Play Scheduler

Safely schedule tasks in Play Framework.

USE THE LIBRARY ON YOUR OWN RISK

Usage

Currently only a snapshot version is available:

resolvers += "Sonatype OSS Snapshots" at "https://oss.sonatype.org/content/repositories/snapshots"

libraryDependencies += "com.github.amazingdreams" %% "play-scheduler" % "0.1.0-SNAPSHOT"

Enable the module in application.conf and add some tasks:

play.modules.enabled += com.github.amazingdreams.play.scheduler.module.PlaySchedulerModule

play.scheduler {
  tasks = [
    {
      task = tasks.LongRunningTask
      interval = 2 minutes
    }
  ]
}

This is an example of a task

class LongRunningTask @Inject()()(implicit ec: ExecutionContext)
  extends SchedulerTask {

  override def run(): Future[String] = Future {
    Thread.sleep(1000 * 5 * 60)
    "OK"
  }
}

Persistence

The Play Scheduler uses an in memory persistence provider. It's possible to provide your own persistence class using the PlaySchedulerPersistence trait.

For instance:

package tasks.persistence

class MyCustomPersistence extends PlaySchedulerPersistence {
  // Custom persistence logic
}

Then set the configuration property

play.scheduler.persistence = tasks.persistence.MyCustomPersistence

Clustering

It's possible to use the scheduler as an akka cluster singleton.

play.scheduler.cluster = true