaggingRequest	Handles put object tagging request.
S3PutObjectTaggingRequestWithFSO	Handles put object tagging request for FSO bucket.
S3PutObjectTaggingResponse	Response for put object tagging request.
S3PutObjectTaggingResponseWithFSO	Response for put object tagging request for FSO bucket.
S3RevokeSecretRequest	Handles RevokeS3Secret request.
S3RevokeSecretResponse	Response for RevokeS3Secret request.
S3SecretCacheProvider	Provider of S3SecretCache.
S3SecretManagerImpl	S3 Secret manager.
S3SecretRequestHelper	Common helper function for S3 secret requests.
S3SecretStoreConfigurationKeys	Configuration keys for S3 secret store and cache.
S3SecretStoreProvider	S3 secret store provider.
S3SecurityUtil	Utility class which holds methods required for parse/validation of S3 Authentication Information which is part of OMRequest.
ScmClient	Wrapper class for Scm protocol clients.
ServiceListJSONServlet	Provides REST access to Ozone Service List.
SharedTmpDirAuthorizer	SharedTmp implementation of IAccessAuthorizer.
SnapshotCache	Thread-safe custom unbounded LRU cache to manage open snapshot DB instances.
SnapshotCache.Reason	State the reason the current thread is getting the OmSnapshot instance.
SnapshotChainInfo	SnapshotChain supporting SnapshotInfo class.
SnapshotChainManager	This class is used for creating and accessing Snapshot Chains.
SnapshotDefragService	Background service for defragmenting snapshots in the active snapshot chain.
SnapshotDeletingService	Background Service to clean-up deleted snapshot and reclaim space.
SnapshotDiffCleanupService	Background service to clean-up snapDiff jobs which are stable and corresponding reports.
SnapshotDiffManager	Class to generate snapshot diff.
SnapshotUtils	Util class for snapshot diff APIs.
SstFilteringService	When snapshots are taken, an entire snapshot of the OM RocksDB is captured and it will contain SST files corresponding to all volumes/buckets and keys and also have data from all the tables (columnFamilies) defined in the rocksdb This is a background service which will cleanup and filter out all the irrelevant and safe to delete sst files that don't correspond to the bucket on which the snapshot was taken.
TenantOp	Interface for tenant operations.
TokenIdentifierCodec	Codec to serialize/deserialize OzoneTokenIdentifier.
TrashOzoneFileSystem	FileSystem to be used by the Trash Emptier.
UpgradeActionOm	Annotation to specify upgrade action run during specific phases.
ValidationCondition	Defines conditions for which validators can be assigned to.
ValidationContext	A context that contains useful information for request validator instances.
ValidatorRegistry	Registry that loads and stores the request validators to be applied by a service.
VersionExtractor	Class to extract version out of OM request.
VolumeManager	VolumeManager is responsible for read operations on a volume.
VolumeManagerImpl	Volume Manager implementation.