Package org.apache.hadoop.hbase.util.bulkdatagenerator

Class Utility

java.lang.Object

org.apache.hadoop.hbase.util.bulkdatagenerator.Utility

public final class Utility
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	Utility.TableColumnNames	Schema for HBase table to be generated by generated and populated by BulkDataGeneratorTool

Field Summary

Fields

Modifier and Type	Field	Description
static final String	COLUMN_FAMILY
static final int	MAX_SPLIT_COUNT
static final int	SPLIT_PREFIX_LENGTH

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Utility()	Private Constructor

Method Summary

Modifier and Type	Method	Description
static void	createTable(org.apache.hadoop.hbase.client.Admin admin, String tableName, int splitCount, Map<String,String> tableOptions)	Creates a pre-splitted HBase Table having single column family (COLUMN_FAMILY) and sequential splits with SPLIT_PREFIX_LENGTH length character prefix.
static void	deleteTable(org.apache.hadoop.hbase.client.Admin admin, String tableName)

Methods inherited from class java.lang.Object

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

Field Details

COLUMN_FAMILY

public static final String COLUMN_FAMILY

See Also:

• Constant Field Values

SPLIT_PREFIX_LENGTH

public static final int SPLIT_PREFIX_LENGTH

See Also:

• Constant Field Values

MAX_SPLIT_COUNT

public static final int MAX_SPLIT_COUNT

Constructor Details

Utility

private Utility()

Private Constructor

Method Details

deleteTable

public static void deleteTable(org.apache.hadoop.hbase.client.Admin admin,
 String tableName)
                        throws IOException

Throws:

IOException

createTable

public static void createTable(org.apache.hadoop.hbase.client.Admin admin,
 String tableName,
 int splitCount,
 Map<String,String> tableOptions)
                        throws IOException

Creates a pre-splitted HBase Table having single column family (COLUMN_FAMILY) and sequential splits with SPLIT_PREFIX_LENGTH length character prefix. Example: If a table (TEST_TABLE_1) need to be generated with splitCount as 10, table would be created with (10+1) regions with boundaries end-keys as (000000-000001, 000001-000002, 000002-000003, ...., 0000010-)

Parameters:

admin - - Admin object associated with HBase connection

tableName - - Name of table to be created

splitCount - - Number of splits for the table (Number of regions will be splitCount + 1)

tableOptions - - Additional HBase metadata properties to be set for the table

Throws:

IOException