Scala AbstractModule类代码示例

//设置package包名称以及导入依赖的类
import com.google.inject.AbstractModule
import java.time.Clock

import services.{ApplicationTimer, AtomicCounter, Counter}


class Module extends AbstractModule {

  override def configure() = {
    // Use the system clock as the default implementation of Clock
    bind(classOf[Clock]).toInstance(Clock.systemDefaultZone)
    // Ask Guice to create an instance of ApplicationTimer when the
    // application starts.
    bind(classOf[ApplicationTimer]).asEagerSingleton()
    // Set AtomicCounter as the implementation for Counter.
    bind(classOf[Counter]).to(classOf[AtomicCounter])
  }

} 

//设置package包名称以及导入依赖的类
import java.util.function.Function

import akka.actor.ActorRef
import com.google.inject.AbstractModule
import com.google.inject.name.Names
import com.google.inject.util.Providers
import controllers.{DefaultKnolxControllerComponents, KnolxControllerComponents}
import net.codingwell.scalaguice.ScalaModule
import play.libs.Akka
import schedulers.SessionsScheduler

class Module extends AbstractModule with ScalaModule {

  override def configure(): Unit = {
    bind[ActorRef]
      .annotatedWith(Names.named("SessionsScheduler"))
      .toProvider(Providers.guicify(Akka.providerOf(classOf[SessionsScheduler], "SessionsScheduler", Function.identity())))
      .asEagerSingleton

    bind(classOf[KnolxControllerComponents])
      .to(classOf[DefaultKnolxControllerComponents])
      .asEagerSingleton()
  }

} 

//设置package包名称以及导入依赖的类
package di

import javax.inject.{Named, Singleton}

import com.google.inject.{AbstractModule, Provides}
import io.opentracing.{NoopTracerFactory, Tracer}

class NoopTracerModule extends AbstractModule {
  def configure() = {
  }

  @Provides
  @Singleton
  @Named("backend")
  def tracer(): Tracer = {
    return NoopTracerFactory.create()
  }
} 

//设置package包名称以及导入依赖的类
import javax.inject._

import com.google.inject.AbstractModule
import net.codingwell.scalaguice.ScalaModule
import play.api.{Configuration, Environment}

import jobs._
import models.daos._
import models.services._


class Module(environment: Environment, configuration: Configuration)
    extends AbstractModule
    with ScalaModule {

  override def configure() = {
    bind[UserDAO].to[UserDAOImpl]
    bind[ClassroomDAO].to[ClassroomDAOImpl]

    bind[UserService].to[UserServiceImpl]
    bind[ClassroomService].to[ClassroomServiceImpl]

    bind[Startup].asEagerSingleton()
  }
} 

//设置package包名称以及导入依赖的类
import java.time.Clock

import com.google.inject.AbstractModule
import services.ApplicationTimer
import foo.services.{Counter, AtomicCounter}


class Module extends AbstractModule {

  override def configure() = {
    // Use the system clock as the default implementation of Clock
    bind(classOf[Clock]).toInstance(Clock.systemDefaultZone)
    // Ask Guice to create an instance of ApplicationTimer when the
    // application starts.
    bind(classOf[ApplicationTimer]).asEagerSingleton()
    // Set AtomicCounter as the implementation for Counter.
    bind(classOf[Counter]).to(classOf[AtomicCounter])
  }

} 

//设置package包名称以及导入依赖的类
package context.di

import javax.inject.Singleton

import com.google.inject.{AbstractModule, Provides}
import context.propagation.threadlocal.CurrentCtxLocalThread
import context.{CtxFactory, CtxFactorySpanOnly, CurrentCtx}

class CtxBasicModule extends AbstractModule {
    def configure() = {
        bind(classOf[CtxFactory]).to(classOf[CtxFactorySpanOnly]).asEagerSingleton()
    }

    @Provides
    @Singleton
    def currentCtx(): CurrentCtx = {
        CurrentCtx.instance = CurrentCtxLocalThread.instance
        CurrentCtx.instance
    }

} 

//设置package包名称以及导入依赖的类
package di

import javax.inject.{Named, Singleton}

import com.google.inject.{AbstractModule, Provides}
import io.opentracing.Tracer
import org.hawkular.apm.api.utils.PropertyUtil
import org.hawkular.apm.client.api.recorder.BatchTraceRecorder.BatchTraceRecorderBuilder
import org.hawkular.apm.client.api.recorder.TraceRecorder
import org.hawkular.apm.client.api.recorder.BatchTraceRecorder
import org.hawkular.apm.trace.publisher.rest.client.TracePublisherRESTClient

class HawkularModule extends AbstractModule {
  def configure() = {
  }

  //Hawkular seems to failed to load TracePublisher via ServiceLoader, so Made a explicit
  @Provides
  @Singleton
  @Named("backend")
  def traceRecorder(): TraceRecorder = {
    val publisher = new TracePublisherRESTClient(
      PropertyUtil.getProperty(PropertyUtil.HAWKULAR_APM_USERNAME, "jdoe"),
      PropertyUtil.getProperty(PropertyUtil.HAWKULAR_APM_PASSWORD, "password"),
      PropertyUtil.getProperty(PropertyUtil.HAWKULAR_APM_URI, "http://localhost:8080")
    )
    val builder = new BatchTraceRecorderBuilder()
    builder.withTracePublisher(publisher)
    Option(PropertyUtil.getProperty(PropertyUtil.HAWKULAR_APM_COLLECTOR_BATCHSIZE)).foreach { batchSize =>
      builder.withBatchSize(Integer.parseInt(batchSize))
    }
    Option(PropertyUtil.getProperty(PropertyUtil.HAWKULAR_APM_COLLECTOR_BATCHTIME)).foreach { batchTime =>
      builder.withBatchTime(Integer.parseInt(batchTime))
    }
    Option(PropertyUtil.getProperty(PropertyUtil.HAWKULAR_APM_COLLECTOR_BATCHTHREADS)).foreach { threadPoolSize =>
      builder.withBatchPoolSize(Integer.parseInt(threadPoolSize))
    }
    builder.withTenantId(PropertyUtil.getProperty("HAWKULAR_APM_TENANTID"))
    new BatchTraceRecorder(builder)
  }


  @Provides
  @Singleton
  def tracer(traceRecorder: TraceRecorder): Tracer = {
    val tracer0 = new org.hawkular.apm.client.opentracing.APMTracer(traceRecorder)
    //GlobalTracer.register(tracer0)
    //GlobalTracer.get()
    tracer0
  }

} 

//设置package包名称以及导入依赖的类
import com.google.inject.AbstractModule
import java.time.Clock

import services._


class Module extends AbstractModule {

  override def configure() = {
    // Use the system clock as the default implementation of Clock
    bind(classOf[Clock]).toInstance(Clock.systemDefaultZone)
    // Ask Guice to create an instance of ApplicationTimer when the
    // application starts.
    bind(classOf[ApplicationTimer]).asEagerSingleton()
    // Set AtomicCounter as the implementation for Counter.
    bind(classOf[Counter]).to(classOf[AtomicCounter])

    bind(classOf[AdminCredentialsService]).to(classOf[DbAdminCredentialService])
  }

} 

//设置package包名称以及导入依赖的类
import com.google.inject.AbstractModule
import java.time.Clock

import services.{ApplicationTimer, AtomicCounter, Counter}


class Module extends AbstractModule {

  override def configure() = {
    // Use the system clock as the default implementation of Clock
    bind(classOf[Clock]).toInstance(Clock.systemDefaultZone)
    // Ask Guice to create an instance of ApplicationTimer when the
    // application starts.
    bind(classOf[ApplicationTimer]).asEagerSingleton
    // Set AtomicCounter as the implementation for Counter.
    bind(classOf[Counter]).to(classOf[AtomicCounter])
  }

} 

//设置package包名称以及导入依赖的类
package de.htwg.se.SevenSteps

import com.google.inject.AbstractModule
import com.google.inject.assistedinject.FactoryModuleBuilder
import de.htwg.se.SevenSteps.controller.IController
import de.htwg.se.SevenSteps.model.bag.IBag
import de.htwg.se.SevenSteps.model.fileIO.IFileIO
import de.htwg.se.SevenSteps.model.grid.{IGrid, IGridFactory}
import de.htwg.se.SevenSteps.model.player.IPlayers
import de.htwg.se.SevenSteps.model.{bag, fileIO, grid, player}
import net.codingwell.scalaguice.ScalaModule

class SevenStepsModule extends AbstractModule with ScalaModule {
  override def configure(): Unit = {
    bind[IPlayers].to[player.basicImpl.Players]
    bind[IBag].to[bag.basicImpl.Bag]
    bind[IController].to[controller.basicImpl.Controller]
    bind[IFileIO].to[fileIO.json.Json]
    install(new FactoryModuleBuilder()
      .implement(classOf[IGrid], classOf[grid.basicImpl.Grid])
      .build(classOf[IGridFactory]))
  }
} 

//设置package包名称以及导入依赖的类
import com.google.inject.AbstractModule
import java.time.Clock

import services._


class Module extends AbstractModule {

  override def configure() = {
    // Use the system clock as the default implementation of Clock
    bind(classOf[Clock]).toInstance(Clock.systemDefaultZone)
    // Ask Guice to create an instance of ApplicationTimer when the
    // application starts.
    bind(classOf[ApplicationTimer]).asEagerSingleton()
    // Set AtomicCounter as the implementation for Counter.
    bind(classOf[Counter]).to(classOf[AtomicCounter])
    bind(classOf[BikeDataReader]).to(classOf[BikeDataReaderImpl])
  }

} 

//设置package包名称以及导入依赖的类
package modules

import actors.StatisticsProvider
import akka.actor.ActorSystem
import com.google.inject.{AbstractModule, Inject}
import play.api.Configuration
import play.api.libs.ws.WSClient

class Actors @Inject() (system: ActorSystem, ws: WSClient, config: Configuration) extends ApplicationActors {
  system.actorOf(
    props = StatisticsProvider.props.(ws, config).withDispatcher("control-aware-dispatcher"),
    name = "statisticProvider"
  )
}

trait ApplicationActors

class ActorsModule extends AbstractModule {
  override def configure(): Unit = {
    bind(classOf[ApplicationActors]).to(classOf[Actors]).asEagerSingleton
  }
} 

//设置package包名称以及导入依赖的类
package modules

import javax.inject._
import actors.StatisticsProvider
import akka.actor.ActorSystem
import com.google.inject.AbstractModule


class Actors @Inject()(system: ActorSystem) extends ApplicationActors {
  system.actorOf(
    props = StatisticsProvider.props.withDispatcher("control-aware-dispatvcher"),
    name = "statisticsProvider"
  )
}

trait ApplicationActors

class ActorsModule extends AbstractModule {
  override def configure(): Unit = {
    bind(classOf[ApplicationActors])
      .to(classOf[Actors]).asEagerSingleton
  }
} 

//设置package包名称以及导入依赖的类
import com.google.inject.{AbstractModule, Guice}
import org.ababup1192._
import org.scalatest._

class GuiceSpec extends FlatSpec with Matchers {
  "GuiceMain" should "have Singleton Instance" in {
    val injector = Guice.createInjector(new AbstractModule {
      override def configure(): Unit = {}
    })

    val singletonScope = injector.getInstance(classOf[SingletonScope])
    val defaultScope = injector.getInstance(classOf[DefaultScope])

    singletonScope.count should ===(1000)
    defaultScope.count should ===(100)

    singletonScope.count = 9999
    defaultScope.count = 999

    val singletonScope2 = injector.getInstance(classOf[SingletonScope])
    val defaultScope2 = injector.getInstance(classOf[DefaultScope])

    singletonScope2.count should ===(9999)
    defaultScope2.count should ===(100)
  }
} 

//设置package包名称以及导入依赖的类
package com.franklevering.banking.infrastructure.dependencyinjection.modules

import akka.actor.ActorSystem
import com.franklevering.banking.infrastructure.dependencyinjection.extension.GuiceAkkaExtension
import com.google.inject.{AbstractModule, Inject, Injector, Provider}
import net.codingwell.scalaguice.ScalaModule

class ActorSystemProvider @Inject() (val injector:Injector) extends Provider[ActorSystem] {
  override def get(): ActorSystem = {
    val system = ActorSystem("banking-context")
    GuiceAkkaExtension(system).initialize(injector)
    system
  }
}
class AkkaModule extends AbstractModule with ScalaModule {
  override def configure(): Unit = {
    bind[ActorSystem].toProvider[ActorSystemProvider].asEagerSingleton()
  }
}