org.apache.druid.segment.generator

Class GeneratorColumnSchema

java.lang.Object

org.apache.druid.segment.generator.GeneratorColumnSchema

public class GeneratorColumnSchema
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GeneratorColumnSchema.ValueDistribution SEQUENTIAL: Generate integer or enumerated values in sequence.

Constructor Summary

Constructors

Constructor and Description
GeneratorColumnSchema(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, GeneratorColumnSchema.ValueDistribution distributionType, List<Object> enumeratedValues, List<Double> enumeratedProbabilities, Integer startInt, Integer endInt, Double startDouble, Double endDouble, Double zipfExponent, Double mean, Double standardDeviation)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
DimensionSchema	getDimensionSchema()
GeneratorColumnSchema.ValueDistribution	getDistributionType()
Double	getEndDouble()
Integer	getEndInt()
List<Double>	getEnumeratedProbabilities()
List<Object>	getEnumeratedValues()
Double	getMean()
String	getName()
Double	getNullProbability()
int	getRowSize()
Double	getStandardDeviation()
Double	getStartDouble()
Integer	getStartInt()
ValueType	getType()
Double	getZipfExponent()
int	hashCode()
boolean	isMetric()
static GeneratorColumnSchema	makeContinuousUniform(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, double startDouble, double endDouble)
static GeneratorColumnSchema	makeDiscreteUniform(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, int startInt, int endInt)
static GeneratorColumnSchema	makeEnumerated(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, List<Object> enumeratedValues, List<Double> enumeratedProbabilities)
static GeneratorColumnSchema	makeEnumeratedDiscreteUniform(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, List<Object> enumeratedValues)
static GeneratorColumnSchema	makeEnumeratedSequential(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, List<Object> enumeratedValues)
static GeneratorColumnSchema	makeEnumeratedZipf(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, List<Object> enumeratedValues, Double zipfExponent)
ColumnValueGenerator	makeGenerator(long seed)
static GeneratorColumnSchema	makeLazyDiscreteUniform(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, int startInt, int endInt)
static GeneratorColumnSchema	makeLazyZipf(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, int startInt, int endInt, Double zipfExponent)
static GeneratorColumnSchema	makeNormal(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, Double mean, Double standardDeviation, boolean useRounding)
static GeneratorColumnSchema	makeSequential(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, int startInt, int endInt)
static GeneratorColumnSchema	makeZipf(String name, ValueType type, boolean isMetric, int rowSize, Double nullProbability, int startInt, int endInt, Double zipfExponent)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

GeneratorColumnSchema

public GeneratorColumnSchema(String name,
                             ValueType type,
                             boolean isMetric,
                             int rowSize,
                             Double nullProbability,
                             GeneratorColumnSchema.ValueDistribution distributionType,
                             List<Object> enumeratedValues,
                             List<Double> enumeratedProbabilities,
                             Integer startInt,
                             Integer endInt,
                             Double startDouble,
                             Double endDouble,
                             Double zipfExponent,
                             Double mean,
                             Double standardDeviation)

Method Detail

makeGenerator

public ColumnValueGenerator makeGenerator(long seed)

getDimensionSchema

public DimensionSchema getDimensionSchema()

getName

public String getName()

getNullProbability

public Double getNullProbability()

getType

public ValueType getType()

isMetric

public boolean isMetric()

getDistributionType

public GeneratorColumnSchema.ValueDistribution getDistributionType()

getRowSize

public int getRowSize()

getEnumeratedValues

public List<Object> getEnumeratedValues()

getEnumeratedProbabilities

public List<Double> getEnumeratedProbabilities()

getStartInt

public Integer getStartInt()

getEndInt

public Integer getEndInt()

getStartDouble

public Double getStartDouble()

getEndDouble

public Double getEndDouble()

getZipfExponent

public Double getZipfExponent()

getMean

public Double getMean()

getStandardDeviation

public Double getStandardDeviation()

makeSequential

public static GeneratorColumnSchema makeSequential(String name,
                                                   ValueType type,
                                                   boolean isMetric,
                                                   int rowSize,
                                                   Double nullProbability,
                                                   int startInt,
                                                   int endInt)

makeEnumeratedSequential

public static GeneratorColumnSchema makeEnumeratedSequential(String name,
                                                             ValueType type,
                                                             boolean isMetric,
                                                             int rowSize,
                                                             Double nullProbability,
                                                             List<Object> enumeratedValues)

makeDiscreteUniform

public static GeneratorColumnSchema makeDiscreteUniform(String name,
                                                        ValueType type,
                                                        boolean isMetric,
                                                        int rowSize,
                                                        Double nullProbability,
                                                        int startInt,
                                                        int endInt)

makeEnumeratedDiscreteUniform

public static GeneratorColumnSchema makeEnumeratedDiscreteUniform(String name,
                                                                  ValueType type,
                                                                  boolean isMetric,
                                                                  int rowSize,
                                                                  Double nullProbability,
                                                                  List<Object> enumeratedValues)

makeLazyDiscreteUniform

public static GeneratorColumnSchema makeLazyDiscreteUniform(String name,
                                                            ValueType type,
                                                            boolean isMetric,
                                                            int rowSize,
                                                            Double nullProbability,
                                                            int startInt,
                                                            int endInt)

makeContinuousUniform

public static GeneratorColumnSchema makeContinuousUniform(String name,
                                                          ValueType type,
                                                          boolean isMetric,
                                                          int rowSize,
                                                          Double nullProbability,
                                                          double startDouble,
                                                          double endDouble)

makeNormal

public static GeneratorColumnSchema makeNormal(String name,
                                               ValueType type,
                                               boolean isMetric,
                                               int rowSize,
                                               Double nullProbability,
                                               Double mean,
                                               Double standardDeviation,
                                               boolean useRounding)

makeZipf

public static GeneratorColumnSchema makeZipf(String name,
                                             ValueType type,
                                             boolean isMetric,
                                             int rowSize,
                                             Double nullProbability,
                                             int startInt,
                                             int endInt,
                                             Double zipfExponent)

makeLazyZipf

public static GeneratorColumnSchema makeLazyZipf(String name,
                                                 ValueType type,
                                                 boolean isMetric,
                                                 int rowSize,
                                                 Double nullProbability,
                                                 int startInt,
                                                 int endInt,
                                                 Double zipfExponent)

makeEnumeratedZipf

public static GeneratorColumnSchema makeEnumeratedZipf(String name,
                                                       ValueType type,
                                                       boolean isMetric,
                                                       int rowSize,
                                                       Double nullProbability,
                                                       List<Object> enumeratedValues,
                                                       Double zipfExponent)

makeEnumerated

public static GeneratorColumnSchema makeEnumerated(String name,
                                                   ValueType type,
                                                   boolean isMetric,
                                                   int rowSize,
                                                   Double nullProbability,
                                                   List<Object> enumeratedValues,
                                                   List<Double> enumeratedProbabilities)

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object