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reactivemongo.api.commands.bson

BSONAggregationFramework

Related Doc: package bson

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object BSONAggregationFramework extends AggregationFramework[BSONSerializationPack.type]

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  1. BSONAggregationFramework
  2. AggregationFramework
  3. ImplicitCommandHelpers
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Type Members

  1. case class AddToSet(field: String) extends GroupFunction with Product with Serializable

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    Definition Classes
    AggregationFramework
  2. case class Aggregate(pipeline: Seq[PipelineOperator], explain: Boolean = false, allowDiskUse: Boolean, cursor: Option[Cursor], wireVersion: MongoWireVersion, bypassDocumentValidation: Boolean, readConcern: Option[ReadConcern]) extends CollectionCommand with CommandWithPack[pack.type] with CommandWithResult[AggregationResult] with Product with Serializable

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    pipeline

    the sequence of MongoDB aggregation operations

    explain

    specifies to return the information on the processing of the pipeline

    allowDiskUse

    enables writing to temporary files

    cursor

    the cursor object for aggregation

    bypassDocumentValidation

    available only if you specify the $out aggregation operator

    readConcern

    the read concern (since MongoDB 3.2)

    Definition Classes
    AggregationFramework
  3. case class AggregationResult(firstBatch: List[P.Document], cursor: Option[ResultCursor] = None) extends Product with Serializable

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    firstBatch

    the documents of the first batch

    cursor

    the cursor from the result, if any

    Definition Classes
    AggregationFramework
    See also

    Cursor

  4. case class Ascending(field: String) extends SortOrder with Product with Serializable

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    Ascending sort order

    Ascending sort order

    Definition Classes
    AggregationFramework
  5. case class Avg(field: String) extends GroupFunction with Product with Serializable

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    Definition Classes
    AggregationFramework
  6. case class Cursor(batchSize: Int) extends Product with Serializable

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    batchSize

    the initial batch size for the cursor

    Definition Classes
    AggregationFramework
  7. case class Descending(field: String) extends SortOrder with Product with Serializable

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    Descending sort order

    Descending sort order

    Definition Classes
    AggregationFramework
  8. case class First(field: String) extends GroupFunction with Product with Serializable

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    Definition Classes
    AggregationFramework
  9. case class GeoNear(spherical: Boolean = false, limit: Long = 100, maxDistance: Option[Long] = None, selector: Option[P.Document] = None, distanceMultiplier: Option[Double] = None, uniqueDocs: Boolean = false, near: Option[P.Value] = None, distanceField: Option[String] = None, includeLocs: Option[String] = None) extends PipelineOperator with Product with Serializable

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    Outputs documents in order of nearest to farthest from a specified point.

    Outputs documents in order of nearest to farthest from a specified point. http://docs.mongodb.org/manual/reference/operator/aggregation/geoNear/#pipe._S_geoNear

    spherical

    if using a 2dsphere index

    limit

    the maximum number of documents to return

    maxDistance

    the maximum distance from the center point that the documents can be

    selector

    limits the results to the matching documents

    distanceMultiplier

    the factor to multiply all distances returned by the query

    uniqueDocs

    if this value is true, the query returns a matching document once

    near

    the point for which to find the closest documents

    distanceField

    the output field that contains the calculated distance

    includeLocs

    this specifies the output field that identifies the location used to calculate the distance

    Definition Classes
    AggregationFramework
  10. case class Group(identifiers: P.Value)(ops: (String, GroupFunction)*) extends PipelineOperator with Product with Serializable

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    Groups documents together to calulate aggregates on document collections.

    Groups documents together to calulate aggregates on document collections. This command aggregates on arbitrary identifiers. Document fields identifier must be prefixed with $. http://docs.mongodb.org/manual/reference/aggregation/group/#_S_group

    identifiers

    any BSON value acceptable by mongodb as identifier

    ops

    the sequence of operators specifying aggregate calculation

    Definition Classes
    AggregationFramework
  11. case class GroupField(idField: String)(ops: (String, GroupFunction)*) extends PipelineOperator with Product with Serializable

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    Groups documents together to calulate aggregates on document collections.

    Groups documents together to calulate aggregates on document collections. This command aggregates on one field. http://docs.mongodb.org/manual/reference/aggregation/group/#_S_group

    idField

    the name of the field to aggregate on

    ops

    the sequence of operators specifying aggregate calculation

    Definition Classes
    AggregationFramework
  12. sealed trait GroupFunction extends AnyRef

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    Represents one of the group operators for the "Group" Operation.

    Represents one of the group operators for the "Group" Operation. This class is sealed as these are defined in the MongoDB spec, and clients should not need to customise these.

    Definition Classes
    AggregationFramework
  13. case class GroupMulti(idFields: (String, String)*)(ops: (String, GroupFunction)*) extends PipelineOperator with Product with Serializable

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    Groups documents together to calulate aggregates on document collections.

    Groups documents together to calulate aggregates on document collections. This command aggregates on multiple fields, and they must be named. http://docs.mongodb.org/manual/reference/aggregation/group/#_S_group

    idFields

    The fields to aggregate on, and the names they should be aggregated under.

    ops

    the sequence of operators specifying aggregate calculation

    Definition Classes
    AggregationFramework
  14. trait ImplicitlyDocumentProducer extends AnyRef

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    Definition Classes
    ImplicitCommandHelpers
  15. case class Last(field: String) extends GroupFunction with Product with Serializable

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    Definition Classes
    AggregationFramework
  16. case class Limit(limit: Int) extends PipelineOperator with Product with Serializable

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    Limits the number of documents that pass through the stream.

    Limits the number of documents that pass through the stream. http://docs.mongodb.org/manual/reference/aggregation/limit/#_S_limit

    limit

    the number of documents to allow through

    Definition Classes
    AggregationFramework
  17. case class Match(predicate: P.Document) extends PipelineOperator with Product with Serializable

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    Filters out documents from the stream that do not match the predicate.

    Filters out documents from the stream that do not match the predicate. http://docs.mongodb.org/manual/reference/aggregation/match/#_S_match

    predicate

    the query that documents must satisfy to be in the stream

    Definition Classes
    AggregationFramework
  18. case class Max(field: String) extends GroupFunction with Product with Serializable

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    Definition Classes
    AggregationFramework
  19. sealed trait MetadataKeyword extends AnyRef

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    Keyword of metadata.

  20. case class MetadataSort(field: String, keyword: MetadataKeyword) extends SortOrder with Product with Serializable

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    Metadata sort order.

    keyword

    the metadata keyword to sort by

    Definition Classes
    AggregationFramework
  21. case class Min(field: String) extends GroupFunction with Product with Serializable

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    Definition Classes
    AggregationFramework
  22. case class Out(collection: String) extends PipelineOperator with Product with Serializable

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    Takes the documents returned by the aggregation pipeline and writes them to a specified collection http://docs.mongodb.org/manual/reference/operator/aggregation/out/#pipe._S_out

    Takes the documents returned by the aggregation pipeline and writes them to a specified collection http://docs.mongodb.org/manual/reference/operator/aggregation/out/#pipe._S_out

    collection

    the name of the output collection

    Definition Classes
    AggregationFramework
  23. sealed trait PipelineOperator extends AnyRef

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    One of MongoDBs pipeline operators for aggregation.

    One of MongoDBs pipeline operators for aggregation. Sealed as these are defined in the MongoDB specifications, and clients should not have custom operators.

    Definition Classes
    AggregationFramework
  24. case class Project(specifications: P.Document) extends PipelineOperator with Product with Serializable

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    Reshapes a document stream by renaming, adding, or removing fields.

    Reshapes a document stream by renaming, adding, or removing fields. Also uses Project to create computed values or sub-objects.

    specifications

    The fields to include. The resulting objects will contain only these fields.

    Definition Classes
    AggregationFramework
  25. case class Push(field: String) extends GroupFunction with Product with Serializable

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    Definition Classes
    AggregationFramework
  26. case class PushMulti(fields: (String, String)*) extends GroupFunction with Product with Serializable

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    Definition Classes
    AggregationFramework
  27. case class Redact(expression: P.Document) extends PipelineOperator with Product with Serializable

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    Restricts the contents of the documents based on information stored in the documents themselves.

    Restricts the contents of the documents based on information stored in the documents themselves. http://docs.mongodb.org/manual/reference/operator/aggregation/redact/#pipe._S_redact Redact

    expression

    the redact expression

    Definition Classes
    AggregationFramework
  28. case class Sample(size: Int) extends PipelineOperator with Product with Serializable

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    Randomly selects the specified number of documents from its input.

    Randomly selects the specified number of documents from its input. https://docs.mongodb.org/master/reference/operator/aggregation/sample/

    size

    the number of documents to return

    Definition Classes
    AggregationFramework
  29. case class Skip(skip: Int) extends PipelineOperator with Product with Serializable

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    Skips over a number of documents before passing all further documents along the stream.

    Skips over a number of documents before passing all further documents along the stream. http://docs.mongodb.org/manual/reference/aggregation/skip/#_S_skip

    skip

    the number of documents to skip

    Definition Classes
    AggregationFramework
  30. case class Sort(fields: SortOrder*) extends PipelineOperator with Product with Serializable

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    Sorts the stream based on the given fields.

    Sorts the stream based on the given fields. http://docs.mongodb.org/manual/reference/aggregation/sort/#_S_sort

    fields

    the fields to sort by

    Definition Classes
    AggregationFramework
  31. sealed trait SortOrder extends AnyRef

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    Represents that a field should be sorted on, as well as whether it should be ascending or descending.

    Represents that a field should be sorted on, as well as whether it should be ascending or descending.

    Definition Classes
    AggregationFramework
  32. case class SumField(field: String) extends GroupFunction with Product with Serializable

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    Definition Classes
    AggregationFramework
  33. case class SumValue(value: Int) extends GroupFunction with Product with Serializable

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    Definition Classes
    AggregationFramework
  34. case class Unwind(field: String) extends PipelineOperator with Product with Serializable

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    Turns a document with an array into multiple documents, one document for each element in the array.

    Turns a document with an array into multiple documents, one document for each element in the array. http://docs.mongodb.org/manual/reference/aggregation/unwind/#_S_unwind

    field

    the name of the array to unwind

    Definition Classes
    AggregationFramework

Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  4. object GroupFunction

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    Factory to declare custom call to a group function.

    Factory to declare custom call to a group function.

    Definition Classes
    AggregationFramework
  5. object ImplicitlyDocumentProducer

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    Definition Classes
    ImplicitCommandHelpers
  6. object TextScore extends MetadataKeyword with Product with Serializable

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    References the score associated with the corresponding $text query for each matching document.

    References the score associated with the corresponding $text query for each matching document.

    Definition Classes
    AggregationFramework
  7. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  8. def booleanValue(b: Boolean): BSONValue

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    Returns an boolean as a serialized value.

    Returns an boolean as a serialized value.

    Attributes
    protected
    Definition Classes
    BSONAggregationFrameworkAggregationFramework
  9. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  10. def doubleValue(d: Double): BSONValue

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    Returns an double as a serialized value.

    Returns an double as a serialized value.

    Attributes
    protected
    Definition Classes
    BSONAggregationFrameworkAggregationFramework
  11. def elementProducer(name: String, value: BSONValue): NameOptionValueProducer

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    Returns a producer of element for the given name and value.

    Returns a producer of element for the given name and value.

    name

    the element name

    value

    the element value

    Attributes
    protected
    Definition Classes
    BSONAggregationFrameworkAggregationFramework
  12. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  13. def equals(arg0: Any): Boolean

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    Definition Classes
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  14. def finalize(): Unit

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    protected[java.lang]
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    Annotations
    @throws( classOf[java.lang.Throwable] )
  15. final def getClass(): Class[_]

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  16. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  17. def intValue(i: Int): BSONValue

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    Returns an integer as a serialized value.

    Returns an integer as a serialized value.

    Attributes
    protected
    Definition Classes
    BSONAggregationFrameworkAggregationFramework
  18. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  19. def longValue(l: Long): BSONValue

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    Returns an long as a serialized value.

    Returns an long as a serialized value.

    Attributes
    protected
    Definition Classes
    BSONAggregationFrameworkAggregationFramework
  20. def makeDocument(elements: Seq[Producer[BSONElement]]): BSONDocument

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    Returns a document from a sequence of element producers.

    Returns a document from a sequence of element producers.

    Attributes
    protected
    Definition Classes
    BSONAggregationFrameworkAggregationFramework
  21. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  22. final def notify(): Unit

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    Definition Classes
    AnyRef
  23. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  24. val pack: BSONSerializationPack.type

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  25. def stringValue(s: String): BSONValue

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    Returns an string as a serialized value.

    Returns an string as a serialized value.

    Attributes
    protected
    Definition Classes
    BSONAggregationFrameworkAggregationFramework
  26. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
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  27. def toString(): String

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  28. final def wait(): Unit

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    Annotations
    @throws( ... )
  29. final def wait(arg0: Long, arg1: Int): Unit

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    Annotations
    @throws( ... )
  30. final def wait(arg0: Long): Unit

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    Definition Classes
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    @throws( ... )

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