measure/src/main/scala/org/apache/griffin/measure/configuration/dqdefinition/reader/ParamReader.scala

/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
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regarding copyright ownership.  The ASF licenses this file
to you 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

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*/
package org.apache.griffin.measure.configuration.dqdefinition.reader

import org.apache.griffin.measure.Loggable
import org.apache.griffin.measure.configuration.dqdefinition.Param

import scala.reflect.ClassTag
import scala.util.Try

trait ParamReader extends Loggable with Serializable {

  /**
    * read config param
 *
    * @tparam T     param type expected
    * @return       parsed param
    */
  def readConfig[T <: Param](implicit m : ClassTag[T]): Try[T]

  /**
    * validate config param
 *
    * @param param  param to be validated
    * @return       param itself
    */
  protected def validate[T <: Param](param: T): T = {
    param.validate()
    param
  }

}