co.cask.cdap.data2.datafabric.dataset.service

Class StorageProviderNamespaceAdmin

java.lang.Object

co.cask.cdap.data2.datafabric.dataset.service.StorageProviderNamespaceAdmin

Direct Known Subclasses:

DistributedStorageProviderNamespaceAdmin, LocalStorageProviderNamespaceAdmin

public class StorageProviderNamespaceAdmin
extends Object

Performs namespace admin operations on underlying storage (HBase, Filesystem, Hive, etc)

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	StorageProviderNamespaceAdmin(CConfiguration cConf, NamespacedLocationFactory namespacedLocationFactory, ExploreFacade exploreFacade)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	create(Id.Namespace namespaceId) Create a namespace in the underlying system.
protected void	delete(Id.Namespace namespaceId) Delete a namespace from the underlying system Can perform operations such as deleting directories, deleting namespaces, etc.

Methods inherited from class java.lang.Object

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

Constructor Detail

StorageProviderNamespaceAdmin

protected StorageProviderNamespaceAdmin(CConfiguration cConf,
                             NamespacedLocationFactory namespacedLocationFactory,
                             ExploreFacade exploreFacade)

Method Detail

create

protected void create(Id.Namespace namespaceId)
               throws IOException,
                      ExploreException,
                      SQLException

Create a namespace in the underlying system. Can perform operations such as creating directories, creating namespaces, etc. The default implementation creates the namespace directory on the filesystem. Subclasses can override to add more logic such as create namespaces in HBase, etc.

Parameters:

namespaceId - Id.Namespace for the namespace to create

Throws:

IOException - if there are errors while creating the namespace

ExploreException

SQLException

delete

protected void delete(Id.Namespace namespaceId)
               throws IOException,
                      ExploreException,
                      SQLException

Delete a namespace from the underlying system Can perform operations such as deleting directories, deleting namespaces, etc. The default implementation deletes the namespace directory on the filesystem. Subclasses can override to add more logic such as delete namespaces in HBase, etc.

Parameters:

namespaceId - Id.Namespace for the namespace to delete

Throws:

IOException - if there are errors while deleting the namespace

ExploreException

SQLException