org.springframework.data.mongodb.core.aggregation

Class VariableOperators.Map

java.lang.Object

org.springframework.data.mongodb.core.aggregation.VariableOperators.Map

All Implemented Interfaces:

AggregationExpression, MongoExpression

Enclosing class:

VariableOperators

public static class VariableOperators.Map
extends Object
implements AggregationExpression

AggregationExpression for $map.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	VariableOperators.Map.AsBuilder
static interface	VariableOperators.Map.FunctionBuilder

Method Summary

Modifier and Type	Method and Description
static VariableOperators.Map.AsBuilder	itemsOf(AggregationExpression source) Starts building new VariableOperators.Map that applies an AggregationExpression to each item of a referenced array and returns an array with the applied results.
static VariableOperators.Map.AsBuilder	itemsOf(String fieldReference) Starts building new VariableOperators.Map that applies an AggregationExpression to each item of a referenced array and returns an array with the applied results.
org.bson.Document	toDocument(AggregationOperationContext context) Turns the AggregationExpression into a Document within the given AggregationOperationContext.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.data.mongodb.core.aggregation.AggregationExpression

from, toDocument

Methods inherited from interface org.springframework.data.mongodb.MongoExpression

create, create

Method Detail

itemsOf

public static VariableOperators.Map.AsBuilder itemsOf(String fieldReference)

Starts building new VariableOperators.Map that applies an AggregationExpression to each item of a referenced array and returns an array with the applied results.

Parameters:

fieldReference - must not be null.

Returns:

itemsOf

public static VariableOperators.Map.AsBuilder itemsOf(AggregationExpression source)

Starts building new VariableOperators.Map that applies an AggregationExpression to each item of a referenced array and returns an array with the applied results.

Parameters:

source - must not be null.

Returns:

toDocument

public org.bson.Document toDocument(AggregationOperationContext context)

Description copied from interface: AggregationExpression

Turns the AggregationExpression into a Document within the given AggregationOperationContext.

Specified by:

toDocument in interface AggregationExpression

Parameters:

context - must not be null.

Returns:

the MongoDB native (Document) form of the expression.