Typed Distributed Data requires untyped Cluster #25746 (#26074)

Typed Distributed Data requires untyped Cluster [#25746](https://github.com/akka/akka/issues/25746)
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Helena Edelson 2018-12-14 15:53:08 -05:00 committed by GitHub
parent 2c145cd3c3
commit 8a44fca087
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44 changed files with 656 additions and 368 deletions

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@ -5,8 +5,8 @@
package docs.ddata
import scala.concurrent.duration._
import akka.actor.Actor
import akka.cluster.Cluster
import akka.cluster.ddata._
import akka.testkit.AkkaSpec
import akka.testkit.TestProbe
@ -63,7 +63,7 @@ object DistributedDataDocSpec {
import DataBot._
val replicator = DistributedData(context.system).replicator
implicit val node = Cluster(context.system)
implicit val node = DistributedData(context.system).selfUniqueAddress
import context.dispatcher
val tickTask = context.system.scheduler.schedule(5.seconds, 5.seconds, self, Tick)
@ -78,11 +78,11 @@ object DistributedDataDocSpec {
if (ThreadLocalRandom.current().nextBoolean()) {
// add
log.info("Adding: {}", s)
replicator ! Update(DataKey, ORSet.empty[String], WriteLocal)(_ + s)
replicator ! Update(DataKey, ORSet.empty[String], WriteLocal)(_ :+ s)
} else {
// remove
log.info("Removing: {}", s)
replicator ! Update(DataKey, ORSet.empty[String], WriteLocal)(_ - s)
replicator ! Update(DataKey, ORSet.empty[String], WriteLocal)(_ remove s)
}
case _: UpdateResponse[_] // ignore
@ -107,7 +107,7 @@ class DistributedDataDocSpec extends AkkaSpec(DistributedDataDocSpec.config) {
implicit val self = probe.ref
//#update
implicit val node = Cluster(system)
implicit val node = DistributedData(system).selfUniqueAddress
val replicator = DistributedData(system).replicator
val Counter1Key = PNCounterKey("counter1")
@ -115,13 +115,13 @@ class DistributedDataDocSpec extends AkkaSpec(DistributedDataDocSpec.config) {
val Set2Key = ORSetKey[String]("set2")
val ActiveFlagKey = FlagKey("active")
replicator ! Update(Counter1Key, PNCounter(), WriteLocal)(_ + 1)
replicator ! Update(Counter1Key, PNCounter(), WriteLocal)(_ :+ 1)
val writeTo3 = WriteTo(n = 3, timeout = 1.second)
replicator ! Update(Set1Key, GSet.empty[String], writeTo3)(_ + "hello")
val writeMajority = WriteMajority(timeout = 5.seconds)
replicator ! Update(Set2Key, ORSet.empty[String], writeMajority)(_ + "hello")
replicator ! Update(Set2Key, ORSet.empty[String], writeMajority)(_ :+ "hello")
val writeAll = WriteAll(timeout = 5.seconds)
replicator ! Update(ActiveFlagKey, Flag.Disabled, writeAll)(_.switchOn)
@ -152,7 +152,7 @@ class DistributedDataDocSpec extends AkkaSpec(DistributedDataDocSpec.config) {
def sender() = self
//#update-request-context
implicit val node = Cluster(system)
implicit val node = DistributedData(system).selfUniqueAddress
val replicator = DistributedData(system).replicator
val writeTwo = WriteTo(n = 2, timeout = 3.second)
val Counter1Key = PNCounterKey("counter1")
@ -160,7 +160,7 @@ class DistributedDataDocSpec extends AkkaSpec(DistributedDataDocSpec.config) {
def receive: Receive = {
case "increment"
// incoming command to increase the counter
val upd = Update(Counter1Key, PNCounter(), writeTwo, request = Some(sender()))(_ + 1)
val upd = Update(Counter1Key, PNCounter(), writeTwo, request = Some(sender()))(_ :+ 1)
replicator ! upd
case UpdateSuccess(Counter1Key, Some(replyTo: ActorRef))
@ -224,7 +224,7 @@ class DistributedDataDocSpec extends AkkaSpec(DistributedDataDocSpec.config) {
def sender() = self
//#get-request-context
implicit val node = Cluster(system)
implicit val node = DistributedData(system).selfUniqueAddress
val replicator = DistributedData(system).replicator
val readTwo = ReadFrom(n = 2, timeout = 3.second)
val Counter1Key = PNCounterKey("counter1")
@ -287,11 +287,12 @@ class DistributedDataDocSpec extends AkkaSpec(DistributedDataDocSpec.config) {
"demonstrate PNCounter" in {
def println(o: Any): Unit = ()
//#pncounter
implicit val node = Cluster(system)
implicit val node = DistributedData(system).selfUniqueAddress
val c0 = PNCounter.empty
val c1 = c0 + 1
val c2 = c1 + 7
val c3: PNCounter = c2 - 2
val c1 = c0 :+ 1
val c2 = c1 :+ 7
val c3: PNCounter = c2 decrement 2
println(c3.value) // 6
//#pncounter
}
@ -299,11 +300,11 @@ class DistributedDataDocSpec extends AkkaSpec(DistributedDataDocSpec.config) {
"demonstrate PNCounterMap" in {
def println(o: Any): Unit = ()
//#pncountermap
implicit val node = Cluster(system)
implicit val node = DistributedData(system).selfUniqueAddress
val m0 = PNCounterMap.empty[String]
val m1 = m0.increment("a", 7)
val m2 = m1.decrement("a", 2)
val m3 = m2.increment("b", 1)
val m1 = m0.increment(node, "a", 7)
val m2 = m1.decrement(node, "a", 2)
val m3 = m2.increment(node, "b", 1)
println(m3.get("a")) // 5
m3.entries.foreach { case (key, value) println(s"$key -> $value") }
//#pncountermap
@ -323,11 +324,11 @@ class DistributedDataDocSpec extends AkkaSpec(DistributedDataDocSpec.config) {
"demonstrate ORSet" in {
def println(o: Any): Unit = ()
//#orset
implicit val node = Cluster(system)
implicit val node = DistributedData(system).selfUniqueAddress
val s0 = ORSet.empty[String]
val s1 = s0 + "a"
val s2 = s1 + "b"
val s3 = s2 - "a"
val s1 = s0 :+ "a"
val s2 = s1 :+ "b"
val s3 = s2 remove "a"
println(s3.elements) // b
//#orset
}
@ -335,12 +336,12 @@ class DistributedDataDocSpec extends AkkaSpec(DistributedDataDocSpec.config) {
"demonstrate ORMultiMap" in {
def println(o: Any): Unit = ()
//#ormultimap
implicit val node = Cluster(system)
implicit val node = DistributedData(system).selfUniqueAddress
val m0 = ORMultiMap.empty[String, Int]
val m1 = m0 + ("a" -> Set(1, 2, 3))
val m2 = m1.addBinding("a", 4)
val m3 = m2.removeBinding("a", 2)
val m4 = m3.addBinding("b", 1)
val m1 = m0 :+ ("a" -> Set(1, 2, 3))
val m2 = m1.addBinding(node, "a", 4)
val m3 = m2.removeBinding(node, "a", 2)
val m4 = m3.addBinding(node, "b", 1)
println(m4.entries)
//#ormultimap
}
@ -357,9 +358,9 @@ class DistributedDataDocSpec extends AkkaSpec(DistributedDataDocSpec.config) {
"demonstrate LWWRegister" in {
def println(o: Any): Unit = ()
//#lwwregister
implicit val node = Cluster(system)
val r1 = LWWRegister("Hello")
val r2 = r1.withValue("Hi")
implicit val node = DistributedData(system).selfUniqueAddress
val r1 = LWWRegister.create("Hello")
val r2 = r1.withValueOf("Hi")
println(s"${r1.value} by ${r1.updatedBy} at ${r1.timestamp}")
//#lwwregister
r2.value should be("Hi")
@ -370,17 +371,17 @@ class DistributedDataDocSpec extends AkkaSpec(DistributedDataDocSpec.config) {
//#lwwregister-custom-clock
case class Record(version: Int, name: String, address: String)
implicit val node = Cluster(system)
implicit val node = DistributedData(system).selfUniqueAddress
implicit val recordClock = new LWWRegister.Clock[Record] {
override def apply(currentTimestamp: Long, value: Record): Long =
value.version
}
val record1 = Record(version = 1, "Alice", "Union Square")
val r1 = LWWRegister(record1)
val r1 = LWWRegister(node, record1, recordClock)
val record2 = Record(version = 2, "Alice", "Madison Square")
val r2 = LWWRegister(record2)
val r2 = LWWRegister(node, record2, recordClock)
val r3 = r1.merge(r2)
println(r3.value)