java-tutorials/play-framework/introduction/app/Module.java

32 lines
1.0 KiB
Java

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);
}
}