61 lines
1.9 KiB
Scala
61 lines
1.9 KiB
Scala
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package sample.scala
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import javax.ws.rs.{Path, GET, Produces}
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import se.scalablesolutions.akka.kernel.state.{TransactionalState, TransactionalMap, CassandraStorageConfig}
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import se.scalablesolutions.akka.kernel.actor.{Supervisor, SupervisorFactory, Actor, StartSupervisor}
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import se.scalablesolutions.akka.kernel.config.ScalaConfig._
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class Boot {
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object factory extends SupervisorFactory {
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override def getSupervisorConfig: SupervisorConfig = {
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SupervisorConfig(
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RestartStrategy(OneForOne, 3, 100),
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Supervise(
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new SimpleService,
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LifeCycle(Permanent, 100))
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:: Nil)
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}
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}
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val supervisor = factory.newSupervisor
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supervisor.startSupervisor
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}
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/**
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* Try service out by invoking (multiple times):
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* <pre>
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* curl http://localhost:9998/scalacount
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* </pre>
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* Or browse to the URL from a web browser.
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*/
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@Path("/scalacount")
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class SimpleService extends Actor {
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uuid = "SimpleService"
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makeTransactionRequired
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case object Tick
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private val KEY = "COUNTER";
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private var hasStartedTicking = false;
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private val storage = TransactionalState.newPersistentMap(CassandraStorageConfig())
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@GET
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@Produces(Array("application/json"))
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def count = (this !! Tick).getOrElse("Error in counter")
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override def receive: PartialFunction[Any, Unit] = {
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case Tick => if (hasStartedTicking) {
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val counter = storage.get(KEY).get.asInstanceOf[Integer].intValue
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storage.put(KEY, new Integer(counter + 1))
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//reply(<h1>Tick: { counter + 1 } </h1>)
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reply("Tick: " + (counter + 1) + "\n")
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} else {
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storage.put(KEY, new Integer(0))
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hasStartedTicking = true
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//reply(<h1>Tick: 0</h1>)
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reply("Tick: 0\n")
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}
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}
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override protected def postRestart(reason: AnyRef, config: Option[AnyRef]) = {
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println("Restarting due to: " + reason.asInstanceOf[Exception].getMessage)
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}
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}
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