import com.google.inject.AbstractModule; import java.time.Clock; import services.ApplicationTimer; import services.AtomicCounter; import services.Counter; /** * This class is a Guice module that tells Guice how to bind several * different types. This Guice module is created when the Play * application starts. * * Play will automatically use any class called `Module` that is in * the root package. You can create modules in other locations by * adding `play.modules.enabled` settings to the `application.conf` * configuration file. */ public class Module extends AbstractModule { @Override public void configure() { // Use the system clock as the default implementation of Clock bind(Clock.class).toInstance(Clock.systemDefaultZone()); // Ask Guice to create an instance of ApplicationTimer when the // application starts. bind(ApplicationTimer.class).asEagerSingleton(); // Set AtomicCounter as the implementation for Counter. bind(Counter.class).to(AtomicCounter.class); } }