com.outworkers.phantom.column.OptionalColumn.scala Maven / Gradle / Ivy

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/*
 * Copyright 2013 - 2020 Outworkers Ltd.
 *
 * 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 com.outworkers.phantom.column

import com.outworkers.phantom.{ CassandraTable, Row }

import scala.util.Try

abstract class OptionalColumn[
  Owner <: CassandraTable[Owner, Record],
  Record,
  T
](
  table: CassandraTable[Owner, Record]
) extends AbstractColumn[Option[T]] {

  def apply(r: Row): Option[T] = optional(r).toOption

  def cassandraType: String

  def optional(r: Row): Try[T]
}