Package org.apache.orc.impl.mask

Class NullifyMask

java.lang.Object

org.apache.orc.impl.mask.NullifyMask

All Implemented Interfaces:

DataMask

public class NullifyMask
extends Object
implements DataMask

Masking routine that converts every value to NULL.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.orc.DataMask

DataMask.Factory, DataMask.MaskOverrides, DataMask.Provider, DataMask.Standard

Constructor Summary

Constructors

Constructor	Description
NullifyMask()

Method Summary

Modifier and Type	Method	Description
void	maskData(org.apache.hadoop.hive.ql.exec.vector.ColumnVector original, org.apache.hadoop.hive.ql.exec.vector.ColumnVector masked, int start, int length)	Mask the given range of values

Methods inherited from class java.lang.Object

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

Constructor Details

NullifyMask

public NullifyMask()

Method Details

maskData

public void maskData(org.apache.hadoop.hive.ql.exec.vector.ColumnVector original,
 org.apache.hadoop.hive.ql.exec.vector.ColumnVector masked,
 int start,
 int length)

Description copied from interface: DataMask

Mask the given range of values

Specified by:

maskData in interface DataMask

Parameters:

original - the original input data

masked - the masked output data

start - the first data element to mask

length - the number of data elements to mask