Merge pull request #202 from dskrvk/remove_pubsub0204

Remove PubSubServer and dependency on Akka

Author: debasishg

build.sbt

@@ -0,0 +1,59 @@
+name := "RedisClient"
+
+lazy val redisClient = (project in file(".")).settings(coreSettings : _*)
+
+lazy val commonSettings: Seq[Setting[_]] = Seq(
+  organization := "net.debasishg",
+  version := "3.6",
+  scalaVersion := "2.11.12",
+  crossScalaVersions := Seq("2.12.4", "2.11.12", "2.10.7"),
+
+  scalacOptions in Compile ++= Seq( "-unchecked", "-feature", "-language:postfixOps", "-deprecation" ),
+
+  resolvers ++= Seq(
+    "typesafe repo" at "http://repo.typesafe.com/typesafe/releases/"
+  )
+)
+
+lazy val coreSettings = commonSettings ++ Seq(
+  name := "RedisClient",
+  libraryDependencies ++= Seq(
+    "commons-pool"      %  "commons-pool"            % "1.6",
+    "org.slf4j"         %  "slf4j-api"               % "1.7.25",
+    "org.slf4j"         %  "slf4j-log4j12"           % "1.7.25"     % "provided",
+    "log4j"             %  "log4j"                   % "1.2.17"     % "provided",
+    "junit"             %  "junit"                   % "4.12"       % "test",
+    "org.scalatest"     %%  "scalatest"              % "3.0.4"      % "test"),
+
+  parallelExecution in Test := false,
+  publishTo := version { (v: String) =>
+    val nexus = "https://oss.sonatype.org/"
+    if (v.trim.endsWith("SNAPSHOT")) Some("snapshots" at nexus + "content/repositories/snapshots")
+    else Some("releases" at nexus + "service/local/staging/deploy/maven2")
+  }.value,
+  credentials += Credentials(Path.userHome / ".sbt" / "sonatype.credentials"),
+  publishMavenStyle := true,
+  publishArtifact in Test := false,
+  pomIncludeRepository := { repo => false },
+  pomExtra := (
+    <url>https://github.com/debasishg/scala-redis</url>
+    <licenses>
+      <license>
+        <name>Apache 2.0 License</name>
+        <url>http://www.apache.org/licenses/LICENSE-2.0.html</url>
+        <distribution>repo</distribution>
+      </license>
+    </licenses>
+    <scm>
+      <url>git@github.com:debasishg/scala-redis.git</url>
+      <connection>scm:git:git@github.com:debasishg/scala-redis.git</connection>
+    </scm>
+    <developers>
+      <developer>
+        <id>debasishg</id>
+        <name>Debasish Ghosh</name>
+        <url>http://debasishg.blogspot.com</url>
+      </developer>
+    </developers>),
+  unmanagedResources in Compile += baseDirectory.map( _ / "LICENSE" ).value
+)

project/ScalaRedisProject.scala

@@ -1 +1 @@
-sbt.version=0.13.17
+sbt.version=1.1.0

project/build.properties

@@ -1,9 +1,8 @@
 package com.redis
 
 import serialization._
-import scala.concurrent.{ ExecutionContext, Await, Future }
+import scala.concurrent.{ Await, Future }
 import scala.concurrent.duration._
-import akka.actor.ActorSystem
 
 /**
  * Implementing some of the common patterns like scatter/gather, which can benefit from
@@ -25,25 +24,24 @@ object Patterns {
   def listPush(count: Int, key: String)(implicit clients: RedisClientPool) = { 
     clients.withClient { client =>
       (1 to count) foreach {i => client.rpush(key, i)}
-      assert(client.llen(key) == Some(count))
+      assert(client.llen(key).contains(count))
     }
     key
   }
 
   def listPop(count: Int, key: String)(implicit clients: RedisClientPool) = {
-    implicit val parseInt = Parse[Long](new String(_).toLong)
+    implicit val parseInt: Parse[Long] = Parse[Long](new String(_).toLong)
     clients.withClient { client =>
-      val list = (1 to count) map {i => client.lpop[Long](key).get}
-      assert(client.llen(key) == Some(0))
+      val list = (1 to count) map {_ => client.lpop[Long](key).get}
+      assert(client.llen(key).contains(0))
       list.sum
     }
   }
 
   // set up Executors
-  val system = ActorSystem("ScatterGatherSystem")
-  import system.dispatcher
+  import scala.concurrent.ExecutionContext.Implicits.global
 
-  val timeout = 5 minutes
+  val timeout: Duration = 5 minutes
 
   private[this] def flow[A](noOfRecipients: Int, opsPerClient: Int, keyPrefix: String, 
     fn: (Int, String) => A) = {
@@ -69,7 +67,7 @@ object Patterns {
       val allPops = Future.sequence(futurePops)
       allPops map {members => members.sum}
     }
-    Await.result(allSum, timeout).asInstanceOf[Long]
+    Await.result(allSum, timeout)
   }
 
   // scatter across clietns and gather the first future to complete
@@ -84,6 +82,6 @@ object Patterns {
     val firstSum = firstPush map {key =>
       listPop(opsPerClient, key)
     }
-    Await.result(firstSum, timeout).asInstanceOf[Int]
+    Await.result(firstSum, timeout)
   }
 }