org.apache.hadoop.hbase.util

Class ZKDataMigrator

java.lang.Object

org.apache.hadoop.hbase.util.ZKDataMigrator

Deprecated.

Since 2.0.0. To be removed in hbase-3.0.0.

@Deprecated
 @InterfaceAudience.Private
public class ZKDataMigrator
extends Object

Utlity method to migrate zookeeper data across HBase versions.

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	LOG Deprecated.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ZKDataMigrator() Deprecated.

Method Summary

Modifier and Type	Method and Description
private static org.apache.hadoop.hbase.shaded.protobuf.generated.ZooKeeperProtos.DeprecatedTableState.State	getTableState(ZKWatcher zkw, TableName tableName) Deprecated. Since 2.0.0. To be removed in hbase-3.0.0.
static Map<TableName,TableState.State>	queryForTableStates(ZKWatcher zkw) Deprecated. Since 2.0.0. To be removed in hbase-3.0.0.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final org.slf4j.Logger LOG

Deprecated.

Constructor Detail

ZKDataMigrator

private ZKDataMigrator()

Deprecated.

Method Detail

queryForTableStates

@Deprecated
public static Map<TableName,TableState.State> queryForTableStates(ZKWatcher zkw)
                                                                       throws org.apache.zookeeper.KeeperException,
                                                                              InterruptedException

Deprecated. Since 2.0.0. To be removed in hbase-3.0.0.

Method for table states migration. Used when upgrading from pre-2.0 to 2.0 Reading state from zk, applying them to internal state and delete. Used by master to clean migration from zk based states to table descriptor based states.

Throws:

org.apache.zookeeper.KeeperException

InterruptedException

getTableState

@Deprecated
private static org.apache.hadoop.hbase.shaded.protobuf.generated.ZooKeeperProtos.DeprecatedTableState.State getTableState(ZKWatcher zkw,
                                                                                                                                      TableName tableName)
                                                                                                                               throws org.apache.zookeeper.KeeperException,
                                                                                                                                      InterruptedException

Deprecated. Since 2.0.0. To be removed in hbase-3.0.0.

Gets table state from ZK.

Parameters:

zkw - ZKWatcher instance to use

tableName - table we're checking

Returns:

Null or ZooKeeperProtos.DeprecatedTableState.State found in znode.

Throws:

org.apache.zookeeper.KeeperException

InterruptedException