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org.springframework.data.mongodb.core.aggregation
Class AccumulatorOperators
- java.lang.Object
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- org.springframework.data.mongodb.core.aggregation.AccumulatorOperators
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public class AccumulatorOperators extends Object
Gateway to accumulator aggregation operations.- Since:
- 1.10
- Author:
- Christoph Strobl
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Nested Class Summary
Nested Classes Modifier and Type Class and Description static classAccumulatorOperators.AccumulatorOperatorFactorystatic classAccumulatorOperators.AvgAggregationExpressionfor$avg.static classAccumulatorOperators.MaxAggregationExpressionfor$max.static classAccumulatorOperators.MinAggregationExpressionfor$min.static classAccumulatorOperators.StdDevPopAggregationExpressionfor$stdDevPop.static classAccumulatorOperators.StdDevSampAggregationExpressionfor$stdDevSamp.static classAccumulatorOperators.SumAggregationExpressionfor$sum.
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Constructor Summary
Constructors Constructor and Description AccumulatorOperators()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method and Description static AccumulatorOperators.AccumulatorOperatorFactoryvalueOf(AggregationExpression expression)Take the numeric value referenced resulting from givenAggregationExpression.static AccumulatorOperators.AccumulatorOperatorFactoryvalueOf(String fieldReference)Take the numeric value referenced by given fieldReference.
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Method Detail
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valueOf
public static AccumulatorOperators.AccumulatorOperatorFactory valueOf(String fieldReference)
Take the numeric value referenced by given fieldReference.- Parameters:
fieldReference- must not be null.- Returns:
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valueOf
public static AccumulatorOperators.AccumulatorOperatorFactory valueOf(AggregationExpression expression)
Take the numeric value referenced resulting from givenAggregationExpression.- Parameters:
expression- must not be null.- Returns:
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