scala-activerecord is an ORM library for Scala.
This library is inspired by ActiveRecord of Ruby on Rails. It is designed following the CoC(Convention over Configuration), DRY(Don't Repeat Yourself) principles.
- Sample snippet: Scastie
Model implementation:
package models
import com.github.aselab.activerecord._
import com.github.aselab.activerecord.dsl._
case class Person(name: String, age: Int) extends ActiveRecord
object Person extends ActiveRecordCompanion[Person]Schema definition:
package models
import com.github.aselab.activerecord._
import com.github.aselab.activerecord.dsl._
object Tables extends ActiveRecordTables {
val people = table[Person]
}ActiveRecord model usage:
import com.github.aselab.activerecord.dsl._
import models._
import scala.language.postfixOps
object App extends App {
Tables.initialize
Person("person1", 25).save()
Person("person2", 18).save()
Person("person3", 40).save()
Person("person4", 18).save()
Person.findBy("name", "person1") //=> Some(Person("person1", 25))
Person.findBy("age", 55) //=> None
Person.findAllBy("age", 18).toList //=> List(Person("person2", 18), Person("person4", 18))
Person.where(_.age.~ >= 20).orderBy(_.age desc).toList //=> List(Person("person3", 40), Person("person1", 25))
Tables.cleanup
}Schema and query DSL is based on Squeryl.
- Auto connection management
- Composable query operation
- Callback
- Validation
- Association
MIT