Updating with SalatDAO

console.scala

scala> import model._
import model._

scala> import org.bson.types.ObjectId
import org.bson.types.ObjectId

scala> import com.mongodb.casbah.Imports._
import com.mongodb.casbah.Imports._

scala> val _id = new ObjectId
_id: org.bson.types.ObjectId = 50167fbee4b036019b42a0e4

scala> val f = Foo(_id = _id, x = "Test", counter = 1)
f: model.Foo = Foo(50167fbee4b036019b42a0e4,Test,1)

scala> FooDAO.insert(f)
res0: Option[org.bson.types.ObjectId] = Some(50167fbee4b036019b42a0e4)

scala> FooDAO.update(q = MongoDBObject("_id" -> _id), o = MongoDBObject("$set" -> MongoDBObject("x" -> "Test2")), upsert = false, multi = false)

scala> FooDAO.findOneById(_id)
res4: Option[model.Foo] = Some(Foo(50167fbee4b036019b42a0e4,Test2,1))

scala> FooDAO.update(q = MongoDBObject("_id" -> _id), o = MongoDBObject("$inc" -> MongoDBObject("counter" -> 1)), upsert = false, multi = false)

scala> FooDAO.findOneById(_id)
res7: Option[model.Foo] = Some(Foo(50167fbee4b036019b42a0e4,Test2,2))

scala> FooDAO.update(MongoDBObject("_id" -> _id), MongoDBObject("$inc" -> MongoDBObject("counter" -> 1)), false, false)

scala> FooDAO.findOneById(_id)
res9: Option[model.Foo] = Some(Foo(50167fbee4b036019b42a0e4,Test2,3))

model.scala

package model

import org.bson.types.ObjectId
import com.novus.salat.global._
import com.novus.salat.dao.SalatDAO
import com.mongodb.casbah.MongoConnection

case class Foo(_id: ObjectId, x: String, counter: Int)

object FooDAO extends SalatDAO[Foo, ObjectId](collection = MongoConnection()("test_db")("foo"))