org.springframework.data.hadoop.hbase
Class HbaseUtils

java.lang.Object
  org.springframework.data.hadoop.hbase.HbaseUtils

public class HbaseUtils
extends Object

Helper class featuring methods for Hbase table handling and exception translation.

Author:

Costin Leau

Constructor Summary

HbaseUtils()

Method Summary

static DataAccessException	convertHbaseException(Exception ex) Converts the given (Hbase) exception to an appropriate exception from org.springframework.dao hierarchy.
static HTable	getHTable(Configuration configuration, String tableName) Retrieves an Hbase table instance identified by its name.
static HTable	getHTable(HTableInterfaceFactory tableFactory, Charset charset, Configuration configuration, String tableName) Retrieves an Hbase table instance identified by its name and charset using the given table factory.
static void	releaseTable(String tableName, HTableInterface table) Releases (and closes) the given table, created via the given configuration if it is not managed externally.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HbaseUtils

public HbaseUtils()

Method Detail

convertHbaseException

public static DataAccessException convertHbaseException(Exception ex)

Converts the given (Hbase) exception to an appropriate exception from org.springframework.dao hierarchy.

Parameters:

ex - Hbase exception that occurred

Returns:

the corresponding DataAccessException instance

getHTable

public static HTable getHTable(Configuration configuration,
                               String tableName)

Retrieves an Hbase table instance identified by its name.

Parameters:

configuration - Hbase configuration object

tableName - table name

Returns:

table instance

getHTable

public static HTable getHTable(HTableInterfaceFactory tableFactory,
                               Charset charset,
                               Configuration configuration,
                               String tableName)

Retrieves an Hbase table instance identified by its name and charset using the given table factory.

Parameters:

tableFactory - table factory (may be null)

charset - name charset (may be null)

configuration - Hbase configuration object

tableName - table name

Returns:

table instance

releaseTable

public static void releaseTable(String tableName,
                                HTableInterface table)

Releases (and closes) the given table, created via the given configuration if it is not managed externally.

Parameters:

tableName -

table -