Scala ServiceCall类代码示例

//设置package包名称以及导入依赖的类
package com.chriswk.gameranker.player.impl

import java.util.UUID

import akka.actor.ActorSystem
import akka.persistence.cassandra.query.scaladsl.CassandraReadJournal
import akka.persistence.query.PersistenceQuery
import akka.stream.Materializer
import akka.stream.scaladsl.Sink
import com.chriswk.gameranker.player.api
import com.chriswk.gameranker.player.api.PlayerService
import com.lightbend.lagom.scaladsl.api.ServiceCall
import com.lightbend.lagom.scaladsl.api.transport.NotFound
import com.lightbend.lagom.scaladsl.persistence.PersistentEntityRegistry

import scala.concurrent.ExecutionContext

class PlayerServiceImpl(registry: PersistentEntityRegistry, system: ActorSystem)(implicit ec: ExecutionContext, mat: Materializer) extends PlayerService {
  private val currentIdsQuery = PersistenceQuery(system).readJournalFor[CassandraReadJournal](CassandraReadJournal.Identifier)

  override def createPlayer = ServiceCall { createPlayer =>
    val playerId = UUID.randomUUID()
    refFor(playerId).ask(CreatePlayer(createPlayer.name)).map { _ =>
      api.Player(playerId, createPlayer.name)
    }
  }

  override def getPlayer(playerId: UUID) = ServiceCall { _ =>
    refFor(playerId).ask(GetPlayer).map {
      case Some(player) => api.Player(playerId, player.name)
      case None => throw NotFound(s"Player with id $playerId")
    }

  }

  private def refFor(playerId: UUID) = registry.refFor[PlayerEntity](playerId.toString)

  override def getPlayers = ServiceCall { _ =>
    currentIdsQuery.currentPersistenceIds()
      .filter(_.startsWith("PlayerEntity|"))
      .mapAsync(4) { id =>
        val entityId = id.split("\\|", 2).last
        registry.refFor[PlayerEntity](entityId)
          .ask(GetPlayer)
          .map(_.map(player => api.Player(UUID.fromString(entityId), player.name)))
      }
      .collect {
        case Some(p) => p
      }
      .runWith(Sink.seq)
  }
} 

//设置package包名称以及导入依赖的类
package com.inocybe.lagomneo4jsample.impl

import com.inocybe.lagomneo4jsample.api.Lagomneo4jsampleService
import com.inocybe.lagomneo4jsample.model.RecipeIn
import com.lightbend.lagom.scaladsl.api.ServiceCall
import com.lightbend.lagom.scaladsl.persistence.{PersistentEntity, PersistentEntityRegistry}

import scala.concurrent.ExecutionContext


class Lagomneo4jsampleServiceImpl(persistentEntities: PersistentEntityRegistry) extends Lagomneo4jsampleService {

  override def getRecipe(id: String) = ServiceCall { _ =>
    // Look up the lagom-neo4j-sample entity for the given ID.
    val ref = persistentEntities.refFor[Lagomneo4jsampleEntity](Lagomneo4jsampleService.entityId)

    // Ask the entity the Hello command.
    ref.ask(GetRecipe(id))
  }

  override def addRecipe = ServiceCall { _  =>
    // Look up the lagom-neo4j-sample entity for the given ID.
    val ref = persistentEntities.refFor[Lagomneo4jsampleEntity](Lagomneo4jsampleService.entityId)

    // Tell the entity to use the greeting message specified.
    ref.ask(AddRecipe())
  }
} 

//设置package包名称以及导入依赖的类
package com.inocybe.lagomneo4jsample.api

import akka.{Done, NotUsed}
import com.inocybe.lagomneo4jsample.model.RecipeOut
import com.lightbend.lagom.scaladsl.api.transport.Method
import com.lightbend.lagom.scaladsl.api.{Service, ServiceCall}

object Lagomneo4jsampleService {
  val entityId: String = "my-entity"
}
trait Lagomneo4jsampleService extends Service {

  
  def getRecipe(id: String): ServiceCall[NotUsed, RecipeOut]

  override final def descriptor = {
    import Service._
    // @formatter:off
    named("recipe-service").withCalls(
      restCall(Method.POST,   "/recipes/",    this.addRecipe),
      restCall(Method.GET,    "/recipes/:id", getRecipe _)
    ).withAutoAcl(true)
    // @formatter:on
  }
} 

//设置package包名称以及导入依赖的类
package sample.helloworld.api

import akka.{Done, NotUsed}
import com.lightbend.lagom.scaladsl.api.broker.Topic
import com.lightbend.lagom.scaladsl.api.{Service, ServiceCall}
import sample.helloworld.api.model.GreetingMessage


  def useGreeting(id: String): ServiceCall[GreetingMessage, Done]

  override final def descriptor = {
    import Service._
    // @formatter:off
    named("hello").withCalls(
      pathCall("/api/hello/:id", hello _),
      pathCall("/api/hello/:id", useGreeting _)
    ).withTopics(
          topic(HelloService.TOPIC_NAME, greetingsTopic)
     ).withAutoAcl(true)
    // @formatter:on
  }

  // The topic handle
  def greetingsTopic(): Topic[GreetingMessage]
}

object HelloService  {
  val TOPIC_NAME = "wordCount"
} 

//设置package包名称以及导入依赖的类
package sample.helloworld.impl

import com.lightbend.lagom.scaladsl.api.ServiceCall
import com.lightbend.lagom.scaladsl.api.broker.Topic
import com.lightbend.lagom.scaladsl.broker.TopicProducer
import com.lightbend.lagom.scaladsl.persistence.{EventStreamElement, PersistentEntityRegistry}
import sample.helloworld.api.model.GreetingMessage
import sample.helloworld.api.HelloService


class HelloServiceImpl(persistentEntityRegistry: PersistentEntityRegistry) extends HelloService {

  override def hello(id: String) = ServiceCall { _ =>
    // Look up the Hello entity for the given ID.
    val ref = persistentEntityRegistry.refFor[HelloEntity](id)

    // Ask the entity the Hello command.
    ref.ask(Hello(id, None))
  }

  override def useGreeting(id: String) = ServiceCall { request =>
    // Look up the Hello entity for the given ID.
         val ref = persistentEntityRegistry.refFor[HelloEntity](id)

    // Tell the entity to use the greeting message specified.
    ref.ask(UseGreetingMessage(request.message))
  }

  override def greetingsTopic(): Topic[GreetingMessage] = {
    TopicProducer.singleStreamWithOffset {
      offset =>
        persistentEntityRegistry.eventStream(HelloEventTag.instance, offset)
          .map(ev => (convertEvent(ev), offset))
    }
  }

  private def convertEvent(helloEvent: EventStreamElement[HelloEvent]): GreetingMessage = {
    helloEvent.event match {
      case GreetingMessageChanged(msg) => GreetingMessage(msg)
    }
  }

} 

//设置package包名称以及导入依赖的类
package sample.helloworldconsumer.impl

import akka.stream.scaladsl.Flow
import akka.{Done, NotUsed}
import com.lightbend.lagom.scaladsl.api.ServiceCall
import com.lightbend.lagom.scaladsl.persistence.PersistentEntityRegistry
import sample.helloworld.api.HelloService
import sample.helloworld.api.model.GreetingMessage
import sample.helloworldconsumer.api.HelloConsumerService
import sample.helloworldconsumer.impl.repositories.MessageRepository


class HelloConsumerServiceImpl (registery: PersistentEntityRegistry ,helloService: HelloService ,msgRepository:MessageRepository) extends HelloConsumerService {

  helloService.greetingsTopic
    .subscribe
    .atLeastOnce(
      Flow[GreetingMessage].map{ msg =>
        putGreetingMessage(msg)
        Done
      }
    )

  var lastObservedMessage: String = _
  private def putGreetingMessage(greetingMessage: GreetingMessage) = {
    println(s"obersrve new message ${greetingMessage.message}")
    entityRef(greetingMessage.message.toString).ask(SaveNewMessage(greetingMessage.message))
    lastObservedMessage = greetingMessage.message
  }

  override def findTopHundredWordCounts(): ServiceCall[NotUsed, Map[String, Int]] = ServiceCall {
        //fetch top 100 message and perform word count
    req => msgRepository.fetchAndCountWordsFromMessages(100)
  }

  override  def foo():ServiceCall[NotUsed, String] = ServiceCall{
    req => scala.concurrent.Future.successful(lastObservedMessage)
  }

  private def entityRef(id: String) = registery.refFor[MessageEntity](id)
} 

//设置package包名称以及导入依赖的类
package sample.helloworldconsumer.api

import akka.NotUsed
import com.lightbend.lagom.scaladsl.api.{Service, ServiceCall}
import com.lightbend.lagom.scaladsl.api.transport.Method
import play.api.libs.json.{Format, Json}

trait HelloConsumerService extends Service {

  override def descriptor = {
    import Service._

    named("wordCounts").withCalls(
      restCall(Method.GET, "/api/wordcount", findTopHundredWordCounts _),
      restCall(Method.GET, "/api/foo", foo)
    ).withAutoAcl(true)
  }

  def findTopHundredWordCounts(): ServiceCall[NotUsed, Map[String, Int]]

  def foo(): ServiceCall[NotUsed, String]

  case class WordDetails(word: String, count: String)

  object WordDetails {
    implicit val format: Format[WordDetails] = Json.format
  }
} 

//设置package包名称以及导入依赖的类
package com.example.lagomhandsondevelopment.impl

import com.lightbend.lagom.scaladsl.api.ServiceCall
import com.lightbend.lagom.scaladsl.persistence.PersistentEntityRegistry
import com.example.lagomhandsondevelopment.api.LagomhandsondevelopmentService


class LagomhandsondevelopmentServiceImpl(persistentEntityRegistry: PersistentEntityRegistry) extends LagomhandsondevelopmentService {

  override def hello(id: String) = ServiceCall { _ =>
    // Look up the lagom-hands-on-development entity for the given ID.
    val ref = persistentEntityRegistry.refFor[LagomhandsondevelopmentEntity](id)

    // Ask the entity the Hello command.
    ref.ask(Hello(id, None))
  }

  override def useGreeting(id: String) = ServiceCall { request =>
    // Look up the lagom-hands-on-development entity for the given ID.
    val ref = persistentEntityRegistry.refFor[LagomhandsondevelopmentEntity](id)

    // Tell the entity to use the greeting message specified.
    ref.ask(UseGreetingMessage(request.message))
  }
} 

//设置package包名称以及导入依赖的类
package org.ioreskovic.greatmaterialcontinuum.api

import akka.{Done, NotUsed}
import com.lightbend.lagom.scaladsl.api.transport.Method
import com.lightbend.lagom.scaladsl.api.{Descriptor, Service, ServiceCall}

trait AccountService extends Service {

  def createAccount(): ServiceCall[Account, Done]

  def deleteAccount(username: String): ServiceCall[NotUsed, Done]

  def activateAccount(username: String): ServiceCall[NotUsed, Done]

  def deactivateAccount(username: String): ServiceCall[NotUsed, Done]

  def getAccount(username: String): ServiceCall[NotUsed, Account]

  override final def descriptor: Descriptor = {
    import Service._
    // @formatter:off
    named("accounts")
      .withCalls(
        restCall(Method.POST, "/api/accounts/", createAccount _),
        restCall(Method.DELETE, "/api/accounts/:username", deleteAccount _),
        restCall(Method.GET, "/api/accounts/:username/activation", activateAccount _),
        restCall(Method.GET, "/api/accounts/:username/deactivation", deactivateAccount _),
        restCall(Method.GET, "/api/accounts/:username", getAccount _)
      )
      .withAutoAcl(true)
    // @formatter:on
  }
} 

//设置package包名称以及导入依赖的类
package org.ioreskovic.greatmaterialcontinuum.impl

import akka.{Done, NotUsed}
import com.lightbend.lagom.scaladsl.api.ServiceCall
import com.lightbend.lagom.scaladsl.persistence.PersistentEntityRegistry
import org.ioreskovic.greatmaterialcontinuum.api.{Account, AccountService}
import org.ioreskovic.greatmaterialcontinuum.impl.cmd.acc._
import org.ioreskovic.greatmaterialcontinuum.impl.ent.acc.AccountEntity

class AccountServiceImpl(persistentEntityRegistry: PersistentEntityRegistry) extends AccountService {
  override def createAccount(): ServiceCall[Account, Done] = ServiceCall { account =>
    persistentEntityRegistry.refFor[AccountEntity](account.username).ask(CreateAccount(account))
  }

  override def deleteAccount(username: String): ServiceCall[NotUsed, Done] = ServiceCall { _ =>
    persistentEntityRegistry.refFor[AccountEntity](username).ask(DeleteAccount(username))
  }

  override def activateAccount(username: String): ServiceCall[NotUsed, Done] = ServiceCall { _ =>
    persistentEntityRegistry.refFor[AccountEntity](username).ask(ActivateAccount(username))
  }

  override def deactivateAccount(username: String): ServiceCall[NotUsed, Done] = ServiceCall { _ =>
    persistentEntityRegistry.refFor[AccountEntity](username).ask(DeactivateAccount(username))
  }

  override def getAccount(username: String): ServiceCall[NotUsed, Account] = ServiceCall { _ =>
    persistentEntityRegistry.refFor[AccountEntity](username).ask(RetrieveAccount(username))
  }
} 

//设置package包名称以及导入依赖的类
package se.hultner.hello.impl

import com.lightbend.lagom.scaladsl.api.ServiceCall
import com.lightbend.lagom.scaladsl.persistence.PersistentEntityRegistry
import se.hultner.hello.api.HelloService


class HelloServiceImpl(persistentEntityRegistry: PersistentEntityRegistry) extends HelloService {

  override def hello(id: String) = ServiceCall { _ =>
    // Look up the Hello entity for the given ID.
    val ref = persistentEntityRegistry.refFor[HelloEntity](id)

    // Ask the entity the Hello command.
    ref.ask(Hello(id, None))
  }

  override def useGreeting(id: String) = ServiceCall { request =>
    // Look up the Hello entity for the given ID.
    val ref = persistentEntityRegistry.refFor[HelloEntity](id)

    // Tell the entity to use the greeting message specified.
    ref.ask(UseGreetingMessage(request.message))
  }
} 

//设置package包名称以及导入依赖的类
package com.chriswk.gameranker.player.api

import java.util.UUID

import akka.NotUsed
import com.lightbend.lagom.scaladsl.api.{Service, ServiceCall}
import play.api.libs.json.{Format, Json}

trait PlayerService extends Service {
  def createPlayer: ServiceCall[CreatePlayer, Player]

  def getPlayer(playerId: UUID): ServiceCall[NotUsed, Player]

  def getPlayers: ServiceCall[NotUsed, Seq[Player]]

  override def descriptor = {
    import Service._
    named("player").withCalls(
      pathCall("/api/player", createPlayer),
      pathCall("/api/player/:id", getPlayer _),
      pathCall("/api/player", getPlayers)
    )
  }
}

case class Player(id: UUID, name: String)

object Player {
  implicit val format: Format[Player] = Json.format
}

case class CreatePlayer(name: String)

object CreatePlayer {
  implicit val format: Format[CreatePlayer] = Json.format
} 

//设置package包名称以及导入依赖的类
package org.wex.cmsfs.collect.ssh.api

import akka.Done
import com.lightbend.lagom.scaladsl.api.transport.Method
import com.lightbend.lagom.scaladsl.api.{Service, ServiceCall}
import org.wex.cmsfs.common.`object`.CoreMonitorDetailForSsh

object CollectSSHService {
  val SERVICE_NAME = "collect-ssh"
}

trait CollectSSHService extends Service {

  def pushCollectItem: ServiceCall[CoreMonitorDetailForSsh, Done]

  override final def descriptor = {
    import Service._
    import CollectSSHService._
    named(SERVICE_NAME).withCalls(
      restCall(Method.POST, "/v1/collect", pushCollectItem)
    )
  }
} 

//设置package包名称以及导入依赖的类
package org.wex.cmsfs.notification.impl

import com.lightbend.lagom.scaladsl.api.{CircuitBreaker, Service, ServiceCall}

object NotificationService {
  val SERVICE_NAME = "notification"
}

trait NotificationService extends Service {

  def pushNotificationItem: ServiceCall[String, String]

  override final def descriptor = {
    import NotificationService._
    import Service._
    named(SERVICE_NAME).withCalls(
      pathCall("/mns-web/services/rest/msgNotify", pushNotificationItem)
        .withCircuitBreaker(CircuitBreaker.identifiedBy("alarm-circuitbreaker"))
    )
  }
} 

//设置package包名称以及导入依赖的类
package org.wex.cmsfs.elasticsearch.api

import akka.Done
import com.lightbend.lagom.scaladsl.api.{CircuitBreaker, Service, ServiceCall}
import com.lightbend.lagom.scaladsl.api.transport.Method

object ElasticsearchService {
  val SERVICE_NAME = "elastic-search"
}

trait ElasticsearchService extends Service {

  def pushElasticsearchItem(_index: String, _type: String): ServiceCall[String, Done]

  override final def descriptor = {
    import ElasticsearchService._
    import Service._
    named(SERVICE_NAME).withCalls(
      restCall(Method.POST, "/:_index/:_type", pushElasticsearchItem _)
        .withCircuitBreaker(CircuitBreaker.identifiedBy("elasticsearch-circuitbreaker"))
    )
  }
}