Uses of Package
org.apache.hadoop.hbase.client

Packages that use org.apache.hadoop.hbase.client

Package	Description
org.apache.hadoop.hbase
org.apache.hadoop.hbase.client	Provides HBase Client
org.apache.hadoop.hbase.client.backoff
org.apache.hadoop.hbase.exceptions
org.apache.hadoop.hbase.ipc
org.apache.hadoop.hbase.protobuf	Holds classes generated from protobuf src/main/protobuf definition files.
org.apache.hadoop.hbase.quotas
org.apache.hadoop.hbase.security.access
org.apache.hadoop.hbase.security.visibility
org.apache.hadoop.hbase.shaded.protobuf
org.apache.hadoop.hbase.snapshot
org.apache.hadoop.hbase.zookeeper

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase

Class and Description
Connection A cluster connection encapsulating lower level individual connections to actual servers and a connection to zookeeper.
Delete Used to perform Delete operations on a single row.
DoNotRetryRegionException Similar to RegionException, but disables retries.
Durability Enum describing the durability guarantees for tables and Mutations Note that the items must be sorted in order of increasing durability
MobCompactPartitionPolicy Enum describing the mob compact partition policy types.
Mutation
Put Used to perform Put operations for a single row.
RawAsyncTable A low level asynchronous table.
Result Single row result of a Get or Scan query.
Scan Used to perform Scan operations.
Table Used to communicate with a single HBase table.
TableDescriptor TableDescriptor contains the details about an HBase table such as the descriptors of all the column families, is the table a catalog table, hbase:meta , if the table is read only, the maximum size of the memstore, when the region split should occur, coprocessors associated with it etc...
TableDescriptorBuilder.ModifyableTableDescriptor TODO: make this private after removing the HTableDescriptor
TableState Represents table state.
TableState.State

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase.client

Class and Description
AbstractClientScanner Helper class for custom client scanners.
Action A Get, Put, Increment, Append, or Delete associated with it's region.
Admin The administrative API for HBase.
Append Performs Append operations on a single row.
AsyncAdmin The asynchronous administrative API for HBase.
AsyncAdminRequestRetryingCaller.Callable
AsyncConnection The asynchronous version of Connection.
AsyncMasterRequestRpcRetryingCaller.Callable
AsyncProcessTask Contains the attributes of a task which will be executed by AsyncProcess.
AsyncProcessTask.Builder
AsyncProcessTask.SubmittedRows The number of processed rows.
AsyncRpcRetryingCaller
AsyncTable The asynchronous table for normal users.
AsyncTableBase The base interface for asynchronous version of Table.
AsyncTableBuilder For creating AsyncTable or RawAsyncTable.
AsyncTableRegionLocator The asynchronous version of RegionLocator.
Attributes
BufferedMutator Used to communicate with a single HBase table similar to Table but meant for batched, asynchronous puts.
BufferedMutator.ExceptionListener Listens for asynchronous exceptions on a BufferedMutator.
BufferedMutatorImpl Used to communicate with a single HBase table similar to Table but meant for batched, potentially asynchronous puts.
BufferedMutatorParams Parameters for instantiating a BufferedMutator.
ClientScanner Implements the scanner interface for the HBase client.
ClientServiceCallable A RegionServerCallable set to use the Client protocol.
ClientSimpleScanner ClientSimpleScanner implements a sync scanner behaviour.
ClusterConnection Internal methods on Connection that should not be used by user code.
CompactionState POJO representing the compaction state
CompactType Currently, there are only two compact types: NORMAL means do store files compaction; MOB means do mob files compaction.
Connection A cluster connection encapsulating lower level individual connections to actual servers and a connection to zookeeper.
ConnectionConfiguration Configuration parameters for the connection.
Consistency Consistency defines the expected consistency level for an operation.
Cursor Scan cursor to tell client where server is scanning Scan.setNeedCursorResult(boolean) Result.isCursor() Result.getCursor()
Delete Used to perform Delete operations on a single row.
DoNotRetryRegionException Similar to RegionException, but disables retries.
Durability Enum describing the durability guarantees for tables and Mutations Note that the items must be sorted in order of increasing durability
Get Used to perform Get operations on a single row.
HBaseAdmin HBaseAdmin is no longer a client API.
HBaseAdmin.ProcedureFuture Future that waits on a procedure result.
HBaseAdmin.ProcedureFuture.WaitForStateCallable
HTableMultiplexer.HTableMultiplexerStatus HTableMultiplexerStatus keeps track of the current status of the HTableMultiplexer.
Increment Used to perform Increment operations on a single row.
IsolationLevel Specify Isolation levels in Scan operations.
MasterSwitchType Represents the master switch type
MetricsConnection This class is for maintaining the various connection statistics and publishing them through the metrics interfaces.
MetricsConnection.CallStats A container class for collecting details about the RPC call as it percolates.
MetricsConnection.CallTracker
MetricsConnection.RegionStats
MetricsConnection.RunnerStats
MobCompactPartitionPolicy Enum describing the mob compact partition policy types.
MultiAction Container for Actions (i.e.
Mutation
NonceGenerator NonceGenerator interface.
Operation Superclass for any type that maps to a potentially application-level query.
OperationWithAttributes
PerClientRandomNonceGenerator NonceGenerator implementation that uses client ID hash + random int as nonce group, and random numbers as nonces.
Put Used to perform Put operations for a single row.
Query
RawAsyncTable A low level asynchronous table.
RawAsyncTable.CoprocessorCallable Delegate to a protobuf rpc call.
RawAsyncTable.CoprocessorCallback The callback when we want to execute a coprocessor call on a range of regions.
RawScanResultConsumer Receives Result for an asynchronous scan.
RawScanResultConsumer.ScanController Used to suspend or stop a scan.
RawScanResultConsumer.ScanResumer Used to resume a scan.
RegionAdminServiceCallable Similar to RegionServerCallable but for the AdminService interface.
RegionLoadStats POJO representing region server load
RegionLocator Used to view region location information for a single HBase table.
RegionServerCallable Implementations make a RPC call against a RegionService via a protobuf Service.
RequestController An interface for client request scheduling algorithm.
RequestController.Checker Picks up the valid data.
RequestController.ReturnCode
Result Single row result of a Get or Scan query.
ResultScanner Interface for client-side scanning.
RetriesExhaustedException Exception thrown by HTable methods when an attempt to do something (like commit changes) fails after a bunch of retries.
RetriesExhaustedException.ThrowableWithExtraContext Datastructure that allows adding more info around Throwable incident.
RetriesExhaustedWithDetailsException This subclass of RetriesExhaustedException is thrown when we have more information about which rows were causing which exceptions on what servers.
RetryingCallable A Callable<T> that will be retried.
ReversedScannerCallable A reversed ScannerCallable which supports backward scanning.
Row Has a row.
RowAccess Provide a way to access the inner buffer.
RowMutations Performs multiple mutations atomically on a single row.
RpcRetryingCaller
RpcRetryingCallerFactory Factory to create an RpcRetryingCaller
Scan Used to perform Scan operations.
Scan.ReadType
ScannerCallable Scanner operations such as create, next, etc.
ScanResultConsumer Receives Result for an asynchronous scan.
ServerStatisticTracker Tracks the statistics for multiple regions
SingleResponse.Entry
SnapshotDescription The POJO equivalent of HBaseProtos.SnapshotDescription
SnapshotType POJO representing the snapshot type
StatisticTrackable Parent interface for an object to get updates about per-region statistics.
Table Used to communicate with a single HBase table.
TableBuilder For creating Table instance.
TableDescriptor TableDescriptor contains the details about an HBase table such as the descriptors of all the column families, is the table a catalog table, hbase:meta , if the table is read only, the maximum size of the memstore, when the region split should occur, coprocessors associated with it etc...
TableDescriptorBuilder
TableDescriptorBuilder.ModifyableTableDescriptor TODO: make this private after removing the HTableDescriptor
TableState Represents table state.
TableState.State

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase.client.backoff

Class and Description
RegionLoadStats POJO representing region server load

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase.exceptions

Class and Description
DoNotRetryRegionException Similar to RegionException, but disables retries.

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase.ipc

Class and Description
MetricsConnection This class is for maintaining the various connection statistics and publishing them through the metrics interfaces.

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase.protobuf

Class and Description
Append Performs Append operations on a single row.
Consistency Consistency defines the expected consistency level for an operation.
Delete Used to perform Delete operations on a single row.
Durability Enum describing the durability guarantees for tables and Mutations Note that the items must be sorted in order of increasing durability
Get Used to perform Get operations on a single row.
Increment Used to perform Increment operations on a single row.
Mutation
Put Used to perform Put operations for a single row.
Result Single row result of a Get or Scan query.
Scan Used to perform Scan operations.
Scan.ReadType
SnapshotType POJO representing the snapshot type

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase.quotas

Class and Description
Connection A cluster connection encapsulating lower level individual connections to actual servers and a connection to zookeeper.
Get Used to perform Get operations on a single row.
Put Used to perform Put operations for a single row.
Result Single row result of a Get or Scan query.
Scan Used to perform Scan operations.

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase.security.access

Class and Description
Connection A cluster connection encapsulating lower level individual connections to actual servers and a connection to zookeeper.

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase.security.visibility

Class and Description
Connection A cluster connection encapsulating lower level individual connections to actual servers and a connection to zookeeper.

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase.shaded.protobuf

Class and Description
Action A Get, Put, Increment, Append, or Delete associated with it's region.
Append Performs Append operations on a single row.
CompactionState POJO representing the compaction state
Cursor Scan cursor to tell client where server is scanning Scan.setNeedCursorResult(boolean) Result.isCursor() Result.getCursor()
Delete Used to perform Delete operations on a single row.
Durability Enum describing the durability guarantees for tables and Mutations Note that the items must be sorted in order of increasing durability
Get Used to perform Get operations on a single row.
Increment Used to perform Increment operations on a single row.
MasterSwitchType Represents the master switch type
MultiResponse A container for Result objects, grouped by regionName.
Put Used to perform Put operations for a single row.
RegionLoadStats POJO representing region server load
Result Single row result of a Get or Scan query.
RowMutations Performs multiple mutations atomically on a single row.
Scan Used to perform Scan operations.
SingleResponse Class for single action response
SnapshotDescription The POJO equivalent of HBaseProtos.SnapshotDescription
TableDescriptor TableDescriptor contains the details about an HBase table such as the descriptors of all the column families, is the table a catalog table, hbase:meta , if the table is read only, the maximum size of the memstore, when the region split should occur, coprocessors associated with it etc...

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase.snapshot

Class and Description
SnapshotDescription The POJO equivalent of HBaseProtos.SnapshotDescription

Classes in org.apache.hadoop.hbase.client used by org.apache.hadoop.hbase.zookeeper

Class and Description
ClusterConnection Internal methods on Connection that should not be used by user code.