Package org.apache.hadoop.hdfs.server.federation.router

Class RouterQuotaUsage

java.lang.Object

org.apache.hadoop.fs.QuotaUsage

org.apache.hadoop.hdfs.server.federation.router.RouterQuotaUsage

public final class RouterQuotaUsage
extends org.apache.hadoop.fs.QuotaUsage

The subclass of QuotaUsage used in Router-based federation.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RouterQuotaUsage.Builder	Build the instance based on the builder.

Field Summary

Fields

Modifier and Type	Field	Description
static long	QUOTA_USAGE_COUNT_DEFAULT	Default quota usage count.

Fields inherited from class org.apache.hadoop.fs.QuotaUsage

QUOTA_HEADER, QUOTA_HEADER_FIELDS, QUOTA_STRING_FORMAT, SPACE_QUOTA_STRING_FORMAT

Method Summary

Modifier and Type	Method	Description
java.lang.String	toString()
void	verifyNamespaceQuota()	Verify if namespace quota is violated once quota is set.
void	verifyQuotaByStorageType()	Verify space quota by storage type is violated once quota is set.
void	verifyStoragespaceQuota()	Verify if storage space quota is violated once quota is set.

Methods inherited from class org.apache.hadoop.fs.QuotaUsage

equals, getFileAndDirectoryCount, getHeader, getQuota, getQuotaUsage, getSpaceConsumed, getSpaceQuota, getStorageTypeHeader, getTypeConsumed, getTypeQuota, getTypesQuotaUsage, hashCode, isTypeConsumedAvailable, isTypeQuotaSet, setQuota, setSpaceConsumed, setSpaceQuota, toString, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

QUOTA_USAGE_COUNT_DEFAULT

public static final long QUOTA_USAGE_COUNT_DEFAULT

Default quota usage count.

See Also:

Constant Field Values

Method Detail

verifyNamespaceQuota

public void verifyNamespaceQuota()
                          throws org.apache.hadoop.hdfs.protocol.NSQuotaExceededException

Verify if namespace quota is violated once quota is set. Relevant method DirectoryWithQuotaFeature.verifyNamespaceQuota(long).

Throws:

org.apache.hadoop.hdfs.protocol.NSQuotaExceededException - If the quota is exceeded.

verifyStoragespaceQuota

public void verifyStoragespaceQuota()
                             throws org.apache.hadoop.hdfs.protocol.DSQuotaExceededException

Verify if storage space quota is violated once quota is set. Relevant method DirectoryWithQuotaFeature.verifyStoragespaceQuota(long).

Throws:

org.apache.hadoop.hdfs.protocol.DSQuotaExceededException - If the quota is exceeded.

verifyQuotaByStorageType

public void verifyQuotaByStorageType()
                              throws org.apache.hadoop.hdfs.protocol.DSQuotaExceededException

Verify space quota by storage type is violated once quota is set. Relevant method DirectoryWithQuotaFeature.verifyQuotaByStorageType(org.apache.hadoop.hdfs.util.EnumCounters<org.apache.hadoop.fs.StorageType>).

Throws:

org.apache.hadoop.hdfs.protocol.DSQuotaExceededException - If the quota is exceeded.

toString

public java.lang.String toString()

Overrides:

toString in class org.apache.hadoop.fs.QuotaUsage