Package org.springframework.data.mongodb.core.aggregation

Class ArithmeticOperators

java.lang.Object

org.springframework.data.mongodb.core.aggregation.ArithmeticOperators

public class ArithmeticOperators
extends Object

Gateway to Arithmetic aggregation operations that perform math operations on numbers.

Since:

1.10

Author:

Christoph Strobl, Mark Paluch, Mushtaq Ahmed, Julia Lee

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ArithmeticOperators.Abs	AggregationExpression for $abs.
static class	ArithmeticOperators.ACos	An expression that calculates the inverse cosine of a value.
static class	ArithmeticOperators.ACosh	An expression that calculates the inverse hyperbolic cosine of a value.
static class	ArithmeticOperators.Add	AggregationExpression for $add.
static enum	ArithmeticOperators.AngularUnit	The unit of measure for computations that operate upon angles.
static class	ArithmeticOperators.ArithmeticOperatorFactory
static class	ArithmeticOperators.ASin	An expression that calculates the inverse sine of a value.
static class	ArithmeticOperators.ASinh	An expression that calculates the inverse hyperbolic sine of a value
static class	ArithmeticOperators.ATan	An expression that calculates the inverse tangent of a value.
static class	ArithmeticOperators.ATan2	An expression that calculates the inverse tangent of y / x, where y and x are the first and second values passed to the expression respectively.
static class	ArithmeticOperators.ATanh	An expression that calculates the inverse hyperbolic tangent of a value
static class	ArithmeticOperators.Ceil	AggregationExpression for $ceil.
static class	ArithmeticOperators.Cos	An expression that calculates the cosine of a value that is measured in radians.
static class	ArithmeticOperators.Cosh	An expression that calculates the hyperbolic cosine of a value that is measured in ArithmeticOperators.AngularUnit.RADIANS.
static class	ArithmeticOperators.Derivative	Value object to represent an expression that calculates the average rate of change within the specified window.
static class	ArithmeticOperators.Divide	AggregationExpression for $divide.
static class	ArithmeticOperators.Exp	AggregationExpression for $exp.
static class	ArithmeticOperators.Floor	AggregationExpression for $floor.
static class	ArithmeticOperators.Integral	Value object to represent an expression that calculates the approximation for the mathematical integral value.
static class	ArithmeticOperators.Ln	AggregationExpression for $ln.
static class	ArithmeticOperators.Log	AggregationExpression for $log.
static class	ArithmeticOperators.Log10	AggregationExpression for $log10.
static class	ArithmeticOperators.Mod	AggregationExpression for $mod.
static class	ArithmeticOperators.Multiply	AggregationExpression for $multiply.
static class	ArithmeticOperators.Pow	AggregationExpression for $pow.
static class	ArithmeticOperators.Rand	ArithmeticOperators.Rand returns a floating value between 0 and 1.
static class	ArithmeticOperators.Round	ArithmeticOperators.Round rounds a number to a whole integer or to a specified decimal place.
static class	ArithmeticOperators.Sin	An expression that calculates the sine of a value that is measured in radians.
static class	ArithmeticOperators.Sinh	An expression that calculates the hyperbolic sine of a value that is measured in ArithmeticOperators.AngularUnit.RADIANS.
static class	ArithmeticOperators.Sqrt	AggregationExpression for $sqrt.
static class	ArithmeticOperators.Subtract	AggregationExpression for $subtract.
static class	ArithmeticOperators.Tan	An expression that calculates the tangent of a value that is measured in radians.
static class	ArithmeticOperators.Tanh	An expression that calculates the hyperbolic tangent of a value that is measured in ArithmeticOperators.AngularUnit.RADIANS.
static class	ArithmeticOperators.Trunc	AggregationExpression for $trunc.

Constructor Summary

Constructors

Constructor	Description
ArithmeticOperators()

Method Summary

Modifier and Type	Method	Description
static ArithmeticOperators.Rand	rand()	Creates new AggregationExpression that returns a random float between 0 and 1 each time it is called.
static ArithmeticOperators.ArithmeticOperatorFactory	valueOf(String fieldReference)	Take the field referenced by given fieldReference.
static ArithmeticOperators.ArithmeticOperatorFactory	valueOf(AggregationExpression expression)	Take the value resulting from the given AggregationExpression.

Methods inherited from class java.lang.Object

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

Constructor Details

ArithmeticOperators

public ArithmeticOperators()

Method Details

valueOf

public static ArithmeticOperators.ArithmeticOperatorFactory valueOf(String fieldReference)

Take the field referenced by given fieldReference.

Parameters:

fieldReference - must not be null.

Returns:

new instance of ArithmeticOperators.ArithmeticOperatorFactory.

valueOf

public static ArithmeticOperators.ArithmeticOperatorFactory valueOf(AggregationExpression expression)

Take the value resulting from the given AggregationExpression.

Parameters:

expression - must not be null.

Returns:

new instance of ArithmeticOperators.ArithmeticOperatorFactory.

rand

public static ArithmeticOperators.Rand rand()

Creates new AggregationExpression that returns a random float between 0 and 1 each time it is called.

Returns:

new instance of ArithmeticOperators.Rand.

Since:

3.3