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• nussknacker-designer_2.13
• 1.16.0
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• GroupByMigration.scala

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pl.touk.nussknacker.ui.process.migrate.GroupByMigration.scala Maven / Gradle / Ivy

package pl.touk.nussknacker.ui.process.migrate

import pl.touk.nussknacker.engine.api.MetaData
import pl.touk.nussknacker.engine.api.parameter.ParameterName
import pl.touk.nussknacker.engine.graph.node.{CustomNode, NodeData}
import pl.touk.nussknacker.engine.migration.NodeMigration

object GroupByMigration extends NodeMigration {

  override val description = "GroupByMigration"

  private val keyByParameterName = ParameterName("keyBy")

  override def migrateNode(metadata: MetaData): PartialFunction[NodeData, NodeData] = {
    case node @ CustomNode(_, _, nodeType, parameters, _)
        if parameters.exists(_.name == keyByParameterName) && nodeType.startsWith("aggregate-") =>
      node.copy(parameters =
        node.parameters.map(p => if (p.name == keyByParameterName) p.copy(name = ParameterName("groupBy")) else p)
      )
  }

}