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.exceptions
org.apache.hadoop.hbase.mapred	Provides HBase MapReduce Input/OutputFormats, a table indexing MapReduce job, and utility methods.
org.apache.hadoop.hbase.mapreduce	Provides HBase MapReduce Input/OutputFormats, a table indexing MapReduce job, and utility methods.
org.apache.hadoop.hbase.regionserver
org.apache.hadoop.hbase.snapshot

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

Class and Description
ColumnFamilyDescriptor An ColumnFamilyDescriptor contains information about a column family such as the number of versions, compression settings, etc.
CompactionState POJO representing the compaction state
CoprocessorDescriptor CoprocessorDescriptor contains the details about how to build a coprocessor.
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.
RegionInfo Information about a region.
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.client

Class and Description
Admin The administrative API for HBase.
AdvancedScanResultConsumer This is the low level API for asynchronous scan.
AdvancedScanResultConsumer.ScanController Used to suspend or stop a scan, or get a scan cursor if available.
AdvancedScanResultConsumer.ScanResumer Used to resume a scan.
Append Performs Append operations on a single row.
AsyncAdmin The asynchronous administrative API for HBase.
AsyncAdminBuilder For creating AsyncAdmin.
AsyncBufferedMutator Used to communicate with a single HBase table in batches.
AsyncBufferedMutatorBuilder For creating AsyncBufferedMutator.
AsyncConnection The asynchronous version of Connection.
AsyncTable The interface for asynchronous version of Table.
AsyncTable.CoprocessorCallback The callback when we want to execute a coprocessor call on a range of regions.
AsyncTableBuilder For creating AsyncTable.
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.
BufferedMutatorParams Parameters for instantiating a BufferedMutator.
CheckAndMutate Used to perform CheckAndMutate operations.
CheckAndMutate.Builder A builder class for building a CheckAndMutate object.
CheckAndMutateResult Represents a result of a CheckAndMutate operation
ColumnFamilyDescriptor An ColumnFamilyDescriptor contains information about a column family such as the number of versions, compression settings, etc.
ColumnFamilyDescriptorBuilder
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.
Consistency Consistency defines the expected consistency level for an operation.
CoprocessorDescriptor CoprocessorDescriptor contains the details about how to build a coprocessor.
CoprocessorDescriptorBuilder Used to build the CoprocessorDescriptor
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.
HTableMultiplexer.HTableMultiplexerStatus Deprecated. since 2.2.0, will be removed in 3.0.0, without replacement. Please use BufferedMutator for batching mutations.
Increment Used to perform Increment operations on a single row.
IsolationLevel Specify Isolation levels in Scan operations.
LogEntry Abstract response class representing online logs response from ring-buffer use-cases e.g slow/large RPC logs, balancer decision logs
LogQueryFilter Deprecated. as of 2.4.0. Will be removed in 4.0.0.
MasterSwitchType Represents the master switch type
MobCompactPartitionPolicy Enum describing the mob compact partition policy types.
Mutation
NormalizeTableFilterParams A collection of criteria used for table selection.
OnlineLogRecord Slow/Large Log payload for hbase-client, to be used by Admin API get_slow_responses and get_large_responses
Operation Superclass for any type that maps to a potentially application-level query.
OperationWithAttributes
Put Used to perform Put operations for a single row.
Query Base class for HBase read operations; e.g.
RegionInfo Information about a region.
RegionLoadStats POJO representing region server load
RegionLocator Used to view region location information for a single HBase table.
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.
RetriesExhaustedWithDetailsException This subclass of RetriesExhaustedException is thrown when we have more information about which rows were causing which exceptions on what servers.
Row Has a row.
RowMutations Performs multiple mutations atomically on a single row.
Scan Used to perform Scan operations.
Scan.ReadType
ScanResultConsumer Receives Result for an asynchronous scan.
ScanResultConsumerBase The base interface for scan result consumer.
ServerType Select server type i.e destination for RPC request associated with ring buffer.
ServiceCaller Delegate to a protobuf rpc call.
SnapshotDescription The POJO equivalent of HBaseProtos.SnapshotDescription
SnapshotType POJO representing the snapshot type
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 Convenience class for composing an instance of TableDescriptor.

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.mapred

Class and Description
Connection A cluster connection encapsulating lower level individual connections to actual servers and a connection to zookeeper.
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.
Table Used to communicate with a single HBase table.

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

Class and Description
Admin The administrative API for HBase.
Mutation
Put Used to perform Put operations for a single row.
RegionLocator Used to view region location information for a single HBase 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...

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

Class and Description
RowTooBigException Gets or Scans throw this exception if running without in-row scan flag set and row size appears to exceed max configured size (configurable via hbase.table.max.rowsize).

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

Class and Description
SnapshotDescription The POJO equivalent of HBaseProtos.SnapshotDescription