Uses of Package
org.springframework.data.mongodb.core.aggregation

Packages that use org.springframework.data.mongodb.core.aggregation

Package	Description
org.springframework.data.mongodb.core	MongoDB core support.
org.springframework.data.mongodb.core.aggregation	Support for the MongoDB aggregation framework.
org.springframework.data.mongodb.core.messaging	MongoDB specific messaging support for listening to eg.
org.springframework.data.mongodb.repository.query	Query derivation mechanism for MongoDB specific repositories.
org.springframework.data.mongodb.util.aggregation

Classes in org.springframework.data.mongodb.core.aggregation used by org.springframework.data.mongodb.core

Class and Description
Aggregation An Aggregation is a representation of a list of aggregation steps to be performed by the MongoDB Aggregation Framework.
AggregationOperationContext The context for an AggregationOperation.
AggregationResults Collects the results of executing an aggregation operation.
TypedAggregation A TypedAggregation is a special Aggregation that holds information of the input aggregation type.

Classes in org.springframework.data.mongodb.core.aggregation used by org.springframework.data.mongodb.core.aggregation

Class and Description
AccumulatorOperators.AccumulatorOperatorFactory
AccumulatorOperators.Avg AggregationExpression for $avg.
AccumulatorOperators.CovariancePop AggregationExpression for $covariancePop.
AccumulatorOperators.CovarianceSamp AggregationExpression for $covarianceSamp.
AccumulatorOperators.ExpMovingAvg AccumulatorOperators.ExpMovingAvg calculates the exponential moving average of numeric values.
AccumulatorOperators.ExpMovingAvgBuilder Builder for AccumulatorOperators.ExpMovingAvg.
AccumulatorOperators.Max AggregationExpression for $max.
AccumulatorOperators.Min AggregationExpression for $min.
AccumulatorOperators.StdDevPop AggregationExpression for $stdDevPop.
AccumulatorOperators.StdDevSamp AggregationExpression for $stdDevSamp.
AccumulatorOperators.Sum AggregationExpression for $sum.
AddFieldsOperation Adds new fields to documents.
AddFieldsOperation.AddFieldsOperationBuilder
AddFieldsOperation.AddFieldsOperationBuilder.ValueAppender
Aggregation An Aggregation is a representation of a list of aggregation steps to be performed by the MongoDB Aggregation Framework.
AggregationExpression An AggregationExpression can be used with field expressions in aggregation pipeline stages like project and group.
AggregationFunctionExpressions Deprecated. since 1.10. Please use ArithmeticOperators and ComparisonOperators instead.
AggregationOperation Represents one single operation in an aggregation pipeline.
AggregationOperationContext The context for an AggregationOperation.
AggregationOptions Holds a set of configurable aggregation options that can be used within an aggregation pipeline.
AggregationOptions.Builder A Builder for AggregationOptions.
AggregationOptions.DomainTypeMapping Aggregation pipeline Domain type mappings supported by the mapping layer.
AggregationPipeline The AggregationPipeline holds the collection of aggregation stages.
AggregationSpELExpression An AggregationExpression that renders a MongoDB Aggregation Framework expression from the AST of a SpEL expression.
AggregationUpdate Abstraction for db.collection.update() using an aggregation pipeline.
AggregationUpdate.SetValueAppender Fluent API AggregationUpdate builder.
ArithmeticOperators.Abs AggregationExpression for $abs.
ArithmeticOperators.ACos An expression that calculates the inverse cosine of a value.
ArithmeticOperators.ACosh An expression that calculates the inverse hyperbolic cosine of a value.
ArithmeticOperators.Add AggregationExpression for $add.
ArithmeticOperators.AngularUnit The unit of measure for computations that operate upon angles.
ArithmeticOperators.ArithmeticOperatorFactory
ArithmeticOperators.ASin An expression that calculates the inverse sine of a value.
ArithmeticOperators.ASinh An expression that calculates the inverse hyperbolic sine of a value
ArithmeticOperators.ATan An expression that calculates the inverse tangent of a value.
ArithmeticOperators.ATan2 An expression that calculates the inverse tangent of y / x, where y and x are the first and second values passed to the expression respectively.
ArithmeticOperators.ATanh An expression that calculates the inverse hyperbolic tangent of a value
ArithmeticOperators.Ceil AggregationExpression for $ceil.
ArithmeticOperators.Cos An expression that calculates the cosine of a value that is measured in radians.
ArithmeticOperators.Cosh An expression that calculates the hyperbolic cosine of a value that is measured in ArithmeticOperators.AngularUnit.RADIANS.
ArithmeticOperators.Derivative Value object to represent an expression that calculates the average rate of change within the specified window.
ArithmeticOperators.Divide AggregationExpression for $divide.
ArithmeticOperators.Exp AggregationExpression for $exp.
ArithmeticOperators.Floor AggregationExpression for $floor.
ArithmeticOperators.Integral Value object to represent an expression that calculates the approximation for the mathematical integral value.
ArithmeticOperators.Ln AggregationExpression for $ln.
ArithmeticOperators.Log AggregationExpression for $log.
ArithmeticOperators.Log10 AggregationExpression for $log10.
ArithmeticOperators.Mod AggregationExpression for $mod.
ArithmeticOperators.Multiply AggregationExpression for $multiply.
ArithmeticOperators.Pow AggregationExpression for $pow.
ArithmeticOperators.Rand ArithmeticOperators.Rand returns a floating value between 0 and 1.
ArithmeticOperators.Round ArithmeticOperators.Round rounds a number to a whole integer or to a specified decimal place.
ArithmeticOperators.Sin An expression that calculates the sine of a value that is measured in radians.
ArithmeticOperators.Sinh An expression that calculates the hyperbolic sine of a value that is measured in ArithmeticOperators.AngularUnit.RADIANS.
ArithmeticOperators.Sqrt AggregationExpression for $sqrt.
ArithmeticOperators.Subtract AggregationExpression for $subtract.
ArithmeticOperators.Tan An expression that calculates the tangent of a value that is measured in radians.
ArithmeticOperators.Tanh An expression that calculates the hyperbolic tangent of a value that is measured in ArithmeticOperators.AngularUnit.RADIANS.
ArithmeticOperators.Trunc AggregationExpression for $trunc.
ArrayOperators.ArrayElemAt AggregationExpression for $arrayElementAt.
ArrayOperators.ArrayOperatorFactory
ArrayOperators.ArrayOperatorFactory.ReduceInitialValueBuilder
ArrayOperators.ArrayToObject AggregationExpression for $arrayToObject that transforms an array into a single document.
ArrayOperators.ConcatArrays AggregationExpression for $concatArrays.
ArrayOperators.Filter $filter AggregationExpression allows to select a subset of the array to return based on the specified condition.
ArrayOperators.Filter.AsBuilder
ArrayOperators.Filter.ConditionBuilder
ArrayOperators.First AggregationExpression for $first that returns the first element in an array.
ArrayOperators.In AggregationExpression for $in.
ArrayOperators.In.InBuilder
ArrayOperators.IndexOfArray AggregationExpression for $indexOfArray.
ArrayOperators.IndexOfArray.IndexOfArrayBuilder
ArrayOperators.IsArray AggregationExpression for $isArray.
ArrayOperators.Last AggregationExpression for $last that returns the last element in an array.
ArrayOperators.RangeOperator AggregationExpression for $range.
ArrayOperators.RangeOperator.RangeOperatorBuilder
ArrayOperators.Reduce AggregationExpression for $reduce.
ArrayOperators.Reduce.InitialValueBuilder
ArrayOperators.Reduce.PropertyExpression
ArrayOperators.Reduce.PropertyExpression.AsBuilder
ArrayOperators.Reduce.ReduceBuilder
ArrayOperators.Reduce.Variable
ArrayOperators.ReverseArray AggregationExpression for $reverseArray.
ArrayOperators.Size AggregationExpression for $size.
ArrayOperators.Slice AggregationExpression for $slice.
ArrayOperators.Slice.SliceElementsBuilder
ArrayOperators.Zip AggregationExpression for $zip.
ArrayOperators.Zip.ZipBuilder
BooleanOperators.And AggregationExpression for $and.
BooleanOperators.BooleanOperatorFactory
BooleanOperators.Not AggregationExpression for $not.
BooleanOperators.Or AggregationExpression for $or.
BucketAutoOperation Encapsulates the aggregation framework $bucketAuto-operation.
BucketAutoOperation.BucketAutoOperationOutputBuilder BucketOperationSupport.OutputBuilder implementation for BucketAutoOperation.
BucketAutoOperation.ExpressionBucketAutoOperationBuilder ExpressionBucketOperationBuilderSupport implementation for BucketAutoOperation using SpEL expression based Output.
BucketAutoOperation.Granularities Supported MongoDB granularities.
BucketAutoOperation.Granularity
BucketOperation Encapsulates the aggregation framework $bucket-operation.
BucketOperation.BucketOperationOutputBuilder OutputBuilder implementation for BucketOperation.
BucketOperation.ExpressionBucketOperationBuilder ExpressionBucketOperationBuilderSupport implementation for BucketOperation using SpEL expression based Output.
BucketOperationSupport Base class for bucket operations that support output expressions the aggregation framework.
BucketOperationSupport.ExpressionBucketOperationBuilderSupport Builder for SpEL expression-based BucketOperationSupport.Output.
BucketOperationSupport.OperationOutput Output field that uses a Mongo operation (expression object) to generate an output field value.
BucketOperationSupport.Output Encapsulates an output field in a bucket aggregation stage.
BucketOperationSupport.OutputBuilder Base class for BucketOperationSupport.Output builders that result in a BucketOperationSupport providing the built BucketOperationSupport.Output.
BucketOperationSupport.Outputs Encapsulates BucketOperationSupport.Outputs.
ComparisonOperators.Cmp AggregationExpression for $cmp.
ComparisonOperators.ComparisonOperatorFactory
ComparisonOperators.Eq AggregationExpression for $eq.
ComparisonOperators.Gt AggregationExpression for $gt.
ComparisonOperators.Gte AggregationExpression for $gte.
ComparisonOperators.Lt AggregationExpression for $lt.
ComparisonOperators.Lte AggregationExpression for $lte.
ComparisonOperators.Ne AggregationExpression for $ne.
ConditionalOperators.Cond Encapsulates the aggregation framework $cond operator.
ConditionalOperators.Cond.OtherwiseBuilder
ConditionalOperators.Cond.ThenBuilder
ConditionalOperators.Cond.WhenBuilder
ConditionalOperators.ConditionalOperatorFactory
ConditionalOperators.IfNull Encapsulates the aggregation framework $ifNull operator.
ConditionalOperators.IfNull.OrBuilder
ConditionalOperators.IfNull.ThenBuilder
ConditionalOperators.Switch AggregationExpression for $switch.
ConditionalOperators.Switch.CaseOperator Encapsulates the aggregation framework case document inside a $switch-operation.
ConditionalOperators.Switch.CaseOperator.ThenBuilder
ConvertOperators.Convert AggregationExpression for $convert that converts a value to a specified type.
ConvertOperators.ConvertOperatorFactory
ConvertOperators.DegreesToRadians AggregationExpression for $degreesToRadians that converts an input value measured in degrees to radians.
ConvertOperators.ToBool AggregationExpression for $toBool that converts a value to boolean.
ConvertOperators.ToDate AggregationExpression for $toDate that converts a value to date.
ConvertOperators.ToDecimal AggregationExpression for $toDecimal that converts a value to decimal.
ConvertOperators.ToDouble AggregationExpression for $toDouble that converts a value to double.
ConvertOperators.ToInt AggregationExpression for $toInt that converts a value to integer.
ConvertOperators.ToLong AggregationExpression for $toLong that converts a value to long.
ConvertOperators.ToObjectId AggregationExpression for $toObjectId that converts a value to objectId.
ConvertOperators.ToString AggregationExpression for $toString that converts a value to string.
CountOperation Encapsulates the aggregation framework $count-operation.
CountOperation.CountOperationBuilder Builder for CountOperation.
DataTypeOperators.Type AggregationExpression for $type.
DateOperators.DateAdd AggregationExpression for $dateAdd.
DateOperators.DateDiff AggregationExpression for $dateDiff.
DateOperators.DateFromParts AggregationExpression for $dateFromParts.
DateOperators.DateFromParts.DateFromPartsWithYear
DateOperators.DateFromPartsOperatorFactory
DateOperators.DateFromString AggregationExpression for $dateFromString.
DateOperators.DateOperatorFactory
DateOperators.DateParts
DateOperators.DateToParts AggregationExpression for $dateToParts.
DateOperators.DateToString AggregationExpression for $dateToString.
DateOperators.DateToString.FormatBuilder
DateOperators.DayOfMonth AggregationExpression for $dayOfMonth.
DateOperators.DayOfWeek AggregationExpression for $dayOfWeek.
DateOperators.DayOfYear AggregationExpression for $dayOfYear.
DateOperators.Hour AggregationExpression for $hour.
DateOperators.IsoDateFromParts AggregationExpression for $dateFromParts using ISO week date.
DateOperators.IsoDateFromParts.IsoDateFromPartsWithYear
DateOperators.IsoDayOfWeek AggregationExpression for $isoDayOfWeek.
DateOperators.IsoWeek AggregationExpression for $isoWeek.
DateOperators.IsoWeekYear AggregationExpression for $isoWeekYear.
DateOperators.Millisecond AggregationExpression for $millisecond.
DateOperators.Minute AggregationExpression for $minute.
DateOperators.Month AggregationExpression for $month.
DateOperators.Second AggregationExpression for $second.
DateOperators.TemporalUnit Interface defining a temporal unit for date operators.
DateOperators.Timezone Timezone represents a MongoDB timezone abstraction which can be represented with a timezone ID or offset as a String.
DateOperators.TimezonedDateAggregationExpression AggregationExpression capable of setting a given DateOperators.Timezone.
DateOperators.Week AggregationExpression for $week.
DateOperators.Year AggregationExpression for $year.
DocumentOperators.DenseRank DocumentOperators.DenseRank resolves the current document position (the rank) relative to other documents.
DocumentOperators.DocumentNumber DocumentOperators.DocumentNumber resolves the current document position.
DocumentOperators.DocumentOperatorsFactory
DocumentOperators.Rank DocumentOperators.Rank resolves the current document position (the rank) relative to other documents.
DocumentOperators.Shift Shift applies an expression to a document in a specified position relative to the current document.
EvaluationOperators.EvaluationOperatorFactory
EvaluationOperators.EvaluationOperatorFactory.Expr Allows the use of aggregation expressions within the query language.
ExposedFields Value object to capture the fields exposed by an AggregationOperation.
ExposedFields.FieldReference A reference to an ExposedFields.ExposedField.
FacetOperation Encapsulates the aggregation framework $facet-operation.
FacetOperation.FacetOperationBuilder Builder for FacetOperation by adding existing and the new pipeline of AggregationOperation to the new FacetOperation.
Field Abstraction for a field.
Fields Value object to capture a list of Field instances.
FieldsExposingAggregationOperation AggregationOperation that exposes ExposedFields that can be used for later aggregation pipeline AggregationOperations.
FieldsExposingAggregationOperation.InheritsFieldsAggregationOperation Marker interface for AggregationOperation that inherits fields from previous operations.
GeoNearOperation Represents a geoNear aggregation operation.
GraphLookupOperation Encapsulates the aggregation framework $graphLookup-operation.
GraphLookupOperation.ConnectFromBuilder
GraphLookupOperation.ConnectToBuilder
GraphLookupOperation.FromBuilder
GraphLookupOperation.GraphLookupOperationBuilder
GraphLookupOperation.StartWithBuilder
GroupOperation Encapsulates the aggregation framework $group-operation.
GroupOperation.GroupOperationBuilder Builder for GroupOperations on a field.
LimitOperation Encapsulates the $limit-operation.
LiteralOperators.Literal AggregationExpression for $literal.
LiteralOperators.LiteralOperatorFactory
LookupOperation Encapsulates the aggregation framework $lookup-operation.
LookupOperation.AsBuilder
LookupOperation.ForeignFieldBuilder
LookupOperation.FromBuilder
LookupOperation.LocalFieldBuilder
MatchOperation Encapsulates the $match-operation.
MergeOperation Encapsulates the $merge-operation.
MergeOperation.MergeOperationBuilder Builder API to construct a MergeOperation.
MergeOperation.MergeOperationTarget Value Object representing the into field of a $merge aggregation stage.
MergeOperation.UniqueMergeId Value object representing the unique id used during the merge operation to identify duplicates in the target collection.
MergeOperation.WhenDocumentsDontMatch Value Object specifying how to deal with a result document that do not match an existing document in the collection based on the fields of the on property describing the unique identifier.
MergeOperation.WhenDocumentsMatch Value Object specifying how to deal with a result document that matches an existing document in the collection based on the fields of the on property describing the unique identifier.
ObjectOperators.MergeObjects AggregationExpression for $mergeObjects that combines multiple documents into a single document.
ObjectOperators.ObjectOperatorFactory
ObjectOperators.ObjectToArray AggregationExpression for $objectToArray that converts a document to an array of documents that each contains two fields k and v.
OutOperation Encapsulates the $out-operation.
OutOperation.OutMode The mode for merging the aggregation pipeline output.
ProjectionOperation Encapsulates the aggregation framework $project-operation.
ProjectionOperation.ArrayProjectionOperationBuilder Builder for array projections.
ProjectionOperation.ExpressionProjectionOperationBuilder An ProjectionOperation.ProjectionOperationBuilder that is used for SpEL expression based projections.
ProjectionOperation.ProjectionOperationBuilder Builder for ProjectionOperations on a field.
RedactOperation RedactOperation allows to restrict the content of a Document based on information stored within itself.
RedactOperation.RedactOperationBuilder Builder to create new instance of RedactOperation.
ReplaceRootOperation Encapsulates the aggregation framework $replaceRoot-operation.
ReplaceRootOperation.Replacement Replacement object that results in a replacement document or an expression that results in a document.
ReplaceRootOperation.ReplaceRootDocumentOperation Encapsulates the aggregation framework $replaceRoot-operation to result in a composable replacement document.
ReplaceRootOperation.ReplaceRootDocumentOperationBuilder Builder for ReplaceRootOperation.ReplaceRootDocumentOperation to populate ReplacementDocument
ReplaceRootOperation.ReplaceRootOperationBuilder Builder for ReplaceRootOperation.
ReplaceWithOperation Encapsulates the aggregation framework $replaceRoot-operation.
SampleOperation Encapsulates the $sample-operation.
ScriptOperators.Accumulator ScriptOperators.Accumulator defines a custom aggregation $accumulator operator, one that maintains its state (e.g. totals, maximums, minimums, and related data) as documents progress through the pipeline, in JavaScript.
ScriptOperators.Accumulator.AccumulatorAccumulateArgsBuilder
ScriptOperators.Accumulator.AccumulatorAccumulateBuilder
ScriptOperators.Accumulator.AccumulatorFinalizeBuilder
ScriptOperators.Accumulator.AccumulatorInitArgsBuilder
ScriptOperators.Accumulator.AccumulatorInitBuilder
ScriptOperators.Accumulator.AccumulatorMergeBuilder
ScriptOperators.Function ScriptOperators.Function defines a custom aggregation $function in JavaScript.
SetOperation Adds new fields to documents.
SetOperation.FieldAppender
SetOperation.FieldAppender.ValueAppender
SetOperators.AllElementsTrue AggregationExpression for $allElementsTrue.
SetOperators.AnyElementTrue AggregationExpression for $anyElementTrue.
SetOperators.SetDifference AggregationExpression for $setDifference.
SetOperators.SetEquals AggregationExpression for $setEquals.
SetOperators.SetIntersection AggregationExpression for $setIntersection.
SetOperators.SetIsSubset AggregationExpression for $setIsSubset.
SetOperators.SetOperatorFactory
SetOperators.SetUnion AggregationExpression for $setUnion.
SetWindowFieldsOperation Encapsulates the setWindowFields-operation.
SetWindowFieldsOperation.ComputedField A Field that the result of a computation done via an AggregationExpression.
SetWindowFieldsOperation.DocumentWindow SetWindowFieldsOperation.Window implementation based on the current document.
SetWindowFieldsOperation.DocumentWindowBuilder Builder API for a SetWindowFieldsOperation.RangeWindow.
SetWindowFieldsOperation.RangeWindow SetWindowFieldsOperation.Window implementation based on the sort fields.
SetWindowFieldsOperation.RangeWindowBuilder Builder API for a SetWindowFieldsOperation.RangeWindow.
SetWindowFieldsOperation.SetWindowFieldsOperationBuilder A fluent builder to create a SetWindowFieldsOperation.
SetWindowFieldsOperation.SetWindowFieldsOperationBuilder.As Interface to capture field name used to capture the computation result.
SetWindowFieldsOperation.SetWindowFieldsOperationBuilder.WindowChoice Interface to capture an optional SetWindowFieldsOperation.Window applicable to the field computation.
SetWindowFieldsOperation.Window A SetWindowFieldsOperation.Window to be used for ComputedField.
SetWindowFieldsOperation.WindowOutput SetWindowFieldsOperation.WindowOutput defines output of $setWindowFields stage by defining the field(s) to append to the documents in the output.
SetWindowFieldsOperation.WindowUnit The actual time unit to apply to a SetWindowFieldsOperation.Window.
SetWindowFieldsOperation.WindowUnits Quick access to available units.
SkipOperation Encapsulates the aggregation framework $skip-operation.
SortByCountOperation Encapsulates the aggregation framework $sortByCount-operation.
SortOperation Encapsulates the aggregation framework $sort-operation.
StringOperators.Concat AggregationExpression for $concat.
StringOperators.IndexOfBytes AggregationExpression for $indexOfBytes.
StringOperators.IndexOfBytes.SubstringBuilder
StringOperators.IndexOfCP AggregationExpression for $indexOfCP.
StringOperators.IndexOfCP.SubstringBuilder
StringOperators.LTrim AggregationExpression for $ltrim which removes whitespace or the specified characters from the beginning of a string.
StringOperators.RegexFind AggregationExpression for $regexFind which applies a regular expression (regex) to a string and returns information on the first matched substring.
StringOperators.RegexFindAll AggregationExpression for $regexFindAll which applies a regular expression (regex) to a string and returns information on all the matched substrings.
StringOperators.RegexMatch AggregationExpression for $regexMatch which applies a regular expression (regex) to a string and returns a boolean that indicates if a match is found or not.
StringOperators.ReplaceAll AggregationExpression for $replaceAll which replaces all instances of a search string in an input string with a replacement string.
StringOperators.ReplaceOne AggregationExpression for $replaceOne which replaces the first instance of a search string in an input string with a replacement string.
StringOperators.RTrim AggregationExpression for $rtrim which removes whitespace or the specified characters from the end of a string.
StringOperators.Split AggregationExpression for $split.
StringOperators.StrCaseCmp AggregationExpression for $strcasecmp.
StringOperators.StringOperatorFactory
StringOperators.StrLenBytes AggregationExpression for $strLenBytes.
StringOperators.StrLenCP AggregationExpression for $strLenCP.
StringOperators.Substr AggregationExpression for $substr.
StringOperators.SubstrCP AggregationExpression for $substrCP.
StringOperators.ToLower AggregationExpression for $toLower.
StringOperators.ToUpper AggregationExpression for $toUpper.
StringOperators.Trim AggregationExpression for $trim which removes whitespace or the specified characters from the beginning and end of a string.
TypeBasedAggregationOperationContext AggregationOperationContext aware of a particular type and a MappingContext to potentially translate property references into document field names.
TypedAggregation A TypedAggregation is a special Aggregation that holds information of the input aggregation type.
UnionWithOperation The $unionWith aggregation stage (available since MongoDB 4.4) performs a union of two collections by combining pipeline results, potentially containing duplicates, into a single result set that is handed over to the next stage.
UnsetOperation Removes fields from documents.
UnwindOperation Encapsulates the aggregation framework $unwind-operation.
UnwindOperation.EmptyArraysBuilder
UnwindOperation.IndexBuilder
UnwindOperation.PathBuilder
UnwindOperation.UnwindOperationBuilder Builder for fluent UnwindOperation creation.
VariableOperators.Let AggregationExpression for $let that binds AggregationExpression to variables for use in the specified in expression, and returns the result of the expression.
VariableOperators.Let.ExpressionVariable
VariableOperators.Let.LetBuilder
VariableOperators.Map AggregationExpression for $map.
VariableOperators.Map.AsBuilder
VariableOperators.Map.FunctionBuilder

Classes in org.springframework.data.mongodb.core.aggregation used by org.springframework.data.mongodb.core.messaging

Class and Description
Aggregation An Aggregation is a representation of a list of aggregation steps to be performed by the MongoDB Aggregation Framework.

Classes in org.springframework.data.mongodb.core.aggregation used by org.springframework.data.mongodb.repository.query

Class and Description
AggregationOperation Represents one single operation in an aggregation pipeline.

Classes in org.springframework.data.mongodb.core.aggregation used by org.springframework.data.mongodb.util.aggregation

Class and Description
AggregationOperationContext The context for an AggregationOperation.
ExposedFields.FieldReference A reference to an ExposedFields.ExposedField.
Field Abstraction for a field.