QuotaUtil (Apache HBase 1.4.11 API)

java.lang.Object
- org.apache.hadoop.hbase.quotas.QuotaTableUtil
- - org.apache.hadoop.hbase.quotas.QuotaUtil

@InterfaceAudience.Private
@InterfaceStability.Evolving
public class QuotaUtil
extends QuotaTableUtil

Helper class to interact with the quota table

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.hadoop.hbase.quotas.QuotaTableUtil
  QuotaTableUtil.NamespaceQuotasVisitor, QuotaTableUtil.QuotasVisitor, QuotaTableUtil.TableQuotasVisitor, QuotaTableUtil.UserQuotasVisitor

Field Summary

Fields
Modifier and Type Field and Description

static String QUOTA_CONF_KEY

static HTableDescriptor QUOTA_TABLE_DESC
Table descriptor for Quota internal table
- Fields inherited from class org.apache.hadoop.hbase.quotas.QuotaTableUtil
  QUOTA_FAMILY_INFO, QUOTA_FAMILY_USAGE, QUOTA_NAMESPACE_ROW_KEY_PREFIX, QUOTA_QUALIFIER_SETTINGS, QUOTA_QUALIFIER_SETTINGS_PREFIX, QUOTA_TABLE_NAME, QUOTA_TABLE_ROW_KEY_PREFIX, QUOTA_USER_ROW_KEY_PREFIX

Fields
Modifier and Type	Field and Description
`static String`	`QUOTA_CONF_KEY`
`static HTableDescriptor`	`QUOTA_TABLE_DESC` Table descriptor for Quota internal table

Constructor Summary

Constructors
Constructor and Description

QuotaUtil()

Constructors
Constructor and Description
`QuotaUtil()`

Method Summary

Methods
Modifier and Type	Method and Description
`static void`	`addNamespaceQuota(Connection connection, String namespace, org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas data)`
`static void`	`addTableQuota(Connection connection, TableName table, org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas data)`
`static void`	`addUserQuota(Connection connection, String user, org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas data)`
`static void`	`addUserQuota(Connection connection, String user, String namespace, org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas data)`
`static void`	`addUserQuota(Connection connection, String user, TableName table, org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas data)`
`static long`	`calculateMutationSize(Mutation mutation)`
`static long`	`calculateResultSize(List<Result> results)`
`static long`	`calculateResultSize(Result result)`
`static void`	`deleteNamespaceQuota(Connection connection, String namespace)`
`static void`	`deleteTableQuota(Connection connection, TableName table)`
`static void`	`deleteUserQuota(Connection connection, String user)`
`static void`	`deleteUserQuota(Connection connection, String user, String namespace)`
`static void`	`deleteUserQuota(Connection connection, String user, TableName table)`
`static <K> Map<K,QuotaState>`	`fetchGlobalQuotas(String type, Connection connection, List<Get> gets, org.apache.hadoop.hbase.quotas.QuotaUtil.KeyFromRow<K> kfr)`
`static Map<String,QuotaState>`	`fetchNamespaceQuotas(Connection connection, List<Get> gets)`
`static Map<TableName,QuotaState>`	`fetchTableQuotas(Connection connection, List<Get> gets)`
`static Map<String,UserQuotaState>`	`fetchUserQuotas(Connection connection, List<Get> gets)`
`static boolean`	`isQuotaEnabled(org.apache.hadoop.conf.Configuration conf)` Returns true if the support for quota is enabled

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- QUOTA_CONF_KEY
```
public static final String QUOTA_CONF_KEY
```
  See Also:
  Constant Field Values
- QUOTA_TABLE_DESC
```
public static final HTableDescriptor QUOTA_TABLE_DESC
```
  Table descriptor for Quota internal table

Constructor Detail
- QuotaUtil
```
public QuotaUtil()
```

Method Detail

isQuotaEnabled

public static boolean isQuotaEnabled(org.apache.hadoop.conf.Configuration conf)

Returns true if the support for quota is enabled

addTableQuota

public static void addTableQuota(Connection connection,
                 TableName table,
                 org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas data)
                          throws IOException

Throws:: IOException

deleteTableQuota

public static void deleteTableQuota(Connection connection,
                    TableName table)
                             throws IOException

Throws:: IOException

addNamespaceQuota

public static void addNamespaceQuota(Connection connection,
                     String namespace,
                     org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas data)
                              throws IOException

Throws:: IOException

deleteNamespaceQuota

public static void deleteNamespaceQuota(Connection connection,
                        String namespace)
                                 throws IOException

Throws:: IOException

addUserQuota

public static void addUserQuota(Connection connection,
                String user,
                org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas data)
                         throws IOException

Throws:: IOException

addUserQuota

public static void addUserQuota(Connection connection,
                String user,
                TableName table,
                org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas data)
                         throws IOException

Throws:: IOException

addUserQuota

public static void addUserQuota(Connection connection,
                String user,
                String namespace,
                org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Quotas data)
                         throws IOException

Throws:: IOException

deleteUserQuota

public static void deleteUserQuota(Connection connection,
                   String user)
                            throws IOException

Throws:: IOException

deleteUserQuota

public static void deleteUserQuota(Connection connection,
                   String user,
                   TableName table)
                            throws IOException

Throws:: IOException

deleteUserQuota

public static void deleteUserQuota(Connection connection,
                   String user,
                   String namespace)
                            throws IOException

Throws:: IOException

fetchUserQuotas

public static Map<String,UserQuotaState> fetchUserQuotas(Connection connection,
                                         List<Get> gets)
                                                  throws IOException

Throws:: IOException

fetchTableQuotas

public static Map<TableName,QuotaState> fetchTableQuotas(Connection connection,
                                         List<Get> gets)
                                                  throws IOException

Throws:: IOException

fetchNamespaceQuotas

public static Map<String,QuotaState> fetchNamespaceQuotas(Connection connection,
                                          List<Get> gets)
                                                   throws IOException

Throws:: IOException

fetchGlobalQuotas

public static <K> Map<K,QuotaState> fetchGlobalQuotas(String type,
                                      Connection connection,
                                      List<Get> gets,
                                      org.apache.hadoop.hbase.quotas.QuotaUtil.KeyFromRow<K> kfr)
                                           throws IOException

Throws:: IOException

calculateMutationSize

public static long calculateMutationSize(Mutation mutation)

calculateResultSize

public static long calculateResultSize(Result result)

calculateResultSize

public static long calculateResultSize(List<Result> results)

Class QuotaUtil

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.quotas.QuotaTableUtil

Field Summary

Fields inherited from class org.apache.hadoop.hbase.quotas.QuotaTableUtil

Constructor Summary

Method Summary

Methods inherited from class org.apache.hadoop.hbase.quotas.QuotaTableUtil

Methods inherited from class java.lang.Object

Field Detail

QUOTA_CONF_KEY

QUOTA_TABLE_DESC

Constructor Detail

QuotaUtil

Method Detail

isQuotaEnabled

addTableQuota

deleteTableQuota

addNamespaceQuota

deleteNamespaceQuota

addUserQuota

addUserQuota

addUserQuota

deleteUserQuota

deleteUserQuota

deleteUserQuota

fetchUserQuotas

fetchTableQuotas

fetchNamespaceQuotas

fetchGlobalQuotas

calculateMutationSize

calculateResultSize

calculateResultSize