KtMongo: MongoDB request DSL/opensavvy.ktmongo.dsl.aggregation.stages/HasGroup

HasGroup

interface HasGroup<Document : Any> : Pipeline<Document> (source)

Pipeline implementing the $group stage.

Inheritors

AggregationPipeline

Properties

abstract val context: BsonContext

The context used to generate this pipeline.

Functions

open fun <Out : Any> group(block: GroupStageOperators<Document, Out>.() -> Unit): Pipeline<Out>

Combines many documents into few documents.

@DangerousMongoApi

abstract fun <New : Any> reinterpret(): Pipeline<New>

Changes the type of the returned document, with no type-safety.

abstract override fun toString(): String

JSON representation of this pipeline.

@DangerousMongoApi

abstract fun withStage(stage: BsonNode): Pipeline<Document>

Creates a new pipeline that expands on the current one by adding stage.

abstract fun writeTo(writer: BsonValueWriter)

Writes the entire pipeline into writer.