org.ff4j.hbase

Class HBaseConnection

java.lang.Object

org.ff4j.hbase.HBaseConnection

public class HBaseConnection
extends Object

Connection to Cassandra.

Author:

Cedrick Lunven (@clunven)

Constructor Summary

Constructors

Constructor and Description
HBaseConnection() Default Settings.
HBaseConnection(boolean checkConfig) Defaut settings but can skip validation.
HBaseConnection(org.apache.hadoop.conf.Configuration hbaseConf, boolean checkConfig) Default.
HBaseConnection(String xmlConf, boolean checkConfig) Create connection from XML File.
HBaseConnection(String zooKeeperQuorum, int zooKeeperClientPort, boolean checkConfig) Constructor with parameters.

Method Summary

Modifier and Type	Method and Description
void	checkHBaseConfiguration() Allows check the configuration
void	createTable(String tableName, Set<String> columnFamilies) Helper to create a table in HBASE.
org.apache.hadoop.conf.Configuration	getConfig() Getter accessor for attribute 'config'.
Stream<String>	listTablesName() List tables in DB.
void	truncateTable(String tableName) Clear a table by its name.

Methods inherited from class java.lang.Object

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

Constructor Detail

HBaseConnection

public HBaseConnection()

Default Settings.

HBaseConnection

public HBaseConnection(String xmlConf,
                       boolean checkConfig)

Create connection from XML File.

Parameters:

xmlConf - target xml config

checkConfig - if the connection must be checked

HBaseConnection

public HBaseConnection(boolean checkConfig)

Defaut settings but can skip validation.

Parameters:

checkConfig - flag to avoid validate configuration

HBaseConnection

public HBaseConnection(String zooKeeperQuorum,
                       int zooKeeperClientPort,
                       boolean checkConfig)

Constructor with parameters.

Parameters:

zooKeeperQuorum - list of zookeeper host separater by a comma

zooKeeperClientPort - zookeeper port (should be the same for all?)

checkConfig -

HBaseConnection

public HBaseConnection(org.apache.hadoop.conf.Configuration hbaseConf,
                       boolean checkConfig)

Default.

Method Detail

checkHBaseConfiguration

public void checkHBaseConfiguration()

Allows check the configuration

createTable

public void createTable(String tableName,
                        Set<String> columnFamilies)

Helper to create a table in HBASE.

Parameters:

tableName - current table name

columnFamilies - list of column families

truncateTable

public void truncateTable(String tableName)

Clear a table by its name.

Parameters:

tableName - table name

listTablesName

public Stream<String> listTablesName()
                              throws IOException

List tables in DB.

Returns:

get table

Throws:

IOException

getConfig

public org.apache.hadoop.conf.Configuration getConfig()

Getter accessor for attribute 'config'.

Returns:

current value of 'config'