public static class VariableOperators.Let extends Object implements AggregationExpression
AggregationExpression
for $let
that binds AggregationExpression
to variables for use in the
specified in
expression, and returns the result of the expression.Modifier and Type | Class and Description |
---|---|
static class |
VariableOperators.Let.ExpressionVariable |
static interface |
VariableOperators.Let.LetBuilder |
Modifier and Type | Method and Description |
---|---|
static VariableOperators.Let.LetBuilder |
define(Collection<VariableOperators.Let.ExpressionVariable> variables)
Start creating new
VariableOperators.Let by defining the variables for $vars . |
static VariableOperators.Let.LetBuilder |
define(VariableOperators.Let.ExpressionVariable... variables)
Start creating new
VariableOperators.Let by defining the variables for $vars . |
org.bson.Document |
toDocument(AggregationOperationContext context)
|
public static VariableOperators.Let.LetBuilder define(Collection<VariableOperators.Let.ExpressionVariable> variables)
VariableOperators.Let
by defining the variables for $vars
.variables
- must not be null.public static VariableOperators.Let.LetBuilder define(VariableOperators.Let.ExpressionVariable... variables)
VariableOperators.Let
by defining the variables for $vars
.variables
- must not be null.public org.bson.Document toDocument(AggregationOperationContext context)
AggregationExpression
toDocument
in interface AggregationExpression
context
- must not be null.Document
) form of the expression.Copyright © 2011–2020 Pivotal Software, Inc.. All rights reserved.