VisibilityScanDeleteTracker (Apache HBase 1.4.11 API)

All Classes

Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

java.lang.Object
- org.apache.hadoop.hbase.regionserver.querymatcher.ScanDeleteTracker
- - org.apache.hadoop.hbase.security.visibility.VisibilityScanDeleteTracker

All Implemented Interfaces:

DeleteTracker
```
@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.DeleteTracker
  DeleteTracker.DeleteCompare, DeleteTracker.DeleteResult

Field Summary
- Fields inherited from class org.apache.hadoop.hbase.regionserver.querymatcher.ScanDeleteTracker
  deleteBuffer, deleteLength, deleteOffset, deleteTimestamp, deleteType, familyStamp, familyVersionStamps, hasFamilyStamp

Constructor Summary

Constructors
Constructor and Description

VisibilityScanDeleteTracker()

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`add(Cell delCell)` Add the specified KeyValue to the list of deletes to check against for this row operation.
`DeleteTracker.DeleteResult`	`isDeleted(Cell cell)` Check if the specified KeyValue 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
isEmpty, update

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

- Constructor Detail
  - VisibilityScanDeleteTracker
```
public VisibilityScanDeleteTracker()
```
- Method Detail
  - add
```
public void add(Cell delCell)
```
    Description copied from class: ScanDeleteTracker
    
    Add the specified KeyValue 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
  - isDeleted
```
public DeleteTracker.DeleteResult isDeleted(Cell cell)
```
    Description copied from class: ScanDeleteTracker
    
    Check if the specified KeyValue 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
    
    Returns:
    deleteResult
  - 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

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