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=clt #18343 Improve structure of DistPubSub docs

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This commit is contained in:
Patrik Nordwall 2015-09-11 15:48:49 +02:00
parent 02d0452f23
commit a3ced0a38a
4 changed files with 330 additions and 138 deletions
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71
akka-cluster-tools/src/multi-jvm/scala/akka/cluster/pubsub/DistributedPubSubMediatorSpec.scala
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@ -82,16 +82,41 @@ object DistributedPubSubMediatorSpec extends MultiNodeConfig {
mediator ! Subscribe("content", self)
def receive = {
case s: String ⇒
log.info("Got {}", s)
case SubscribeAck(Subscribe("content", None, `self`)) ⇒
context become ready
log.info("subscribing");
}
}
//#subscriber
def ready: Actor.Receive = {
//#sender
class Sender extends Actor {
import DistributedPubSubMediator.Send
// activate the extension
val mediator = DistributedPubSub(context.system).mediator
def receive = {
case in: String ⇒
val out = in.toUpperCase
mediator ! Send(path = "/user/destination", msg = out, localAffinity = true)
}
}
//#sender
//#send-destination
class Destination extends Actor with ActorLogging {
import DistributedPubSubMediator.Put
val mediator = DistributedPubSub(context.system).mediator
// register to the path
mediator ! Put(self)
def receive = {
case s: String ⇒
log.info("Got {}", s)
}
}
//#subscriber
//#send-destination
}
@ -301,7 +326,7 @@ class DistributedPubSubMediatorSpec extends MultiNodeSpec(DistributedPubSubMedia
enterBarrier("after-7")
}
"demonstrate usage" in within(15 seconds) {
"demonstrate usage of Publish" in within(15 seconds) {
def later(): Unit = {
awaitCount(10)
}
@ -328,12 +353,38 @@ class DistributedPubSubMediatorSpec extends MultiNodeSpec(DistributedPubSubMedia
enterBarrier("after-8")
}
"demonstrate usage of Send" in within(15 seconds) {
def later(): Unit = {
awaitCount(12)
}
//#start-send-destinations
runOn(first) {
system.actorOf(Props[Destination], "destination")
}
runOn(second) {
system.actorOf(Props[Destination], "destination")
}
//#start-send-destinations
//#send-message
runOn(third) {
val sender = system.actorOf(Props[Sender], "sender")
later()
// after a while the destinations are replicated
sender ! "hello"
}
//#send-message
enterBarrier("after-8")
}
"send-all to all other nodes" in within(15 seconds) {
runOn(first, second, third) { // create the user on all nodes
val u11 = createChatUser("u11")
mediator ! Put(u11)
}
awaitCount(13)
awaitCount(15)
enterBarrier("11-registered")
runOn(third) {
@ -366,7 +417,7 @@ class DistributedPubSubMediatorSpec extends MultiNodeSpec(DistributedPubSubMedia
u13 ! JoinGroup("topic2", "group2")
expectMsg(SubscribeAck(Subscribe("topic2", Some("group2"), u13)))
}
awaitCount(17)
awaitCount(19)
enterBarrier("12-registered")
runOn(first) {
@ -406,8 +457,8 @@ class DistributedPubSubMediatorSpec extends MultiNodeSpec(DistributedPubSubMedia
mediator ! Status(versions = Map.empty)
val deltaBuckets = expectMsgType[Delta].buckets
deltaBuckets.size should ===(3)
deltaBuckets.find(_.owner == firstAddress).get.content.size should ===(9)
deltaBuckets.find(_.owner == secondAddress).get.content.size should ===(8)
deltaBuckets.find(_.owner == firstAddress).get.content.size should ===(10)
deltaBuckets.find(_.owner == secondAddress).get.content.size should ===(9)
deltaBuckets.find(_.owner == thirdAddress).get.content.size should ===(2)
}
enterBarrier("verified-initial-delta")
@ -429,12 +480,12 @@ class DistributedPubSubMediatorSpec extends MultiNodeSpec(DistributedPubSubMedia
mediator ! Status(versions = deltaBuckets2.map(b ⇒ b.owner -> b.version).toMap)
val deltaBuckets3 = expectMsgType[Delta].buckets
deltaBuckets3.map(_.content.size).sum should ===(9 + 8 + 2 + many - 500 - 500)
deltaBuckets3.map(_.content.size).sum should ===(10 + 9 + 2 + many - 500 - 500)
}
enterBarrier("verified-delta-with-many")
within(10.seconds) {
awaitCount(17 + many)
awaitCount(19 + many)
}
enterBarrier("after-13")