Utility methods for helping with security tasks.

This exception is thrown by the master when a region server clock skew is too high.

Thrown during flush if the possibility snapshot content was not properly persisted into store files.

HConstants holds a bunch of HBase-related constants

Thrown when a namespace exists but should not

Thrown when an operation requires the root and all meta regions to be online

This exception is thrown by the master when a region server was shut down and restarted so fast that the master still hasn't processed the server shutdown of the first instance, or when master is initializing and client call admin operations, or when an operation is performed on a region server that is still starting.

ScheduledChore is a task performed on a period in hbase.

Thrown when a table exists but should not.

Thrown if a table should be enabled but is not.

Thrown when we are asked to operate on a region we know nothing about.

This exception is thrown by the master when a region server reports and is already being processed as dead.

Performs Append operations on a single row.

Used to perform Delete operations on a single row.

Used to perform Get operations on a single row.

An implementation of RegionLocator.

Deprecated. 

Deprecated. 

Specify Isolation levels in Scan operations.

Used to perform Put operations for a single row.

Interface for client-side scanning.

This subclass of RetriesExhaustedException is thrown when we have more information about which rows were causing which exceptions on what servers.

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).

Thrown when a scanner has timed out.

A collection of interfaces and utilities used for interacting with custom RPC interfaces exposed by Coprocessors.

Defines a generic callback to be triggered for each Batch.Call.call(Object) result.

Exception thrown if a mutation fails sanity checks.

Thrown when something is wrong in trying to merge two regions.

A binary comparator which lexicographically compares against the specified byte array using Bytes.compareTo(byte[], byte[]).

A bit comparator which performs the specified bitwise operation on each of the bytes with the specified byte array.

Base class for byte array comparators

A filter, based on the ColumnCountGetFilter, takes two arguments: limit and offset.

This filter is used for selecting only those keys with columns that are between minColumn to maxColumn.

Comparison operators.

This filter is used to filter based on the column family.

Return codes for filterValue().

set operator

The filter looks for the given columns in KeyValue.

Used to indicate a filter incompatibility

A filter that will only return the key component of each KV (the value will be rewritten as empty).

This filter is used for selecting only those keys with columns that matches a particular prefix.

Implementation of Filter interface that limits results to a specific page size.

This class allows a user to specify a filter via a string The string is parsed using the methods of this class and a filter object is constructed.

This filter is used to filter based on the column qualifier.

This comparator is for use with CompareFilter implementations, such as RowFilter, QualifierFilter, and ValueFilter, for filtering based on the value of a given column.

This filter is used to filter based on the key.

This filter is used to filter cells based on value.

This comparator is for use with SingleColumnValueFilter, for filtering based on the value of a given column.

This filter is used to filter based on column value.

A byte sequence that is usable as a key or value.

Represents an interval of version timestamps.

Driver for hbase mapreduce jobs.

This is used to partition the output keys into groups of keys.

Write to table each key, record pair

Convert HBase tabular data into a format that is consumable by Map/Reduce.

Scan an HBase table to sort by a specified sort column.

Convert Map/Reduce output and write it to an HBase table

Iterate over an HBase table data, return (Text, RowResult) pairs

A table split corresponds to a key range [low, high)

A job with a a map and reduce phase to count cells in a table.

Driver for hbase mapreduce jobs.

Extract grouping columns from input record.

This is used to partition the output keys into groups of keys.

Convenience class that simply writes all values (which must be Put or Delete instances) passed to it out to the configured HBase table.

Tool to import data from a TSV file.

Tool to load the output of HFileOutputFormat into an existing table.

Emits sorted Puts.

A partitioner that takes start and end keys and uses bigdecimal to figure which reduce a key belongs to.

A base for TableInputFormats.

Utility for TableMapper and TableReducer

Convert Map/Reduce output and write it to an HBase table.

Iterate over an HBase table data, return (ImmutableBytesWritable, Result) pairs.

Write table content out to files in hdfs.

An immutable type to hold a hostname and port combo, like an Endpoint or java.net.InetSocketAddress (but without danger of our calling resolve -- we do NOT want a resolve happening every time we want to hold a hostname and port combo).

Thrown when a procedure is aborted

Thrown when a procedure WAL is corrupted

This exception is thrown when a region server is asked to open or close a region but it's already processing it

An HBase Replication exception.

Common constants for org.apache.hadoop.hbase.rest

A wrapper around HttpClient which provides some useful function and semantics for interacting with the REST gateway.

The HTTP result code, response headers, and body of a HTTP response.

Wrapper to abstract out usage of user and group information in HBase.

Thrown when a snapshot could not be exported due to an error during the operation.

A Map that keeps a sorted array in order to provide the concurrent map interface.

Encodes and decodes to and from Base64 notation.

A Base64.Base64OutputStream will write data to another OutputStream, given in the constructor, and encode/decode to/from Base64 notation on the fly.

Utility class that handles byte arrays, conversions to/from other types, comparisons, hash code generation, manufacturing keys for HashMaps or HashSets, etc.

A Bytes.ByteArrayComparator that treats the empty array as the largest value.

This class encapsulates a byte array and overrides hashCode and equals so that it's identity is based on the data rather than the array instance.

Certain JVM versions are known to be unstable with HBase.

One or more variables that together maintain an initially zero long sum.

This is a very fast, non-cryptographic hash suitable for general hash-based lookup.

A generic class for pairs.

Constructs a Base64.Base64OutputStream in either ENCODE or DECODE mode.