itemrec.ItemRecPreparator.scala Maven / Gradle / Ivy
/** Copyright 2014 TappingStone, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.prediction.engines.itemrec
import io.prediction.engines.base
case class PreparatorParams (
// how to map selected actions into rating value
// use None if use U2IActionTD.v field
val actions: Map[String, Option[Int]], // ((view, 1), (rate, None))
val seenActions: Set[String],
val conflict: String // conflict resolution, "latest" "highest" "lowest"
) extends base.AbstractPreparatorParams
class ItemRecPreparator(pp: PreparatorParams)
extends base.Preparator(pp)