org.apache.hadoop.hive.hbase

Class HBaseMetaHook

java.lang.Object

org.apache.hadoop.hive.hbase.HBaseMetaHook

All Implemented Interfaces:

Closeable, AutoCloseable, HiveMetaHook

public class HBaseMetaHook
extends Object
implements HiveMetaHook, Closeable

MetaHook for HBase. Updates the table data in HBase too. Not thread safe, and cleanup should be used after usage.

Field Summary

Fields inherited from interface org.apache.hadoop.hive.metastore.HiveMetaHook

allowedAlterTypes, ALTER_TABLE_OPERATION_TYPE

Constructor Summary

Constructors

Constructor and Description
HBaseMetaHook(org.apache.hadoop.conf.Configuration hbaseConf)

Method Summary

Modifier and Type	Method and Description
void	close()
void	commitCreateTable(org.apache.hadoop.hive.metastore.api.Table table) Called after successfully adding a new table definition to the metastore during CREATE TABLE.
void	commitDropTable(org.apache.hadoop.hive.metastore.api.Table tbl, boolean deleteData) Called after successfully removing a table definition from the metastore during DROP TABLE.
void	preCreateTable(org.apache.hadoop.hive.metastore.api.Table tbl) Called before a new table definition is added to the metastore during CREATE TABLE.
void	preDropTable(org.apache.hadoop.hive.metastore.api.Table table) Called before a table definition is removed from the metastore during DROP TABLE.
void	rollbackCreateTable(org.apache.hadoop.hive.metastore.api.Table table) Called after failure adding a new table definition to the metastore during CREATE TABLE.
void	rollbackDropTable(org.apache.hadoop.hive.metastore.api.Table table) Called after failure removing a table definition from the metastore during DROP TABLE.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hive.metastore.HiveMetaHook

preAlterTable

Constructor Detail

HBaseMetaHook

public HBaseMetaHook(org.apache.hadoop.conf.Configuration hbaseConf)

Method Detail

preDropTable

public void preDropTable(org.apache.hadoop.hive.metastore.api.Table table)
                  throws org.apache.hadoop.hive.metastore.api.MetaException

Description copied from interface: HiveMetaHook

Called before a table definition is removed from the metastore during DROP TABLE.

Specified by:

preDropTable in interface HiveMetaHook

Parameters:

table - table definition

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

rollbackDropTable

public void rollbackDropTable(org.apache.hadoop.hive.metastore.api.Table table)
                       throws org.apache.hadoop.hive.metastore.api.MetaException

Description copied from interface: HiveMetaHook

Called after failure removing a table definition from the metastore during DROP TABLE.

Specified by:

rollbackDropTable in interface HiveMetaHook

Parameters:

table - table definition

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

commitDropTable

public void commitDropTable(org.apache.hadoop.hive.metastore.api.Table tbl,
                            boolean deleteData)
                     throws org.apache.hadoop.hive.metastore.api.MetaException

Description copied from interface: HiveMetaHook

Called after successfully removing a table definition from the metastore during DROP TABLE.

Specified by:

commitDropTable in interface HiveMetaHook

Parameters:

tbl - table definition

deleteData - whether to delete data as well; this should typically be ignored in the case of an external table

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

preCreateTable

public void preCreateTable(org.apache.hadoop.hive.metastore.api.Table tbl)
                    throws org.apache.hadoop.hive.metastore.api.MetaException

Description copied from interface: HiveMetaHook

Called before a new table definition is added to the metastore during CREATE TABLE.

Specified by:

preCreateTable in interface HiveMetaHook

Parameters:

tbl - new table definition

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

rollbackCreateTable

public void rollbackCreateTable(org.apache.hadoop.hive.metastore.api.Table table)
                         throws org.apache.hadoop.hive.metastore.api.MetaException

Description copied from interface: HiveMetaHook

Called after failure adding a new table definition to the metastore during CREATE TABLE.

Specified by:

rollbackCreateTable in interface HiveMetaHook

Parameters:

table - new table definition

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

commitCreateTable

public void commitCreateTable(org.apache.hadoop.hive.metastore.api.Table table)
                       throws org.apache.hadoop.hive.metastore.api.MetaException

Description copied from interface: HiveMetaHook

Called after successfully adding a new table definition to the metastore during CREATE TABLE.

Specified by:

commitCreateTable in interface HiveMetaHook

Parameters:

table - new table definition

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException