为什么afBedSheet应用程序抛出'服务不存在类型afBedSheet :: Routes'

时间:2014-08-11 11:50:38

标签: fantom afbedsheet

使用afBedSheet's documentation中的示例:

using afIoc
using afBedSheet

class HelloPage {
  Text hello(Str name, Int iq := 666) {
    return Text.fromPlain("Hello! I'm $name and I have an IQ of $iq!")
  }
}

class AppModule {
  @Contribute { serviceType=Routes# }
  static Void contributeRoutes(Configuration conf) {
    conf.add(Route(`/index`, Text.fromPlain("Welcome to BedSheet!")))
    conf.add(Route(`/hello/**`, HelloPage#hello))
  }
}

class Example {
  Int main() {
    return afBedSheet::Main().main([AppModule#.qname, "8080"])
  }
}

如果我将此行添加为Example类

中main()方法的第一行
    registry := IocService([AppModule#]).start.registry

afBedSheet应用程序无法启动并抛出:

[21:40:10 11-Aug-14] [info] [afIoc] Adding module definition for Example_0::AppModule
[21:40:10 11-Aug-14] [info] [afIoc] Starting IOC...
[21:40:10 11-Aug-14] [err] [afIoc] Err starting IOC
  afIoc::IocErr: Service does not exist for Type 'afBedSheet::Routes' defined in contribution method Example_0::AppModule.contributeRoutes.
Ioc Operation Trace:
  [ 1] Building IoC Registry
  [ 2] Validating contribution definitions
Stack Trace:
    afIoc::Utils.stackTraceFilter (Utils.fan:45)
    afIoc::RegistryBuilder.build (RegistryBuilder.fan:108)
    afIoc::IocService.onStart (IocService.fan:76)
    fan.sys.Service$.start (Service$.java:206)
    afIoc::IocService.start (IocService.fan:10)
    Example_0::Example.main (/Users/coder/Documents/temp/testBedSheet/Example.fan:20)
    java.lang.reflect.Method.invoke (Method.java:483)
    fan.sys.Method.invoke (Method.java:559)
    fan.sys.Method$MethodFunc.callOn (Method.java:230)
    fan.sys.Method.callOn (Method.java:139)
    fanx.tools.Fan.callMain (Fan.java:175)
    fanx.tools.Fan.executeFile (Fan.java:98)
    fanx.tools.Fan.execute (Fan.java:37)
    fanx.tools.Fan.run (Fan.java:298)
    fanx.tools.Fan.main (Fan.java:336)
ERROR: fan.afIoc.IocService.onStart

如何访问afBedSheet应用程序的IocService以获取绑定服务?

1 个答案:

答案 0 :(得分:1)

由于BedSheet为您创建了一个IoC注册表,因此无需创建自己的IoC注册表。

此外,不应该在Web应用程序之外访问注册表。

如果您需要在网络应用启动时发生某些事情,请向RegistryStartup提供func / closure:

class AppModule {
    @Contribute { serviceType=RegistryStartup# }
    static Void contributeRegistryStartup(Configuration conf, MyService myService) {
        conf.add |->| { 
            myService.soSomething() 
        }
    }
}

要在网络请求期间访问,@Inject服务进入您的处理程序:

class HelloPage {
  @Inject MyService? myService

  Text hello(Str name, Int iq := 666) {
    myService.doSomething()

    return Text.fromPlain("Hello! I'm $name and I have an IQ of $iq!")
  }
}