因此,我尝试使用如下所示的方法来实现编译时 DI:
package modules
class MyModule extends AbstractModule {
def configure() {
bind(classOf[MyT]).to(classOf[MyTImpl])
}
}
class MyApplicationLoader extends GuiceApplicationLoader {
override protected def builder(context: ApplicationLoader.Context): GuiceApplicationBuilder = {
initialBuilder
.in(context.environment)
.loadConfig(context.initialConfiguration)
.overrides(overrides(context): _*)
.load(new MyModule)
}
}
application.conf 包含一行:
play.application.loader = "modules.MyApplicationLoader"
但是,当我尝试启动应用程序时,出现错误:
ConfigurationException: Guice configuration errors:
1) No implementation for play.api.Application was bound.
while locating play.api.Application
1 error
No source available, here is the exception stack trace:
->com.google.inject.ConfigurationException: Guice configuration errors:
1) No implementation for play.api.Application was bound.
while locating play.api.Application
1 error
com.google.inject.internal.InjectorImpl.getProvider(InjectorImpl.java:1042)
com.google.inject.internal.InjectorImpl.getProvider(InjectorImpl.java:1001)
com.google.inject.internal.InjectorImpl.getInstance(InjectorImpl.java:1051)
....
不明白为什么这不起作用,因为我见过的任何例子都没有做任何更多的事情。我在忽略什么?
Use bindings
代替load
:
class MyApplicationLoader extends GuiceApplicationLoader {
override protected def builder(context: ApplicationLoader.Context): GuiceApplicationBuilder = {
initialBuilder
.in(context.environment)
.loadConfig(context.initialConfiguration)
.overrides(overrides(context): _*)
.bindings(new MyModule)
}
}
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