Package dev.morphia.aggregation.expressions.impls

Class CalculusExpression

java.lang.Object

dev.morphia.aggregation.expressions.impls.Expression

dev.morphia.aggregation.expressions.impls.CalculusExpression

public class CalculusExpression
extends Expression

Common type for $derivative and $integral

Since:

2.3

See Also:

WindowExpressions.derivative(Expression), WindowExpressions.integral(Expression)

Since server release

5.0

Constructor Summary

Constructors

Constructor	Description
CalculusExpression(String operation, Expression input)

Method Summary

Modifier and Type	Method	Description
void	encode(Datastore datastore, BsonWriter writer, EncoderContext encoderContext)
CalculusExpression	unit(TimeUnit unit)	Sets the time unit for the expression

Methods inherited from class dev.morphia.aggregation.expressions.impls.Expression

getOperation, getValue, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

CalculusExpression

public CalculusExpression(String operation,
                          Expression input)

Method Detail

encode

public void encode(Datastore datastore,
                   BsonWriter writer,
                   EncoderContext encoderContext)

Overrides:

encode in class Expression

Parameters:

datastore - the datastore

writer - the writer

encoderContext - the context

unit

public CalculusExpression unit(TimeUnit unit)

Sets the time unit for the expression

Parameters:

unit - the unit

Returns:

this