MongoDB request DSL/opensavvy.ktmongo.dsl.aggregation.stages/HasCount

HasCount

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

Pipeline implementing the $count stage.

Inheritors

Properties

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abstract val context: <Error class: unknown class>

The context used to generate this pipeline.

Functions

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open fun <Output : Any> countTo(field: KProperty1<Output, Number>): Pipeline<Output>
open fun <Output : Any> countTo(field: Field<Output, Number>): Pipeline<Output>

Counts how many elements exist in the pipeline and outputs a single document containing a single field containing the count.

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

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

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abstract override fun toString(): String

JSON representation of this pipeline.

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

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

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abstract fun writeTo(writer: <Error class: unknown class>)

Writes the entire pipeline into writer.