1 files changed, 51 insertions, 0 deletions
diff --git a/src/main/scala/xyz/driver/common/domain/Id.scala b/src/main/scala/xyz/driver/common/domain/Id.scala
new file mode 100644
index 0000000..9f9604e
--- /dev/null
+++ b/src/main/scala/xyz/driver/common/domain/Id.scala
@@ -0,0 +1,51 @@
+package xyz.driver.common.domain
+
+import java.util.UUID
+
+import xyz.driver.common.logging._
+
+sealed trait Id[+T]
+
+case class CompoundId[Id1 <: Id[_], Id2 <: Id[_]](part1: Id1, part2: Id2) extends Id[(Id1, Id2)]
+
+case class LongId[+T](id: Long) extends Id[T] {
+  override def toString: String = id.toString
+
+  def is(longId: Long): Boolean = {
+    id == longId
+  }
+}
+
+object LongId {
+  implicit def toPhiString[T](x: LongId[T]): PhiString = Unsafe(s"LongId(${x.id})")
+}
+
+case class StringId[+T](id: String) extends Id[T] {
+  override def toString: String = id
+
+  def is(stringId: String): Boolean = {
+    id == stringId
+  }
+}
+
+object StringId {
+  implicit def toPhiString[T](x: StringId[T]): PhiString = Unsafe(s"StringId(${x.id})")
+}
+
+case class UuidId[+T](id: UUID) extends Id[T] {
+  override def toString: String = id.toString
+}
+
+object UuidId {
+
+  /**
+    * @note May fail, if `string` is invalid UUID.
+    */
+  def apply[T](string: String): UuidId[T] = new UuidId[T](UUID.fromString(string))
+
+  def apply[T](): UuidId[T] = new UuidId[T](UUID.randomUUID())
+
+  implicit def ordering[T] = Ordering.by[UuidId[T], String](_.toString)
+
+  implicit def toPhiString[T](x: UuidId[T]): PhiString = Unsafe(s"UuidId(${x.id})")
+}