{"action":"created","comment":{"url":"https://api.github.com/repos/broadinstitute/cromwell/pulls/comments/59367531","id":59367531,"diff_hunk":"@@ -0,0 +1,72 @@\n+package cromwell.services\n+\n+import akka.actor.{Actor, ActorRef, Props}\n+import com.typesafe.config.Config\n+import cromwell.backend.BackendJobDescriptor\n+import cromwell.engine.db.DataAccess\n+import cromwell.services.KeyValueServiceActor._\n+import cromwell.services.ServiceRegistryActor.ServiceRegistryMessage\n+\n+import scala.concurrent.Future\n+import scala.util.{Failure, Success}\n+\n+object KeyValueServiceActor {\n+  trait KvMessage\n+  trait KvAction extends KvMessage with ServiceRegistryMessage {\n+    def serviceName = \"KeyValue\"\n+  }\n+  trait KvResponse extends KvMessage\n+\n+  case class KvPut(jobDescriptor: BackendJobDescriptor, key: String, value: Option[String]) extends KvAction\n+  case class KvGet(jobDescriptor: BackendJobDescriptor, key: String) extends KvAction\n+\n+  case class KvPair(jobDescriptor: BackendJobDescriptor, key: String, value: Option[String]) extends KvResponse","path":"engine/src/main/scala/cromwell/services/KeyValueServiceActor.scala","position":23,"original_position":23,"commit_id":"9d92c872ef0504291c663d9ddc265f162bb3ac9c","original_commit_id":"77e10002e07d9acae210218463db9b79927df0a9","user":{"login":"scottfrazer","id":58551,"avatar_url":"https://avatars.githubusercontent.com/u/58551?v=3","gravatar_id":"","url":"https://api.github.com/users/scottfrazer","html_url":"https://github.com/scottfrazer","followers_url":"https://api.github.com/users/scottfrazer/followers","following_url":"https://api.github.com/users/scottfrazer/following{/other_user}","gists_url":"https://api.github.com/users/scottfrazer/gists{/gist_id}","starred_url":"https://api.github.com/users/scottfrazer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/scottfrazer/subscriptions","organizations_url":"https://api.github.com/users/scottfrazer/orgs","repos_url":"https://api.github.com/users/scottfrazer/repos","events_url":"https://api.github.com/users/scottfrazer/events{/privacy}","received_events_url":"https://api.github.com/users/scottfrazer/received_events","type":"User","site_admin":false},"body":"I don't know, I'm dragging my feet because I *really* don't agree but I feel if I try to make my case I'll risk feeling even more alienated (considering it's now 3 against 1), so as long as I don't have to take ownership of this code I'll feel *much* better about these changes...\r\n\r\nJust so you know though... we're now going to have this interface for constructing `KvPut`s and `KvGet`s:\r\n\r\n```scala\r\nKvPut(KvPair(ScopedKey(callBKey, \"k\"), Option(\"value_b\")))\r\nKvGet(ScopedKey(callAKey, \"k\"))\r\n```","created_at":"2016-04-12T12:37:17Z","updated_at":"2016-04-12T12:37:17Z","html_url":"https://github.com/broadinstitute/cromwell/pull/689#discussion_r59367531","pull_request_url":"https://api.github.com/repos/broadinstitute/cromwell/pulls/689","_links":{"self":{"href":"https://api.github.com/repos/broadinstitute/cromwell/pulls/comments/59367531"},"html":{"href":"https://github.com/broadinstitute/cromwell/pull/689#discussion_r59367531"},"pull_request":{"href":"https://api.github.com/repos/broadinstitute/cromwell/pulls/689"}}},"pull_request":{"url":"https://api.github.com/repos/broadinstitute/cromwell/pulls/689","id":65831397,"html_url":"https://github.com/broadinstitute/cromwell/pull/689","diff_url":"https://github.com/broadinstitute/cromwell/pull/689.diff","patch_url":"https://github.com/broadinstitute/cromwell/pull/689.patch","issue_url":"https://api.github.com/repos/broadinstitute/cromwell/issues/689","number":689,"state":"open","locked":false,"title":"Service registry + KeyValue service.  Closes #653, Closes 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