scala-news-reader

rss/atom news reader in scala

git clone https://9o.is/git/scala-news-reader.git

ObjectIdRefFieldExtra.scala

(657B)

      1 package com.joereader.model.field
      2 
      3 import org.bson.types._
      4 import com.mongodb._
      5 import net.liftweb._
      6 import common._
      7 import mongodb.record._
      8 import field._
      9 
     10 trait ObjectIdRefFieldExtra[
     11   OwnerType <: BsonRecord[OwnerType], 
     12   RefType <: MongoRecord[RefType] with ObjectIdPk[RefType]]
     13   extends ObjectIdRefField[OwnerType, RefType] {
     14 
     15   override def defaultValue = new ObjectId("0" * 24)
     16 
     17   def isEmpty: Boolean = get == defaultValue
     18   def isDefined: Boolean = !isEmpty
     19   def remove: OwnerType = this(defaultValue)
     20 
     21   def is(a: RefType): Boolean = get == a.id.get
     22   def is(a: Box[RefType]): Boolean = a.exists(is)
     23   def isNot(a: RefType): Boolean = !is(a)
     24 }