twitter-algorithm/home-mixer/server/src/main/scala/com/twitter/home_mixer/functional_component/gate/NonEmptySeqFeatureGate.scala
twitter-team ef4c5eb65e Twitter Recommendation Algorithm
Please note we have force-pushed a new initial commit in order to remove some publicly-available Twitter user information. Note that this process may be required in the future.
2023-03-31 17:36:31 -05:00

19 lines
740 B
Scala

package com.twitter.home_mixer.functional_component.gate
import com.twitter.product_mixer.core.feature.Feature
import com.twitter.product_mixer.core.functional_component.gate.Gate
import com.twitter.product_mixer.core.model.common.identifier.GateIdentifier
import com.twitter.product_mixer.core.pipeline.PipelineQuery
import com.twitter.stitch.Stitch
import scala.reflect.runtime.universe._
case class NonEmptySeqFeatureGate[T: TypeTag](
feature: Feature[PipelineQuery, Seq[T]])
extends Gate[PipelineQuery] {
override val identifier: GateIdentifier = GateIdentifier(s"NonEmptySeq$feature")
override def shouldContinue(query: PipelineQuery): Stitch[Boolean] =
Stitch.value(query.features.exists(_.get(feature).nonEmpty))
}