Package dev.morphia.aggregation.expressions

Class VariableExpressions

java.lang.Object

dev.morphia.aggregation.expressions.VariableExpressions

public final class VariableExpressions
extends Object

Defines helper methods for the variable expressions

Since:

2.0

Method Summary

Modifier and Type	Method	Description
static LetExpression	let(Expression in)	Binds variables for use in the specified expression, and returns the result of the expression.

Methods inherited from class java.lang.Object

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

Method Details

let

public static LetExpression let(Expression in)

Binds variables for use in the specified expression, and returns the result of the expression.

Parameters:

in - the expression to evaluate. variables can be defined using the LetExpression.variable(String, Expression) method

Returns:

the new expression

MongoDB documentation

Aggregration Expression: $let