the-algorithm/product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/gate/FirstPageGate.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

20 lines
842 B
Scala

package com.twitter.product_mixer.component_library.gate
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.HasPipelineCursor
import com.twitter.product_mixer.core.pipeline.PipelineQuery
import com.twitter.stitch.Stitch
/**
* Gate used in first page. Use request cursor to determine if the gate should be open or closed.
*/
object FirstPageGate extends Gate[PipelineQuery with HasPipelineCursor[_]] {
override val identifier: GateIdentifier = GateIdentifier("FirstPage")
// If cursor is first page, then gate should return continue, otherwise return stop
override def shouldContinue(query: PipelineQuery with HasPipelineCursor[_]): Stitch[Boolean] =
Stitch.value(query.isFirstPage)
}