org.apache.hadoop.hbase.security.visibility
Class VisibilityLabelServiceManager

java.lang.Object
  org.apache.hadoop.hbase.security.visibility.VisibilityLabelServiceManager

@InterfaceAudience.Private
public class VisibilityLabelServiceManager
extends Object

Manages singleton instance of VisibilityLabelService

Field Summary

static String

VISIBILITY_LABEL_SERVICE_CLASS

Method Summary

static VisibilityLabelServiceManager	getInstance()
VisibilityLabelService	getVisibilityLabelService()
VisibilityLabelService	getVisibilityLabelService(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

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

Field Detail

VISIBILITY_LABEL_SERVICE_CLASS

public static final String VISIBILITY_LABEL_SERVICE_CLASS

See Also:

Constant Field Values

Method Detail

getInstance

public static VisibilityLabelServiceManager getInstance()

getVisibilityLabelService

public VisibilityLabelService getVisibilityLabelService(org.apache.hadoop.conf.Configuration conf)
                                                 throws IOException

Parameters:

conf -

Returns:

singleton instance of VisibilityLabelService. The FQCN of the implementation class can be specified using "hbase.regionserver.visibility.label.service.class".

Throws:

IOException - When VLS implementation, as specified in conf, can not be loaded.

getVisibilityLabelService

public VisibilityLabelService getVisibilityLabelService()

Returns:

singleton instance of VisibilityLabelService.

Throws:

IllegalStateException - if this called before initialization of singleton instance.