org.apache.hadoop.hbase.security.visibility

Class VisibilityScanDeleteTracker

java.lang.Object

org.apache.hadoop.hbase.regionserver.querymatcher.ScanDeleteTracker

org.apache.hadoop.hbase.security.visibility.VisibilityScanDeleteTracker

All Implemented Interfaces:

DeleteTracker, ShipperListener

@InterfaceAudience.Private
public class VisibilityScanDeleteTracker
extends ScanDeleteTracker

Similar to ScanDeletTracker but tracks the visibility expression also before deciding if a Cell can be considered deleted

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.regionserver.querymatcher.DeleteTracker

DeleteTracker.DeleteResult

Field Summary

Fields

Modifier and Type	Field and Description
private static List<Tag>	EMPTY_TAG This tag is used for the DELETE cell which has no visibility label.
private static org.slf4j.Logger	LOG
private List<Pair<List<Tag>,Byte>>	visibilityTagsDeleteColumns
private List<Triple<List<Tag>,Byte,Long>>	visibilityTagsDeleteFamily
private List<Triple<List<Tag>,Byte,Long>>	visibilityTagsDeleteFamilyVersion
private List<Pair<List<Tag>,Byte>>	visiblityTagsDeleteColumnVersion

Fields inherited from class org.apache.hadoop.hbase.regionserver.querymatcher.ScanDeleteTracker

comparator, deleteBuffer, deleteCell, deleteLength, deleteOffset, deleteTimestamp, deleteType, familyStamp, familyVersionStamps, hasFamilyStamp

Constructor Summary

Constructors

Constructor and Description
VisibilityScanDeleteTracker(CellComparator comparator)

Method Summary

Modifier and Type	Method and Description
void	add(Cell delCell) Add the specified Cell to the list of deletes to check against for this row operation.
private boolean	extractDeleteCellVisTags(Cell delCell, KeyValue.Type type)
DeleteTracker.DeleteResult	isDeleted(Cell cell) Check if the specified Cell buffer has been deleted by a previously seen delete.
void	reset() Called between rows.

Methods inherited from class org.apache.hadoop.hbase.regionserver.querymatcher.ScanDeleteTracker

beforeShipped, getCellComparator, isEmpty, update

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final org.slf4j.Logger LOG

EMPTY_TAG

private static final List<Tag> EMPTY_TAG

This tag is used for the DELETE cell which has no visibility label.

visibilityTagsDeleteFamily

private List<Triple<List<Tag>,Byte,Long>> visibilityTagsDeleteFamily

visibilityTagsDeleteFamilyVersion

private List<Triple<List<Tag>,Byte,Long>> visibilityTagsDeleteFamilyVersion

visibilityTagsDeleteColumns

private List<Pair<List<Tag>,Byte>> visibilityTagsDeleteColumns

visiblityTagsDeleteColumnVersion

private List<Pair<List<Tag>,Byte>> visiblityTagsDeleteColumnVersion

Constructor Detail

VisibilityScanDeleteTracker

public VisibilityScanDeleteTracker(CellComparator comparator)

Method Detail

add

public void add(Cell delCell)

Description copied from class: ScanDeleteTracker

Add the specified Cell to the list of deletes to check against for this row operation.

This is called when a Delete is encountered.

Specified by:

add in interface DeleteTracker

Overrides:

add in class ScanDeleteTracker

Parameters:

delCell - - the delete cell

extractDeleteCellVisTags

private boolean extractDeleteCellVisTags(Cell delCell,
                                         KeyValue.Type type)

isDeleted

public DeleteTracker.DeleteResult isDeleted(Cell cell)

Description copied from class: ScanDeleteTracker

Check if the specified Cell buffer has been deleted by a previously seen delete.

Specified by:

isDeleted in interface DeleteTracker

Overrides:

isDeleted in class ScanDeleteTracker

Parameters:

cell - - current cell to check if deleted by a previously seen delete n

Returns:

deleteResult The result tells whether the Cell is deleted and why

reset

public void reset()

Description copied from interface: DeleteTracker

Called between rows.

This clears everything as if a new DeleteTracker was instantiated.

Specified by:

reset in interface DeleteTracker

Overrides:

reset in class ScanDeleteTracker