org.springframework.data.mongodb.core.aggregation

Class ObjectOperators

java.lang.Object

org.springframework.data.mongodb.core.aggregation.ObjectOperators

public class ObjectOperators
extends Object

Gateway for object expression operators.

Since:

2.1

Author:

Christoph Strobl

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ObjectOperators.MergeObjects AggregationExpression for $mergeObjects that combines multiple documents into a single document.
static class	ObjectOperators.ObjectOperatorFactory
static class	ObjectOperators.ObjectToArray AggregationExpression for $objectToArray that converts a document to an array of documents that each contains two fields k and v.

Constructor Summary

Constructors

Constructor and Description
ObjectOperators()

Method Summary

Modifier and Type	Method and Description
static ObjectOperators.ObjectOperatorFactory	valueOf(AggregationExpression expression) Take the value provided by the given AggregationExpression.
static ObjectOperators.ObjectOperatorFactory	valueOf(String fieldReference) Take the value referenced by given fieldReference.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectOperators

public ObjectOperators()

Method Detail

valueOf

public static ObjectOperators.ObjectOperatorFactory valueOf(String fieldReference)

Take the value referenced by given fieldReference.

Parameters:

fieldReference - must not be null.

Returns:

new instance of ObjectOperators.ObjectOperatorFactory.

valueOf

public static ObjectOperators.ObjectOperatorFactory valueOf(AggregationExpression expression)

Take the value provided by the given AggregationExpression.

Parameters:

expression - must not be null.

Returns:

new instance of ObjectOperators.ObjectOperatorFactory.