com.bazaarvoice.jolt.modifier.function

Class Math

java.lang.Object

com.bazaarvoice.jolt.modifier.function.Math

public class Math
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Math.abs
static class	Math.avg
static class	Math.divide
static class	Math.divideAndRound
static class	Math.doubleSubtract
static class	Math.doubleSum
static class	Math.intSubtract
static class	Math.intSum
static class	Math.longSubtract
static class	Math.longSum
static class	Math.max
static class	Math.min

Constructor Summary

Constructors

Constructor and Description
Math()

Method Summary

Modifier and Type	Method and Description
static Optional<Number>	abs(Object arg) Given any object, returns, if possible.
static Optional<Double>	avg(List<Object> args) Given a list of numbers, returns their avg as double any value in the list that is not a valid number is ignored avg(2,"2","abc") == Optional.of(2.0)
static Optional<Double>	divide(List<Object> argList)
static Optional<Double>	divideAndRound(List<Object> argList, int digitsAfterDecimalPoint)
static Optional<Double>	doubleSubtract(List<Object> argList)
static Optional<Double>	doubleSum(List<Object> args)
static Optional<Integer>	intSubtract(List<Object> argList)
static Optional<Integer>	intSum(List<Object> args)
static Optional<Long>	longSubtract(List<Object> argList)
static Optional<Long>	longSum(List<Object> args)
static Optional<Number>	max(List<Object> args) Given a list of objects, returns the max value in its appropriate type also, interprets String as Number and returns appropriately max(1,2l,3d) == Optional.of(3d) max(1,2l,"3.0") == Optional.of(3.0) max("a", "b", "c") == Optional.empty() max([]) == Optional.empty()
static Optional<Number>	min(List<Object> args) Given a list of objects, returns the min value in its appropriate type also, interprets String as Number and returns appropriately min(1d,2l,3) == Optional.of(1d) min("1.0",2l,d) == Optional.of(1.0) min("a", "b", "c") == Optional.empty() min([]) == Optional.empty()

Methods inherited from class java.lang.Object

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

Constructor Detail

Math

public Math()

Method Detail

max

public static Optional<Number> max(List<Object> args)

Given a list of objects, returns the max value in its appropriate type also, interprets String as Number and returns appropriately max(1,2l,3d) == Optional.of(3d) max(1,2l,"3.0") == Optional.of(3.0) max("a", "b", "c") == Optional.empty() max([]) == Optional.empty()

min

public static Optional<Number> min(List<Object> args)

Given a list of objects, returns the min value in its appropriate type also, interprets String as Number and returns appropriately min(1d,2l,3) == Optional.of(1d) min("1.0",2l,d) == Optional.of(1.0) min("a", "b", "c") == Optional.empty() min([]) == Optional.empty()

abs

public static Optional<Number> abs(Object arg)

Given any object, returns, if possible. its absolute value wrapped in Optional Interprets String as Number abs("-123") == Optional.of(123) abs("123") == Optional.of(123) abs("12.3") == Optional.of(12.3) abs("abc") == Optional.empty() abs(null) == Optional.empty()

avg

public static Optional<Double> avg(List<Object> args)

Given a list of numbers, returns their avg as double any value in the list that is not a valid number is ignored avg(2,"2","abc") == Optional.of(2.0)

intSum

public static Optional<Integer> intSum(List<Object> args)

doubleSum

public static Optional<Double> doubleSum(List<Object> args)

longSum

public static Optional<Long> longSum(List<Object> args)

intSubtract

public static Optional<Integer> intSubtract(List<Object> argList)

doubleSubtract

public static Optional<Double> doubleSubtract(List<Object> argList)

longSubtract

public static Optional<Long> longSubtract(List<Object> argList)

divide

public static Optional<Double> divide(List<Object> argList)

divideAndRound

public static Optional<Double> divideAndRound(List<Object> argList,
                                              int digitsAfterDecimalPoint)