org.apache.hadoop.hive.ql.metadata

Class Sample

java.lang.Object

org.apache.hadoop.hive.ql.metadata.Sample

public class Sample
extends java.lang.Object

A sample defines a subset of data based on sampling on a given dimension.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	moduloNum
protected Dimension	sampleDimension
protected int	sampleFraction
protected int	sampleNum

Constructor Summary

Constructors

Constructor and Description
Sample(int num, int fraction, Dimension d)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
Dimension	getSampleDimension()
int	getSampleFraction()
int	getSampleNum()
int	hashCode()
boolean	inSample(java.lang.Object o) Given an arbitrary object, determine if it falls within this sample.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

sampleNum

protected int sampleNum

sampleFraction

protected int sampleFraction

sampleDimension

protected Dimension sampleDimension

moduloNum

protected int moduloNum

Constructor Detail

Sample

public Sample(int num,
              int fraction,
              Dimension d)
       throws HiveException

Throws:

HiveException

Method Detail

inSample

public boolean inSample(java.lang.Object o)

Given an arbitrary object, determine if it falls within this sample.

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

getSampleNum

public int getSampleNum()

getSampleFraction

public int getSampleFraction()

getSampleDimension

public Dimension getSampleDimension()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object