Class EvaluationOperators
java.lang.Object
org.springframework.data.mongodb.core.aggregation.EvaluationOperators
Gateway to evaluation operators such as $expr.
- Since:
- 3.3
- Author:
- Divya Srivastava, Christoph Strobl
-
Nested Class Summary
Modifier and TypeClassDescriptionstatic class
static class
Allows the use of aggregation expressions within the query language.static class
Sets null and missing values to the last non-null value. -
Constructor Summary
-
Method Summary
Modifier and TypeMethodDescriptionTake the value resulting from the given fieldReference.valueOf
(AggregationExpression expression) Take the value resulting from the givenAggregationExpression
.
-
Constructor Details
-
EvaluationOperators
public EvaluationOperators()
-
-
Method Details
-
valueOf
Take the value resulting from the given fieldReference.- Parameters:
fieldReference
- must not be null.- Returns:
- new instance of
EvaluationOperators.EvaluationOperatorFactory
.
-
valueOf
public static EvaluationOperators.EvaluationOperatorFactory valueOf(AggregationExpression expression) Take the value resulting from the givenAggregationExpression
.- Parameters:
expression
- must not be null.- Returns:
- new instance of
EvaluationOperators.EvaluationOperatorFactory
.
-