org.springframework.data.mongodb.core.aggregation

Interface AggregationExpression

All Known Implementing Classes:

AccumulatorOperators.Avg, AccumulatorOperators.Max, AccumulatorOperators.Min, AccumulatorOperators.StdDevPop, AccumulatorOperators.StdDevSamp, AccumulatorOperators.Sum, AggregationSpELExpression, ArithmeticOperators.Abs, ArithmeticOperators.Add, ArithmeticOperators.Ceil, ArithmeticOperators.Divide, ArithmeticOperators.Exp, ArithmeticOperators.Floor, ArithmeticOperators.Ln, ArithmeticOperators.Log, ArithmeticOperators.Log10, ArithmeticOperators.Mod, ArithmeticOperators.Multiply, ArithmeticOperators.Pow, ArithmeticOperators.Sqrt, ArithmeticOperators.Subtract, ArithmeticOperators.Trunc, ArrayOperators.ArrayElemAt, ArrayOperators.ConcatArrays, ArrayOperators.Filter, ArrayOperators.In, ArrayOperators.IndexOfArray, ArrayOperators.IsArray, ArrayOperators.RangeOperator, ArrayOperators.Reduce, ArrayOperators.Reduce.PropertyExpression, ArrayOperators.ReverseArray, ArrayOperators.Size, ArrayOperators.Slice, ArrayOperators.Zip, BooleanOperators.And, BooleanOperators.Not, BooleanOperators.Or, BucketOperationSupport.OperationOutput, BucketOperationSupport.Output, BucketOperationSupport.Outputs, ComparisonOperators.Cmp, ComparisonOperators.Eq, ComparisonOperators.Gt, ComparisonOperators.Gte, ComparisonOperators.Lt, ComparisonOperators.Lte, ComparisonOperators.Ne, ConditionalOperators.Cond, ConditionalOperators.IfNull, ConditionalOperators.Switch, ConditionalOperators.Switch.CaseOperator, DataTypeOperators.Type, DateOperators.DateToString, DateOperators.DayOfMonth, DateOperators.DayOfWeek, DateOperators.DayOfYear, DateOperators.Hour, DateOperators.IsoDayOfWeek, DateOperators.IsoWeek, DateOperators.IsoWeekYear, DateOperators.Millisecond, DateOperators.Minute, DateOperators.Month, DateOperators.Second, DateOperators.Week, DateOperators.Year, LiteralOperators.Literal, SetOperators.AllElementsTrue, SetOperators.AnyElementTrue, SetOperators.SetDifference, SetOperators.SetEquals, SetOperators.SetIntersection, SetOperators.SetIsSubset, SetOperators.SetUnion, StringOperators.Concat, StringOperators.IndexOfBytes, StringOperators.IndexOfCP, StringOperators.Split, StringOperators.StrCaseCmp, StringOperators.StrLenBytes, StringOperators.StrLenCP, StringOperators.Substr, StringOperators.SubstrCP, StringOperators.ToLower, StringOperators.ToUpper, VariableOperators.Let, VariableOperators.Map

public interface AggregationExpression

An AggregationExpression can be used with field expressions in aggregation pipeline stages like project and group.

Author:

Thomas Darimont, Oliver Gierke, Christoph Strobl

Method Summary

Modifier and Type	Method and Description
com.mongodb.DBObject	toDbObject(AggregationOperationContext context) Turns the AggregationExpression into a DBObject within the given AggregationOperationContext.

Method Detail

toDbObject

com.mongodb.DBObject toDbObject(AggregationOperationContext context)

Turns the AggregationExpression into a DBObject within the given AggregationOperationContext.

Parameters:

context -

Returns: