org.apache.pekko.grpc.internal.PekkoDiscoveryNameResolverProvider.scala Maven / Gradle / Ivy

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Apache Pekko gRPC - Support for building streaming gRPC servers and clients on top of Pekko Streams.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * license agreements; and to You under the Apache License, version 2.0:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * This file is part of the Apache Pekko project, which was derived from Akka.
 */

/*
 * Copyright (C) 2020-2021 Lightbend Inc. 
 */

package org.apache.pekko.grpc.internal

import java.net.URI

import org.apache.pekko.discovery.ServiceDiscovery
import io.grpc.{ NameResolver, NameResolverProvider }

import scala.concurrent.ExecutionContext
import scala.concurrent.duration.FiniteDuration

class PekkoDiscoveryNameResolverProvider(
    discovery: ServiceDiscovery,
    defaultPort: Int,
    serviceName: String,
    portName: Option[String],
    protocol: Option[String],
    resolveTimeout: FiniteDuration)(implicit ec: ExecutionContext)
    extends NameResolverProvider {
  override def isAvailable: Boolean = true

  override def priority(): Int = 5

  override def getDefaultScheme: String = "http"

  override def newNameResolver(targetUri: URI, args: NameResolver.Args): PekkoDiscoveryNameResolver =
    new PekkoDiscoveryNameResolver(discovery, defaultPort, serviceName, portName, protocol, resolveTimeout)

}