Lift Framework example source code file (KeyedRecord.scala)

This example Lift Framework source code file (KeyedRecord.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Lift Framework tags/keywords

indirectkeyedentity, indirectkeyedentity, keyedrecord, keyedrecord, mandatorytypedfield, mandatorytypedfield

The Lift Framework KeyedRecord.scala source code

/*
 * Copyright 2010 WorldWide Conferencing, LLC
 *
 * 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 net.liftweb
package squerylrecord

import record.MandatoryTypedField
import org.squeryl.IndirectKeyedEntity

/**
 * Trait to mix into records that have a primary key. The primary key field must be named "idField", though
 * the name of the database column can be changed from that using @Column(name="id") or similar.
 */
trait KeyedRecord[K] extends IndirectKeyedEntity[K, MandatoryTypedField[K]] {
  /** The primary key field of the record. Must not be optional. */
  def idField: MandatoryTypedField[K]

  /** Implement requirements of KeyedEntity by returning the current value of idField */
  def id = idField.value
}