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org.springframework.data.mongodb.core.aggregation
Class ObjectOperators
- java.lang.Object
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- org.springframework.data.mongodb.core.aggregation.ObjectOperators
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public class ObjectOperators extends Object
Gateway for object expression operators.- Since:
- 2.1
- Author:
- Christoph Strobl
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Nested Class Summary
Nested Classes Modifier and Type Class and Description static classObjectOperators.MergeObjectsAggregationExpressionfor$mergeObjectsthat combines multiple documents into a single document.static classObjectOperators.ObjectOperatorFactorystatic classObjectOperators.ObjectToArrayAggregationExpressionfor$objectToArraythat converts a document to an array ofdocumentsthat each contains two fields k and v.
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Constructor Summary
Constructors Constructor and Description ObjectOperators()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method and Description static ObjectOperators.ObjectOperatorFactoryvalueOf(AggregationExpression expression)Take the value provided by the givenAggregationExpression.static ObjectOperators.ObjectOperatorFactoryvalueOf(String fieldReference)Take the value referenced by given fieldReference.
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Method Detail
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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.
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valueOf
public static ObjectOperators.ObjectOperatorFactory valueOf(AggregationExpression expression)
Take the value provided by the givenAggregationExpression.- Parameters:
expression- must not be null.- Returns:
- new instance of
ObjectOperators.ObjectOperatorFactory.
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