public class AccumulatorOperators extends Object
Modifier and Type | Class and Description |
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static class |
AccumulatorOperators.AccumulatorOperatorFactory |
static class |
AccumulatorOperators.Avg
AggregationExpression for $avg . |
static class |
AccumulatorOperators.Max
AggregationExpression for $max . |
static class |
AccumulatorOperators.Min
AggregationExpression for $min . |
static class |
AccumulatorOperators.StdDevPop
AggregationExpression for $stdDevPop . |
static class |
AccumulatorOperators.StdDevSamp
AggregationExpression for $stdDevSamp . |
static class |
AccumulatorOperators.Sum
AggregationExpression for $sum . |
Constructor and Description |
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AccumulatorOperators() |
Modifier and Type | Method and Description |
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static AccumulatorOperators.AccumulatorOperatorFactory |
valueOf(AggregationExpression expression)
Take the numeric value referenced resulting from given
AggregationExpression . |
static AccumulatorOperators.AccumulatorOperatorFactory |
valueOf(String fieldReference)
Take the numeric value referenced by given fieldReference.
|
public static AccumulatorOperators.AccumulatorOperatorFactory valueOf(String fieldReference)
fieldReference
- must not be null.public static AccumulatorOperators.AccumulatorOperatorFactory valueOf(AggregationExpression expression)
AggregationExpression
.expression
- must not be null.Copyright © 2011–2018 Pivotal Software, Inc.. All rights reserved.