# Package org.apache.cassandra.service

Interface Summary
Interface | Description
--- | ---
CacheServiceMBean |
CASConditions | Abstract the conditions to be fulfilled by a CAS operation.
CassandraDaemon.Server |
IEndpointLifecycleSubscriber | Interface on which interested parties can be notified of high level endpoint state changes.
IMigrationListener |
IReadCommand |
IResponseResolver<TMessage,TResolved> |
NativeAccessMBean |
StorageProxy.WritePerformer |
StorageProxyMBean |
StorageServiceMBean |

Class Summary
Class | Description
--- | ---
AbstractReadExecutor | Sends a read request to the replicas needed to satisfy a given ConsistencyLevel.
AbstractRowResolver |
AbstractWriteResponseHandler |
ActiveRepairService | ActiveRepairService is the starting point for manual "active" repairs.
ActiveRepairService.ParentRepairSession |
AsyncRepairCallback |
CacheService |
CacheService.CounterCacheSerializer |
CacheService.KeyCacheSerializer |
CacheService.RowCacheSerializer |
CassandraDaemon | The `CassandraDaemon` is an abstraction for a Cassandra daemon service, which defines not only a way to activate and deactivate it, but also hooks into its lifecycle methods (see `CassandraDaemon.setup()`, `CassandraDaemon.start()`, `CassandraDaemon.stop()` and `CassandraDaemon.setup()`).
ClientState | State related to a client connection.
DatacenterSyncWriteResponseHandler | This class blocks for a quorum of responses _in all datacenters_ (CL.EACH_QUORUM).
DatacenterWriteResponseHandler | This class blocks for a quorum of responses _in the local datacenter only_ (CL.LOCAL_QUORUM).
EchoVerbHandler |
EmbeddedCassandraService | An embedded, in-memory cassandra storage service that listens on the thrift interface as configured in cassandra.yaml This kind of service is useful when running unit tests of services using cassandra for example.
FileCacheService |
FileCacheService.CacheKey |
GCInspector |
LoadBroadcaster |
MigrationManager |
MigrationManager.MigrationsSerializer |
PendingRangeCalculatorService |
QueryState | Represents the state related to a given query.
RangeSliceResponseResolver | Turns RangeSliceReply objects into row (string -> CF) maps, resolving to the most recent ColumnFamily and setting up read repairs as necessary.
RangeSliceVerbHandler |
ReadCallback<TMessage,TResolved> |
RowDataResolver |
RowDigestResolver |
SnapshotVerbHandler |
StorageProxy |
StorageService | This abstraction contains the token/identifier of this node on the identifier space.
TruncateResponseHandler |
WriteResponseHandler | Handles blocking writes for ONE, ANY, TWO, THREE, QUORUM, and ALL consistency levels.

Enum Summary
Enum | Description
--- | ---
ActiveRepairService.Status |
CacheService.CacheType |

Exception Summary
Exception | Description
--- | ---
DigestMismatchException |