trait AbstractBindingDefDSL[BindDSL[_], BindDSLAfterFrom[_], SetDSL[_]] extends AbstractBindingDefDSLMacro[BindDSL]
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- final class MutationContext extends AnyRef
Use this to create utility functions that add bindings mutably to the current module, as opposed to creating new modules and including them.
Use this to create utility functions that add bindings mutably to the current module, as opposed to creating new modules and including them.
Example:
import distage.{ClassConstructor, Tag, ModuleDef} import izumi.distage.model.definition.dsl.ModuleDefDSL trait RegisteredComponent class RegisteredComponentImpl extends RegisteredComponent def addAndRegister[T <: RegisteredComponent: Tag: ClassConstructor](implicit mutateModule: ModuleDefDSL#MutationContext): Unit = { new mutateModule.dsl { make[T] many[RegisteredComponent] .weak[T] } } new ModuleDef { addAndRegister[RegisteredComponentImpl] }
Value Members
- final def !=(arg0: Any): Boolean
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- final def ##: Int
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- final def ==(arg0: Any): Boolean
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- AnyRef → Any
- def _initialState: ArrayBuffer[BindingRef]
- Attributes
- protected
- final def _make[T](provider: Functoid[T])(implicit arg0: Tag[T], pos: CodePositionMaterializer): BindDSL[T]
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- protected
- def _registered[T <: BindingRef](bindingRef: T): T
- Attributes
- protected
- final def addImplicit[T](implicit arg0: Tag[T], instance: T, pos: CodePositionMaterializer): BindDSLAfterFrom[T]
Same as
make[T].from(implicitly[T])
*Same as
make[T].from(implicitly[T])
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- protected
- final def asInstanceOf[T0]: T0
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- def clone(): AnyRef
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- protected[lang]
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- final def eq(arg0: AnyRef): Boolean
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- def equals(arg0: AnyRef): Boolean
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- def finalize(): Unit
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- protected[lang]
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- @throws(classOf[java.lang.Throwable])
- final def getClass(): Class[_ <: AnyRef]
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- @native()
- def hashCode(): Int
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- Annotations
- @native()
- final def isInstanceOf[T0]: Boolean
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- final macro def make[T]: BindDSL[T]
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- protected
- Definition Classes
- AbstractBindingDefDSLMacro
- final def makeFactory[T](implicit arg0: Tag[T], arg1: FactoryConstructor[T]): BindDSLAfterFrom[T]
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- final def makeSubcontext[T](implicit arg0: Tag[T]): SubcontextDSL[T]
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- final def makeSubcontext[T](submodule: ModuleBase)(implicit arg0: Tag[T]): SubcontextDSL[T]
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- See also
- final def makeTrait[T](implicit arg0: Tag[T], arg1: TraitConstructor[T]): BindDSLAfterFrom[T]
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- final def many[T](implicit tag: Tag[Set[T]], pos: CodePositionMaterializer): SetDSL[T]
Set bindings are useful for implementing event listeners, plugins, hooks, http routes, etc.
Set bindings are useful for implementing event listeners, plugins, hooks, http routes, etc.
To define a multibinding use
.many
and.add
methods in ModuleDef DSL:import cats.effect._, org.http4s._, org.http4s.dsl.io._, scala.concurrent.ExecutionContext.Implicits.global import distage._ object HomeRouteModule extends ModuleDef { many[HttpRoutes[IO]].add { HttpRoutes.of[IO] { case GET -> Root / "home" => Ok(s"Home page!") } } }
Set bindings defined in different modules will be merged together into a single Set. You can summon a created Set by type
Set[T]
:import cats.implicits._, org.http4s.server.blaze._, org.http4s.implicits._ object BlogRouteModule extends ModuleDef { many[HttpRoutes[IO]].add { HttpRoutes.of[IO] { case GET -> Root / "blog" / post => Ok("Blog post ``$post''!") } } } class HttpServer(routes: Set[HttpRoutes[IO]]) { val router = routes.foldK def serve = BlazeBuilder[IO] .bindHttp(8080, "localhost") .mountService(router, "/") .start } val objects = Injector().produce(HomeRouteModule ++ BlogRouteModule) val server = objects.get[HttpServer] val testRouter = server.router.orNotFound testRouter.run(Request[IO](uri = uri("/home"))).flatMap(_.as[String]).unsafeRunSync // Home page! testRouter.run(Request[IO](uri = uri("/blog/1"))).flatMap(_.as[String]).unsafeRunSync // Blog post ``1''!
- Attributes
- protected
- See also
Guice wiki on Multibindings: https://github.com/google/guice/wiki/Multibindings
- final def modify[T]: ModifyDSL[T, BindDSL, BindDSLAfterFrom, SetDSL]
Modify a value bound at
T
.Modify a value bound at
T
. Modifiers stack and are all applied beforeT
is added to the object graph; only the final instance is observable.import distage.{Injector, ModuleDef} Injector().produceGet[Int](new ModuleDef { make[Int].from(1) modify[Int](_ + 1) modify[Int](_ + 1) }).use(i => println(s"Got `Int` $i")) // Got `Int` 3
You can also modify while summoning additional dependencies:
modify[Int]("named").by(_.flatAp { (adder: Adder, multiplier: Multiplier) => int: Int => multiplier.multiply(adder.add(int, 1), 10) })
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- implicit final lazy val mutationContext: MutationContext
- Attributes
- protected
- final def ne(arg0: AnyRef): Boolean
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- final def notify(): Unit
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- Annotations
- @native()
- final def notifyAll(): Unit
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- @native()
- final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
- Definition Classes
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- final def todo[T](implicit arg0: Tag[T], pos: CodePositionMaterializer): BindDSLAfterFrom[T]
Create a dummy binding that throws an exception with an error message when it's created.
Create a dummy binding that throws an exception with an error message when it's created.
Useful for prototyping.
- Attributes
- protected
- final def wait(): Unit
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()