Package org.apache.hadoop.hbase.util

Interface Summary

Interface	Description
ByteRange	Lightweight, reusable class for specifying ranges of byte[]'s.
PositionedByteRange	Extends ByteRange with additional methods to support tracking a consumers position within the viewport.

Class Summary

Class	Description
ByteBufferUtils	Utility functions for working with byte buffers, such as reading/writing variable-length long numbers.
ByteRangeUtils	Utility methods for working with ByteRange.
Bytes	Utility class that handles byte arrays, conversions to/from other types, comparisons, hash code generation, manufacturing keys for HashMaps or HashSets, and can be used as key in maps or trees.
Bytes.ByteArrayComparator	Byte array comparator class.
Bytes.RowEndKeyComparator	A Bytes.ByteArrayComparator that treats the empty array as the largest value.
ConfigurationUtil	Utilities for storing more complex collection types in Configuration instances.
Counter	Deprecated since 2.0.0 and will be removed in 3.0.0.
JsonMapper	Utility class for converting objects to JSON
LossyCounting	LossyCounting utility, bounded data structure that maintains approximate high frequency elements in data stream.
MD5Hash	Utility class for MD5 MD5 hash produces a 128-bit digest.
OrderedBytes	Utility class that handles ordered byte arrays.
Pair<T1,T2>	A generic class for pairs.
PairOfSameType<T>	A generic, immutable class for pairs of objects both of type T.
RegionMover	Tool for loading/unloading regions to/from given regionserver This tool can be run from Command line directly as a utility.
SimpleByteRange	A read only version of the ByteRange.
SimpleMutableByteRange	A basic mutable ByteRange implementation.
SimplePositionedByteRange	Extends the basic SimpleMutableByteRange implementation with position support and it is a readonly version.
SimplePositionedMutableByteRange	Extends the basic AbstractPositionedByteRange implementation with position support and it is a mutable version.
VersionInfo	This class finds the Version information for HBase.

Enum Summary

Enum	Description
Order	Used to describe or modify the lexicographical sort order of a byte[].

Exception Summary

Exception	Description
FileSystemVersionException	Thrown when the file system needs to be upgraded
LeaseNotRecoveredException	Thrown when the lease was expected to be recovered, but the file can't be opened.
ReadOnlyByteRangeException	Exception thrown when a read only byte range is modified