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• 1.18.0-RC2
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• ParameterData.scala

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pl.touk.nussknacker.engine.definition.component.parameter.ParameterData.scala Maven / Gradle / Ivy

package pl.touk.nussknacker.engine.definition.component.parameter

import java.lang.annotation.Annotation
import java.lang.reflect.Parameter

import pl.touk.nussknacker.engine.api.typed.typing.TypingResult

import scala.reflect.ClassTag

//we extract needed data from java.lang.reflect.Parameter to be able to use it e.g. for fragment parameters
case class ParameterData(typing: TypingResult, annotations: List[_ <: Annotation]) {

  def getAnnotation[T <: Annotation: ClassTag]: Option[T] = annotations.collectFirst { case e: T =>
    e
  }

}

object ParameterData {

  def apply(parameter: Parameter, typing: TypingResult): ParameterData =
    ParameterData(typing, parameter.getAnnotations.toList)
}