completed scala binary serialization'

kernel/src/main/scala/serialization/Serializable.scala

@@ -28,10 +28,43 @@ trait Serializable {
 }
 
 /**
+ * Serialization protocols.
+ * 
  * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
  */
 object Serializable {
 
+  /**
+   * Example on how to use the SBinary serialization protocol: 
+   * <pre>
+   * case class User(val usernamePassword: Tuple2[String, String],
+   *                 val email: String,
+   *                 val age: Int)
+   *   extends Serializable.SBinary[User] {
+   *   def this() = this(null, null, 0)
+   *   import sbinary.DefaultProtocol._                                             
+   *   implicit object UserFormat extends Format[User] {
+   *     def reads(in : Input) = User(
+   *       read[Tuple2[String, String]](in),
+   *       read[String](in),
+   *       read[Int](in))
+   *     def writes(out: Output, value: User) = {
+   *       write[Tuple2[String, String]](out, value.usernamePassword)
+   *       write[String](out, value.email)
+   *       write[Int](out, value.age)
+   *     }
+   *   }
+   *   def fromBytes(bytes: Array[Byte]) = fromByteArray[User](bytes)
+   *   def toBytes: Array[Byte] = toByteArray(this)
+   * }
+   * </pre>
+   * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
+   */
+  trait SBinary[T <: AnyRef] extends Serializable {
+    def fromBytes(bytes: Array[Byte]): T
+    def toBytes: Array[Byte]
+  }
+
   /**
    * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
    */
@@ -43,7 +76,7 @@ object Serializable {
   /**
    * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
    */
-  trait JavaJSON[T] extends JSON[T]{
+  abstract class JavaJSON[T] extends JSON[T]{
     private val mapper = new ObjectMapper
 
     def toJSON: String = {
@@ -77,17 +110,4 @@ object Serializable {
     def toBytes: Array[Byte]
     def getSchema: Message
   }
-
-  /**
-   * <pre>
-   *   import sbinary.DefaultProtocol._
-   *   def fromBytes(bytes: Array[Byte]) = fromByteArray[String](bytes)
-   *   def toBytes: Array[Byte] =          toByteArray(body)
-   * </pre>
-   * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
-   */
-  trait SBinary extends Serializable {
-    def fromBytes(bytes: Array[Byte])
-    def toBytes: Array[Byte]
-  }
-}
+}