Package org.apache.hadoop.hbase

Interface Summary

Abortable	Interface to support the aborting of a given server or client.
Cell	The unit of storage in HBase consisting of the following fields:
CellScannable	Implementer can return a CellScanner over its Cell content.
CellScanner	An interface for iterating through a sequence of cells.
Coprocessor	Coprocess interface.
CoprocessorEnvironment	Coprocessor environment state.
InterProcessLock	An interface for an application-specific lock.
InterProcessLock.MetadataHandler	An interface for objects that process lock metadata.
InterProcessReadWriteLock	An interface for a distributed reader-writer lock.
KeyValue.SamePrefixComparator<T>	Avoids redundant comparisons for better performance.
Server	Defines the set of shared functions implemented by HBase servers (Masters and RegionServers).
Stoppable	Implementers are Stoppable.
TableDescriptors	Get, remove and modify table descriptors.

Class Summary

BaseConfigurable	HBase version of Hadoop's Configured class that doesn't initialize the configuration via BaseConfigurable.setConf(Configuration) in the constructor, but only sets the configuration through the BaseConfigurable.setConf(Configuration) method
CellComparator	Compare two HBase cells.
CellUtil	Utility methods helpful slinging Cell instances.
Chore	Chore is a task performed on a period in hbase.
ClusterId	The identifier for this cluster.
ClusterStatus	Status information on the HBase cluster.
CompatibilityFactory	Class that will create many instances of classes provided by the hbase-hadoop{1|2}-compat jars.
CompatibilitySingletonFactory	Factory for classes supplied by hadoop compatibility modules.
CompoundConfiguration	Do a shallow merge of multiple KV configuration pools.
DaemonThreadFactory	Thread factory that creates daemon threads
HBaseConfiguration	Adds HBase configuration files to a Configuration
HColumnDescriptor	An HColumnDescriptor contains information about a column family such as the number of versions, compression settings, etc.
HConstants	HConstants holds a bunch of HBase-related constants
HDFSBlocksDistribution	Data structure to describe the distribution of HDFS blocks amount hosts.
HDFSBlocksDistribution.HostAndWeight	Stores the hostname and weight for that hostname.
HDFSBlocksDistribution.HostAndWeight.WeightComparator	comparator used to sort hosts based on weight
HealthCheckChore	The Class HealthCheckChore for running health checker regularly.
HRegionInfo	HRegion information.
HRegionLocation	Data structure to hold HRegionInfo and the address for the hosting HRegionServer.
HTableDescriptor	HTableDescriptor contains the details about an HBase table such as the descriptors of all the column families, is the table a catalog table, -ROOT- or .META.
KeyValue	An HBase Key/Value.
KeyValue.KeyComparator	Compare key portion of a KeyValue.
KeyValue.KVComparator	Compare KeyValues.
KeyValue.MetaComparator	A KeyValue.KVComparator for .META. catalog table KeyValues.
KeyValue.MetaKeyComparator	Compare key portion of a KeyValue for keys in .META. table.
KeyValue.RootComparator	A KeyValue.KVComparator for -ROOT- catalog table KeyValues.
KeyValue.RootKeyComparator	Compare key portion of a KeyValue for keys in -ROOT- table.
KeyValue.RowComparator	Comparator that compares row component only of a KeyValue.
KeyValue.SplitKeyValue	Utility class that splits a KeyValue buffer into separate byte arrays.
KeyValueTestUtil
KeyValueUtil	static convenience methods for dealing with KeyValues and collections of KeyValues
LocalHBaseCluster	This class creates a single process HBase cluster.
RegionLoad	Encapsulates per-region load metrics.
RegionTransition	Current state of a region in transition.
RemoteExceptionHandler	An immutable class which contains a static method for handling org.apache.hadoop.ipc.RemoteException exceptions.
ServerLoad	This class is used for exporting current state of load on a RegionServer.
ServerName	Instance of an HBase ServerName.
SplitLogCounters	Counters kept by the distributed WAL split log process.
SplitLogTask	State of a WAL log split during distributed splitting.
SplitLogTask.Done
SplitLogTask.Err
SplitLogTask.Owned
SplitLogTask.Resigned
SplitLogTask.Unassigned
ZNodeClearer	Contains a set of methods for the collaboration between the start/stop scripts and the servers.

Enum Summary

CompatibilitySingletonFactory.SingletonStorage
Coprocessor.State	Lifecycle state of a given coprocessor instance.
HConstants.Modify	modifyTable op for replacing the table descriptor
HConstants.OperationStatusCode	Status codes used for return values of bulk operations.
KeyValue.Type	Key type.

Exception Summary

HBaseIOException

All hbase specific IOExceptions should be subclasses of HBaseIOException

Annotation Types Summary

VersionAnnotation

A package attribute that captures the version of hbase that was compiled.