Java 带注释的单例实例的guice injector getInstance
我正在与Guice一起使用Restlet CachedThreadPool在my Guice中定义:Java 带注释的单例实例的guice injector getInstance,java,guice,restlet,Java,Guice,Restlet,我正在与Guice一起使用Restlet CachedThreadPool在my Guice中定义: @Provides @Singleton @Named("name0") public ExecutorService provideAutoDisconnectThreadPool () { return Executors.newCachedThreadPool(); } 希望在服务器停止时关闭线程池,因此在我的restlet.Application中,我使用injector获取实
@Provides
@Singleton
@Named("name0")
public ExecutorService provideAutoDisconnectThreadPool () {
return Executors.newCachedThreadPool();
}
希望在服务器停止时关闭线程池,因此在我的restlet.Application中,我使用injector获取实例:
@Override
public void stop() throws Exception {
LOGGER.info("stopping...");
// shutdown threadPool
injector.getInstance(ExecutorService.class).shutdown();
super.stop();
LOGGER.info("stopped");
}
但是,程序出现以下错误:
com.google.inject.ConfigurationException: Guice configuration errors:
1) No implementation for java.util.concurrent.ExecutorService was bound.
while locating java.util.concurrent.ExecutorService
1 error
at com.google.inject.internal.InjectorImpl.getProvider(InjectorImpl.java:1004)
at com.google.inject.internal.InjectorImpl.getInstance(InjectorImpl.java:1009)
那么,当应用程序停止时,我如何获取线程池实例。命名的
是一个,因此本例中的注入键是ExecutorService.class
和@name0”)
:
这样,T getInstance(Key var1)就是解决方案,thx
injector.getInstance(Key.get(ExecutorService.class, Names.named("name0")))