public static class AccumulatorOperators.StdDevPop extends Object
AggregationExpression for $stdDevPop.protected String getMongoMethod()
public static AccumulatorOperators.StdDevPop stdDevPopOf(String fieldReference)
AccumulatorOperators.StdDevPop.fieldReference - must not be null.public static AccumulatorOperators.StdDevPop stdDevPopOf(AggregationExpression expression)
AccumulatorOperators.StdDevPop with all previously added arguments appending the given one.expression - must not be null.public AccumulatorOperators.StdDevPop and(String fieldReference)
AccumulatorOperators.StdDevPop with all previously added arguments appending the given one. $project stage.fieldReference - must not be null.public AccumulatorOperators.StdDevPop and(AggregationExpression expression)
AccumulatorOperators.StdDevSamp with all previously added arguments appending the given one. $project stage.expression - must not be null.public com.mongodb.DBObject toDbObject(Object value, AggregationOperationContext context)
public com.mongodb.DBObject toDbObject(AggregationOperationContext context)
AggregationExpressiontoDbObject in interface AggregationExpressionCopyright © 2011–2018 Pivotal Software, Inc.. All rights reserved.