Scala Injector类代码示例

//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()
  }
} 

//设置package包名称以及导入依赖的类
package com.nulabinc.backlog.migration.common.modules

import com.google.inject.{AbstractModule, Guice, Injector}
import com.nulabinc.backlog.migration.common.conf.{BacklogApiConfiguration, BacklogPaths}
import com.nulabinc.backlog.migration.common.service._
import com.nulabinc.backlog4j.conf.BacklogPackageConfigure
import com.nulabinc.backlog4j.{BacklogClient, BacklogClientFactory}


object ServiceInjector {

  def createInjector(apiConfig: BacklogApiConfiguration): Injector = {
    Guice.createInjector(new AbstractModule() {
      override def configure(): Unit = {
        val backlogPackageConfigure = new BacklogPackageConfigure(apiConfig.url)
        val configure               = backlogPackageConfigure.apiKey(apiConfig.key)
        val backlog                 = new BacklogClientFactory(configure).newClient()

        bind(classOf[BacklogClient]).toInstance(backlog)
        bind(classOf[ProjectService]).to(classOf[ProjectServiceImpl])
        bind(classOf[SpaceService]).to(classOf[SpaceServiceImpl])
        bind(classOf[UserService]).to(classOf[UserServiceImpl])
        bind(classOf[StatusService]).to(classOf[StatusServiceImpl])
        bind(classOf[PriorityService]).to(classOf[PriorityServiceImpl])
        bind(classOf[BacklogPaths]).toInstance(new BacklogPaths(apiConfig.projectKey))
      }
    })
  }

} 

//设置package包名称以及导入依赖的类
package com.nulabinc.backlog.migration.common.modules

import javax.inject.Inject

import akka.actor.ActorSystem
import com.google.inject.{AbstractModule, Injector, Provider}
import com.nulabinc.backlog.migration.common.modules.akkaguice.GuiceAkkaExtension
import com.nulabinc.backlog.migration.common.modules.AkkaModule.ActorSystemProvider
import com.typesafe.config.Config
import net.codingwell.scalaguice.ScalaModule

object AkkaModule {

  class ActorSystemProvider @Inject()(val config: Config, val injector: Injector) extends Provider[ActorSystem] {
    override def get() = {

      val system = ActorSystem.apply("main-actor-system", config)
      // add the GuiceAkkaExtension to the system, and initialize it with the Guice injector
      GuiceAkkaExtension(system).initialize(injector)
      system
    }
  }

}


class AkkaModule extends AbstractModule with ScalaModule {

  override def configure() {
    bind[ActorSystem].toProvider[ActorSystemProvider].asEagerSingleton()
  }
} 

//设置package包名称以及导入依赖的类
package util

import java.io.File

import com.google.inject.{Guice, Injector}
import modules.{GCloudDataModule, LocalDataModule}
import org.scalatest.FlatSpec

class SimpleTest extends FlatSpec {
//  val injector: Injector = Guice.createInjector(new LocalDataModule)
  val injector: Injector = Guice.createInjector(new GCloudDataModule)
  val dataRepo: DataRepo = injector.getInstance(classOf[DataRepo])

  "LocalDataRepo" should "return the correct number of bytes" in {
    val data = dataRepo.read("data/classic-rock-raw-data.csv")
    val size = data.length
    println(s"Size of file is $size")
  }

  it should "return write the correct number of bytes" in {
    val data = dataRepo.read("data/classic-rock-raw-data.csv")
    val originalSize = data.length
    val outputPath = "data/out"
    dataRepo.write(data, outputPath)
    val writtenSize = new File(outputPath).length
    println(s"Original size vs written size: $originalSize vs $writtenSize")
  }

  it should "write the correct delimiter" in {
    val data = List(List(1, 2, 3), List(4, 5, 6))
    dataRepo.writeCsv(data, "data/out.csv", delimiter = '+')
  }

  it should "read the correct delimiter" in {
    println(dataRepo.readCsv("data/out.csv"))
    println(dataRepo.readCsv("data/out.csv", delimiter = '+'))
  }


  it should "read the correct number of lines" in {
    assertResult(6513) {
      dataRepo.readLines("data/agaricus.txt.train").length
    }
  }
} 

//设置package包名称以及导入依赖的类
package io.neons.collector.application.guice.application.akka.actor

import akka.actor._
import com.google.inject.Injector

class GuiceAkkaExtensionImpl extends Extension {
  private var injector: Injector = _

  def initialize(injector: Injector) = {
    this.injector = injector
  }

  def props(actorName: String) = Props(classOf[GuiceActorProducer], injector, actorName)
}

object GuiceAkkaExtension extends ExtensionId[GuiceAkkaExtensionImpl] with ExtensionIdProvider {
  override def createExtension(system: ExtendedActorSystem) = new GuiceAkkaExtensionImpl
  override def lookup() = GuiceAkkaExtension
  override def get(system: ActorSystem): GuiceAkkaExtensionImpl = super.get(system)
}

trait NamedActor {
  def name: String
}

trait GuiceAkkaActorRefProvider {
  def propsFor(system: ActorSystem, name: String) = GuiceAkkaExtension(system).props(name)
  def provideActorRef(system: ActorSystem, name: String): ActorRef = system.actorOf(propsFor(system, name))
} 

//设置package包名称以及导入依赖的类
package io.neons.collector.application.guice.application.akka.actor

import javax.inject.Inject

import akka.actor.ActorSystem
import com.google.inject.{AbstractModule, Injector, Provider}
import io.neons.collector.application.guice.application.akka.actor.AkkaModule.ActorSystemProvider
import net.codingwell.scalaguice.ScalaModule

object AkkaModule {
  class ActorSystemProvider @Inject()(injector: Injector) extends Provider[ActorSystem] {
    override def get = {
      val actorSystem = ActorSystem("collector")
      GuiceAkkaExtension(actorSystem).initialize(injector)
      actorSystem
    }
  }
}

class AkkaModule extends AbstractModule with ScalaModule {
  override def configure(): Unit = {
    bind[ActorSystem].toProvider[ActorSystemProvider].asEagerSingleton()
  }
} 

//设置package包名称以及导入依赖的类
package beam.sim

import java.util.concurrent.TimeUnit

import akka.actor.{ActorRef, ActorSystem}
import akka.util.Timeout
import beam.playground.akkaguice.ActorInject
import beam.sim.config.BeamConfig
import beam.agentsim.events.AgentsimEventsBus
import com.google.inject.{Inject, Injector, Singleton}
import glokka.Registry
import org.matsim.api.core.v01.population.Person
import org.matsim.api.core.v01.Id
import org.matsim.core.controler._
import org.matsim.households.Household
import org.matsim.vehicles.Vehicle

import scala.concurrent.duration.FiniteDuration



@Singleton
case class BeamServices @Inject()(protected val injector: Injector) extends ActorInject {
  val matsimServices: MatsimServices = injector.getInstance(classOf[MatsimServices])
  val bbox: BoundingBox = new BoundingBox()
  val controler: ControlerI = injector.getInstance(classOf[ControlerI])
  var beamConfig: BeamConfig = injector.getInstance(classOf[BeamConfig])
  val agentSimEventsBus = new AgentsimEventsBus
  val registry: ActorRef = Registry.start(injector.getInstance(classOf[ActorSystem]), "actor-registry")

  //TODO find a better way to inject the router, for now this is initilized inside Agentsim.notifyStartup
  var beamRouter : ActorRef = _
  var physSim: ActorRef = _
  var schedulerRef: ActorRef =_
  var taxiManager: ActorRef = _
  var persons: Map[Id[Person], Person] = Map()
  var vehicles: Map[Id[Vehicle], Vehicle] = Map()
  var households : Map[Id[Household], Household] = Map()
}

object BeamServices {
  implicit val askTimeout = Timeout(FiniteDuration(5L, TimeUnit.SECONDS))
} 

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

import akka.actor.ActorSystem
import beam.playground.akkaguice.{AkkaGuiceSupport, GuiceAkkaExtension}
import beam.sim.BeamServices
import beam.sim.modules.BeamAgentModule.ActorSystemProvider
import com.google.inject.{AbstractModule, Inject, Injector, Provider}
import com.typesafe.config.Config
import net.codingwell.scalaguice.ScalaModule
import org.slf4j.{Logger, LoggerFactory}


object BeamAgentModule {
  private val logger: Logger = LoggerFactory.getLogger(classOf[BeamAgentModule])

  class ActorSystemProvider @Inject()(val injector: Injector, config: Config) extends Provider[ActorSystem] {
    override def get(): ActorSystem = {
      val system = ActorSystem("beam-actor-system", config)
      // add the GuiceAkkaExtension to the system, and initialize it with the Guice injector
      GuiceAkkaExtension(system).initialize(injector)
      system
    }
  }
}


class BeamAgentModule extends AbstractModule with AkkaGuiceSupport with ScalaModule {
  override def configure(): Unit = {
    bind[ActorSystem].toProvider[ActorSystemProvider].asEagerSingleton()
    bind[BeamServices].asEagerSingleton()
//    bind[BeamAgentScheduler].asEagerSingleton()
  }
} 

//设置package包名称以及导入依赖的类
package org.scardiecat.styx.clustermanager.main

import akka.actor.ActorSystem
import com.google.inject.{Guice, Injector}
import com.typesafe.config.{ConfigFactory, Config}
import org.scardiecat.styx.DockerAkkaUtils
import org.scardiecat.styx.akkaguice.AkkaModule
import org.scardiecat.styx.clustermanager.di.ConfigModule
import org.scardiecat.styx.clustermanager.service.ClusterManagerService
import org.scardiecat.styx.utils.commandline.CommandlineParser
import net.codingwell.scalaguice.InjectorExtensions._
import akka.http.scaladsl.Http
import akka.stream.ActorMaterializer
import akka.actor.ActorSystem
import org.scradiecat.styx.clustermanager.membership.{MemberManagement, ClusterManagerInventory}

object ClusterManagerBoot extends App {

  val fallbackConfig:Config = ConfigFactory.load()
  var commandline = CommandlineParser.parse(args,meta.BuildInfo.name+":"+meta.BuildInfo.version, fallbackConfig, Seq[String]("cluster-manager"))
  val hostAddress: String = java.net.InetAddress.getLocalHost.getHostAddress
  lazy val actorSystemName:String = commandline.actorSystemName
  val config: Config = DockerAkkaUtils.dockerAkkaConfigProvider(fallbackConfig,hostAddress,commandline)

  val confModule = new ConfigModule(config, actorSystemName)
  val akkaModule = new AkkaModule()

  val injector: Injector = Guice.createInjector(confModule,akkaModule)

  implicit val system = injector.instance[ActorSystem]
  implicit val executionContext = system.dispatcher
  implicit val materializer = ActorMaterializer()

// register actor

  val monitorActor = system.actorOf(ClusterManagerInventory.props(), "ClusterManagerInventory")
  val managerActor = system.actorOf(MemberManagement.props(), "MemberManagement")

  //
//  override val config = ConfigFactory.load()
//  override val logger = Logging(system, getClass)

  Http().bindAndHandle(ClusterManagerService.ClusterRoute(monitorActor, managerActor), config.getString("http.interface"), config.getInt("http.port"))

} 

//设置package包名称以及导入依赖的类
package play.modules.io.joaovasques.playspark.akkaguice

import akka.actor.ActorSystem
import play.modules.io.joaovasques.playspark.akkaguice.AkkaModule.ActorSystemProvider
import com.google.inject.{AbstractModule, Injector, Provider}
import com.typesafe.config.Config
import net.codingwell.scalaguice.ScalaModule
import javax.inject.Inject

object AkkaModule {
  class ActorSystemProvider @Inject() (val config: Config, val injector: Injector) extends Provider[ActorSystem] {
    override def get() = {
      val system = ActorSystem("play-spark-main-actor-system", config)
      // add the GuiceAkkaExtension to the system, and initialize it with the Guice injector
      GuiceAkkaExtension(system).initialize(injector)
      system
    }
  }
}


class AkkaModule extends AbstractModule with ScalaModule {

  override def configure() {
    bind[ActorSystem].toProvider[ActorSystemProvider].asEagerSingleton()
  }
} 

//设置package包名称以及导入依赖的类
package com.gmadorell.youtube_sync.infrastructure.acceptance

import scala.concurrent.duration._

import com.gmadorell.bus.domain.event.EventBus
import com.gmadorell.youtube_sync.infrastructure.configuration.YoutubeSyncConfiguration
import com.gmadorell.youtube_sync.infrastructure.dependency_injection.YoutubeSyncGuiceModule
import com.gmadorell.youtube_sync.module.youtube.domain.PlayListVideoRepository
import com.google.inject.{Guice, Injector}
import net.codingwell.scalaguice.ScalaModule
import net.codingwell.scalaguice.InjectorExtensions._
import org.scalatest.{Matchers, WordSpec}
import org.scalatest.concurrent.ScalaFutures

abstract class YoutubeSyncAcceptanceTest extends AcceptanceTest {
  override def baseModule: ScalaModule = new YoutubeSyncGuiceModule

  override implicit def patienceConfig: PatienceConfig = PatienceConfig(10.seconds)

  def configuration(implicit injector: Injector): YoutubeSyncConfiguration =
    injector.instance[YoutubeSyncConfiguration]
  def eventBus(implicit injector: Injector): EventBus = injector.instance[EventBus]
  def playListVideoRepository(implicit injector: Injector): PlayListVideoRepository =
    injector.instance[PlayListVideoRepository]
}

abstract class AcceptanceTest extends WordSpec with ScalaFutures with Matchers {
  type TestResult = Unit
  type Test       = Injector => TestResult

  def baseModule: ScalaModule

  def runWithInjector(testToExecute: Test): TestResult =
    testToExecute(Guice.createInjector(baseModule))
} 

//设置package包名称以及导入依赖的类
package com.gmadorell.youtube_sync.infrastructure.integration

import com.gmadorell.youtube_sync.infrastructure.dependency_injection.YoutubeSyncGuiceModule
import com.gmadorell.youtube_sync.module.youtube.domain.{PlayListRepository, VideoRepository}
import com.google.inject.{Guice, Injector}
import net.codingwell.scalaguice.ScalaModule
import net.codingwell.scalaguice.InjectorExtensions._
import org.scalatest.{Matchers, WordSpec}
import org.scalatest.concurrent.ScalaFutures
import scala.concurrent.duration._

import com.gmadorell.youtube_sync.infrastructure.configuration.YoutubeSyncConfiguration

abstract class YoutubeSyncIntegrationTest extends IntegrationTest {
  override def baseModule: ScalaModule = new YoutubeSyncGuiceModule

  override implicit def patienceConfig: PatienceConfig = PatienceConfig(10.seconds)

  def configuration(implicit injector: Injector): YoutubeSyncConfiguration =
    injector.instance[YoutubeSyncConfiguration]
  def playListRepository(implicit injector: Injector): PlayListRepository = injector.instance[PlayListRepository]
  def videoRepository(implicit injector: Injector): VideoRepository       = injector.instance[VideoRepository]
}

abstract class IntegrationTest extends WordSpec with ScalaFutures with Matchers {
  type TestResult = Unit
  type Test       = Injector => TestResult

  def baseModule: ScalaModule

  def runWithInjector(testToExecute: Test): TestResult =
    testToExecute(Guice.createInjector(baseModule))
} 

//设置package包名称以及导入依赖的类
package com.gmadorell.youtube_sync.module.youtube.test.acceptance

import com.gmadorell.youtube_sync.infrastructure.acceptance.YoutubeSyncAcceptanceTest
import com.gmadorell.youtube_sync.module.youtube.application.video.VideoFetched
import com.gmadorell.youtube_sync.module.youtube.test.infrastructure.stub._
import com.google.inject.Injector

final class DownloadVideosOnVideoFetchedTest extends YoutubeSyncAcceptanceTest {
  "Videos" should {
    "be downloaded on video fetched event" in runWithInjector { implicit injector =>
      val videoFetched = obtainRandomVideoFetchedEventFromConfiguration()
      val playList = PlayListStub.create(id = PlayListIdStub.create(videoFetched.playListId),
                                         name = PlayListNameStub.create(videoFetched.playListName))
      val video = VideoStub.create(id = VideoIdStub.create(videoFetched.videoId),
                                   name = VideoNameStub.create(videoFetched.videoName))

      playListVideoRepository.exists(playList, video).futureValue shouldBe false

      val handleResult = eventBus.handle(videoFetched)
      handleResult.isRight shouldBe true
      handleResult.right.get.futureValue

      playListVideoRepository.exists(playList, video).futureValue shouldBe true
    }
  }

  private def obtainRandomVideoFetchedEventFromConfiguration()(implicit injector: Injector): VideoFetched = {
    configuration.test.playLists.flatMap { playListConfiguration =>
      playListConfiguration.videos.map(
        videoConfig =>
          VideoFetchedStub.create(
            channelId = configuration.test.dummyChannelId,
            playListId = playListConfiguration.playListId,
            playListName = playListConfiguration.name,
            videoId = videoConfig.videoId,
            videoName = videoConfig.videoName
        ))
    }
  }.head
} 

//设置package包名称以及导入依赖的类
package com.lightbend.lagom.internal.javadsl.persistence.jdbc

import javax.inject.{ Inject, Singleton }

import akka.actor.ActorSystem
import akka.persistence.jdbc.query.scaladsl.JdbcReadJournal
import akka.persistence.query.scaladsl.EventsByTagQuery
import akka.persistence.query.{ NoOffset, PersistenceQuery, Sequence, Offset => AkkaOffset }
import com.google.inject.Injector
import com.lightbend.lagom.internal.javadsl.persistence.AbstractPersistentEntityRegistry
import com.lightbend.lagom.javadsl.persistence.{ Offset, PersistentEntity }


@Singleton
private[lagom] final class JdbcPersistentEntityRegistry @Inject() (system: ActorSystem, injector: Injector, slickProvider: SlickProvider)
  extends AbstractPersistentEntityRegistry(system, injector) {

  private lazy val ensureTablesCreated = slickProvider.ensureTablesCreated()

  override def register[C, E, S](entityClass: Class[_ <: PersistentEntity[C, E, S]]): Unit = {
    ensureTablesCreated
    super.register(entityClass)
  }

  override protected val journalId: String = JdbcReadJournal.Identifier
  private val jdbcReadJournal = PersistenceQuery(system).readJournalFor[JdbcReadJournal](journalId)
  override protected val eventsByTagQuery: Option[EventsByTagQuery] = Some(jdbcReadJournal)

  override protected def mapStartingOffset(storedOffset: Offset): AkkaOffset = storedOffset match {
    case Offset.NONE          => NoOffset
    case seq: Offset.Sequence => Sequence(seq.value() + 1)
    case other =>
      throw new IllegalArgumentException(s"JDBC does not support ${other.getClass.getSimpleName} offsets")
  }

} 

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

import de.htwg.se.wills_quest.b_ui.impl.Tui
import com.google.inject.{Guice, Injector}
import de.htwg.se.wills_quest.a_WillsQuest.{AttackFactory, PersonFactory}
import de.htwg.se.wills_quest.d_model.impl.JsonParser
import de.htwg.se.wills_quest.c_controller.impl.Controller
import de.htwg.se.wills_quest.d_model.impl.Person
import de.htwg.se.wills_quest.util.WillsQuestInjector
import org.scalatest.{Matchers, WordSpec}

import scala.collection.mutable.ArrayBuffer


class TuiSpec extends WordSpec with Matchers {

  val will_pics = Array("Will_combat.png", "Will_auffordern.png", "Will_frozen.png")
  val will = PersonFactory("will", "Will", "Default.png", 120, null)
  val putzfrau_pics = Array("putzfrau_intro.png", "Putzfrau_Combat.png", "putzfrau_frozen.png")
  val putzfrau_attacks = AttackFactory(Map("Mobwirbel" -> 20, "Wischen" -> 10))
  val putzfrau = PersonFactory("enemy", "Putzfrau", "Default.png", 120, putzfrau_attacks)
  val buecherwurm_pics = Array("Bucherwurm_Intro.png", "Bucherwurm_combat.png", "Buecherwurm_frozen.png")
  val buechderwurm_attacks = AttackFactory(Map("Buecherwurf" -> 30, "Klausurvorbereitung" -> 35, "Prüfungsstress" -> 40))
  val buecherwurm = PersonFactory("enemy", "Bücherwurm", "Default.png", 120, buechderwurm_attacks)
  val bauingenieur_pics = Array("Bauingenieur_Intro.png", "Bauingenieur_combat.png", "Bauingenieur_frozen.png")
  val bauingenieur_attacks = AttackFactory(Map("Bellen" -> 20, "Wetttrinken" -> 38))
  val bauingenieur = PersonFactory("enemy", "Bauingenieur", "Default.png", 120, bauingenieur_attacks)
  val erstsemester_pics = Array("Erstsemester_Intro.png", "Erstsemester_combat.png", "Erstsemester_frozen.png")
  val erstsemester_attacks = AttackFactory(Map("Nasepudern" -> 30))
  val erstsemester = PersonFactory("enemy", "Erstsemester", "Default.png", 120, erstsemester_attacks)
  val professor_pics = Array("Professor_Intro.png", "Professor_combat.png", "Professor_frozen.png")
  val professor_attacks = AttackFactory(Map("Laiserpointer" -> 40, "Redetalent" -> 50))
  val professor = PersonFactory("enemy", "Professor", "Default.png", 120, professor_attacks)
  val persons = new ArrayBuffer[Person]
  persons.append(will, putzfrau, buecherwurm, bauingenieur, erstsemester, professor)

  val jsonParser = new JsonParser
  val injector:Injector = Guice.createInjector(new WillsQuestInjector)
  val controller = new Controller(persons, jsonParser, 1, injector)
  val tui = new Tui(controller)

  "A tui" should {
    "have a level" in {
      tui.level should be(1)
    }

    "should be ready" in {
      tui.ready should be(true)
    }

    "can update the observers" in {
      tui.update()
      tui.level should be(1)
    }

    "can process an input line" in {
      tui.processInputLine("q") should be(false)
    }
  }
}