org.apache.hadoop.hbase.quotas

Class MasterSpaceQuotaObserver

java.lang.Object

org.apache.hadoop.hbase.coprocessor.BaseMasterObserver

org.apache.hadoop.hbase.quotas.MasterSpaceQuotaObserver

All Implemented Interfaces:

Coprocessor, MasterObserver

@InterfaceAudience.Private
public class MasterSpaceQuotaObserver
extends BaseMasterObserver

An observer to automatically delete space quotas when a table/namespace are deleted.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.Coprocessor

Coprocessor.State

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	REMOVE_QUOTA_ON_TABLE_DELETE
static boolean	REMOVE_QUOTA_ON_TABLE_DELETE_DEFAULT

Fields inherited from interface org.apache.hadoop.hbase.Coprocessor

PRIORITY_HIGHEST, PRIORITY_LOWEST, PRIORITY_SYSTEM, PRIORITY_USER, VERSION

Constructor Summary

Constructors

Constructor and Description
MasterSpaceQuotaObserver()

Method Summary

Modifier and Type	Method and Description
void	postDeleteNamespace(ObserverContext<MasterCoprocessorEnvironment> ctx, java.lang.String namespace) Called after the deleteNamespace operation has been requested.
void	postDeleteTable(ObserverContext<MasterCoprocessorEnvironment> ctx, TableName tableName) Called after the deleteTable operation has been requested.
void	start(CoprocessorEnvironment ctx)

Methods inherited from class org.apache.hadoop.hbase.coprocessor.BaseMasterObserver

postAbortProcedure, postAddColumn, postAddColumnHandler, postAddRSGroup, postAssign, postBalance, postBalanceRSGroup, postBalanceSwitch, postCloneSnapshot, postCreateNamespace, postCreateTable, postCreateTableHandler, postDeleteColumn, postDeleteColumnHandler, postDeleteSnapshot, postDeleteTableHandler, postDisableTable, postDisableTableHandler, postEnableTable, postEnableTableHandler, postGetNamespaceDescriptor, postGetTableDescriptors, postGetTableDescriptors, postGetTableNames, postListNamespaceDescriptors, postListProcedures, postListSnapshot, postModifyColumn, postModifyColumnHandler, postModifyNamespace, postModifyTable, postModifyTableHandler, postMove, postMoveServers, postMoveTables, postRegionOffline, postRemoveRSGroup, postRestoreSnapshot, postSetNamespaceQuota, postSetTableQuota, postSetUserQuota, postSetUserQuota, postSetUserQuota, postSnapshot, postStartMaster, postTableFlush, postTruncateTable, postTruncateTableHandler, postUnassign, preAbortProcedure, preAddColumn, preAddColumnHandler, preAddRSGroup, preAssign, preBalance, preBalanceRSGroup, preBalanceSwitch, preCloneSnapshot, preCreateNamespace, preCreateTable, preCreateTableHandler, preDeleteColumn, preDeleteColumnHandler, preDeleteNamespace, preDeleteSnapshot, preDeleteTable, preDeleteTableHandler, preDisableTable, preDisableTableHandler, preEnableTable, preEnableTableHandler, preGetNamespaceDescriptor, preGetTableDescriptors, preGetTableDescriptors, preGetTableNames, preListNamespaceDescriptors, preListProcedures, preListSnapshot, preMasterInitialization, preModifyColumn, preModifyColumnHandler, preModifyNamespace, preModifyTable, preModifyTableHandler, preMove, preMoveServers, preMoveTables, preRegionOffline, preRemoveRSGroup, preRestoreSnapshot, preSetNamespaceQuota, preSetTableQuota, preSetUserQuota, preSetUserQuota, preSetUserQuota, preShutdown, preSnapshot, preStopMaster, preTableFlush, preTruncateTable, preTruncateTableHandler, preUnassign, stop

Methods inherited from class java.lang.Object

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

Field Detail

REMOVE_QUOTA_ON_TABLE_DELETE

public static final java.lang.String REMOVE_QUOTA_ON_TABLE_DELETE

See Also:

Constant Field Values

REMOVE_QUOTA_ON_TABLE_DELETE_DEFAULT

public static final boolean REMOVE_QUOTA_ON_TABLE_DELETE_DEFAULT

See Also:

Constant Field Values

Constructor Detail

MasterSpaceQuotaObserver

public MasterSpaceQuotaObserver()

Method Detail

start

public void start(CoprocessorEnvironment ctx)
           throws java.io.IOException

Specified by:

start in interface Coprocessor

Overrides:

start in class BaseMasterObserver

Throws:

java.io.IOException

postDeleteTable

public void postDeleteTable(ObserverContext<MasterCoprocessorEnvironment> ctx,
                            TableName tableName)
                     throws java.io.IOException

Description copied from interface: MasterObserver

Called after the deleteTable operation has been requested. Called as part of delete table RPC call.

Specified by:

postDeleteTable in interface MasterObserver

Overrides:

postDeleteTable in class BaseMasterObserver

Parameters:

ctx - the environment to interact with the framework and master

tableName - the name of the table

Throws:

java.io.IOException

postDeleteNamespace

public void postDeleteNamespace(ObserverContext<MasterCoprocessorEnvironment> ctx,
                                java.lang.String namespace)
                         throws java.io.IOException

Description copied from interface: MasterObserver

Called after the deleteNamespace operation has been requested.

Specified by:

postDeleteNamespace in interface MasterObserver

Overrides:

postDeleteNamespace in class BaseMasterObserver

Parameters:

ctx - the environment to interact with the framework and master

namespace - the name of the namespace

Throws:

java.io.IOException