za.co.absa.spline.common.validation.Constraint.scala Maven / Gradle / Ivy

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/*
 * Copyright 2021 ABSA Group Limited
 *
 * 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 za.co.absa.spline.common.validation

trait Constraint {
  def isValid: Boolean
  def message: String
}

object Constraint {
  def unique[A](xs: Seq[A]): UniqueConstraint[A, A] = UniqueConstraint(xs, identity, "item")
}