com.github.cedrickring.reactormongodb.collection.flux.AggregateFlux.kt Maven / Gradle / Ivy

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A wrapper above the mongodb-async api with Reactor (http://projectreactor.io/)

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package com.github.cedrickring.reactormongodb.collection.flux

import com.github.cedrickring.reactormongodb.collection.ReactiveCollection
import org.bson.conversions.Bson
import reactor.core.CoreSubscriber
import reactor.core.publisher.Flux

class AggregateFlux(private val reactiveCollection: ReactiveCollection,
                               private val pipeline: List,
                               private val resultClass: Class) : Flux() {

    override fun subscribe(actual: CoreSubscriber?) {
        reactiveCollection.nativeCollection.aggregate(pipeline, resultClass).forEach(
                { result -> actual?.onNext(result) },
                { _, throwable -> actual?.onError(throwable) }
        )
    }

}