org.apache.hadoop.hbase.quotas

类 TableQuotaSnapshotStore

java.lang.Object

org.apache.hadoop.hbase.quotas.TableQuotaSnapshotStore

所有已实现的接口:

QuotaSnapshotStore<TableName>

@InterfaceAudience.Private
public class TableQuotaSnapshotStore
extends Object
implements QuotaSnapshotStore<TableName>

QuotaSnapshotStore for tables.

字段概要

从接口继承的字段 org.apache.hadoop.hbase.quotas.QuotaSnapshotStore

NO_QUOTA

构造器概要

构造器

构造器和说明
TableQuotaSnapshotStore(Connection conn, QuotaObserverChore chore, Map<RegionInfo,Long> regionUsage)

方法概要

限定符和类型	方法和说明
Iterable<Map.Entry<RegionInfo,Long>>	filterBySubject(TableName table) Filters the provided regions, returning those which match the given subject.
SpaceQuotaSnapshot	getCurrentState(TableName table) Returns the current SpaceQuotaSnapshot for the given subject.
org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceQuota	getSpaceQuota(TableName subject) Fetch the Quota for the given subject.
SpaceQuotaSnapshot	getTargetState(TableName table, org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceQuota spaceQuota) Computes the target SpaceQuotaSnapshot for the given subject and spaceQuota.
void	setCurrentState(TableName table, SpaceQuotaSnapshot snapshot) Persists the current SpaceQuotaSnapshot for the subject.
void	setRegionUsage(Map<RegionInfo,Long> regionUsage) Updates this with the latest snapshot of filesystem use by region.

从类继承的方法 java.lang.Object

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

构造器详细资料

TableQuotaSnapshotStore

public TableQuotaSnapshotStore(Connection conn,
                               QuotaObserverChore chore,
                               Map<RegionInfo,Long> regionUsage)

方法详细资料

getSpaceQuota

public org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceQuota getSpaceQuota(TableName subject)
                                                                                       throws IOException

从接口复制的说明: QuotaSnapshotStore

Fetch the Quota for the given subject. May be null.

指定者:

getSpaceQuota 在接口中 QuotaSnapshotStore<TableName>

参数:

subject - The object for which the quota should be fetched

抛出:

IOException

getCurrentState

public SpaceQuotaSnapshot getCurrentState(TableName table)

从接口复制的说明: QuotaSnapshotStore

Returns the current SpaceQuotaSnapshot for the given subject.

指定者:

getCurrentState 在接口中 QuotaSnapshotStore<TableName>

参数:

table - The object which the quota snapshot should be fetched

getTargetState

public SpaceQuotaSnapshot getTargetState(TableName table,
                                         org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceQuota spaceQuota)
                                  throws IOException

从接口复制的说明: QuotaSnapshotStore

Computes the target SpaceQuotaSnapshot for the given subject and spaceQuota.

指定者:

getTargetState 在接口中 QuotaSnapshotStore<TableName>

参数:

table - The object which to determine the target SpaceQuotaSnapshot of

spaceQuota - The quota "definition" for the subject

抛出:

IOException

filterBySubject

public Iterable<Map.Entry<RegionInfo,Long>> filterBySubject(TableName table)

从接口复制的说明: QuotaSnapshotStore

Filters the provided regions, returning those which match the given subject.

指定者:

filterBySubject 在接口中 QuotaSnapshotStore<TableName>

参数:

table - The filter criteria. Only regions belonging to this parameter will be returned

setCurrentState

public void setCurrentState(TableName table,
                            SpaceQuotaSnapshot snapshot)

从接口复制的说明: QuotaSnapshotStore

Persists the current SpaceQuotaSnapshot for the subject.

指定者:

setCurrentState 在接口中 QuotaSnapshotStore<TableName>

参数:

table - The object which the SpaceQuotaSnapshot is being persisted for

snapshot - The current state of the subject

setRegionUsage

public void setRegionUsage(Map<RegionInfo,Long> regionUsage)

从接口复制的说明: QuotaSnapshotStore

Updates this with the latest snapshot of filesystem use by region.

指定者:

setRegionUsage 在接口中 QuotaSnapshotStore<TableName>

参数:

regionUsage - A map of RegionInfo objects to their filesystem usage in bytes