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replaced
1 package couchdb.changes |
1 package couchdb.changes |
2 |
2 |
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3 import akka.actor.{ActorRef, Actor, ActorLogging, Status} |
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4 import akka.io.IO |
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5 |
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6 import scala.concurrent.ExecutionContext.Implicits.global |
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7 import scala.language.postfixOps |
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8 import scala.language.reflectiveCalls |
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9 import scala.util.Try |
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10 |
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11 import spray.can.Http |
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12 import spray.can.Http.ConnectionAttemptFailedException |
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13 import spray.client.pipelining._ |
3 import spray.httpx.unmarshalling.{MalformedContent, Unmarshaller, Deserialized} |
14 import spray.httpx.unmarshalling.{MalformedContent, Unmarshaller, Deserialized} |
4 import spray.http._ |
15 import spray.http._ |
5 import spray.json._ |
16 import spray.json._ |
6 import spray.client.pipelining._ |
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7 import akka.actor.{ActorRef, Actor, ActorLogging} |
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8 import scala.util.Try |
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9 import spray.can.Http |
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10 import akka.io.IO |
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11 |
17 |
12 case class ResultRow(seq: Int, id: String, doc: JsObject) |
18 case class ResultRow(seq: Int, id: String, doc: JsObject) |
13 |
19 |
14 trait ChangesMarshaller { |
20 trait ChangesMarshaller { |
15 |
21 |
23 |
29 |
24 } |
30 } |
25 } |
31 } |
26 |
32 |
27 class ChangesStreamActor(processor: ActorRef) extends Actor with ActorLogging |
33 class ChangesStreamActor(processor: ActorRef) extends Actor with ActorLogging |
28 with ChangesMarshaller { |
34 with ChangesMarshaller with settings { |
29 |
35 |
30 val io = IO(Http)(context.system) |
36 val io = IO(Http)(context.system) |
31 |
37 |
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38 def config = context.system.settings.config |
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39 |
32 def receive: Receive = { |
40 def receive: Receive = { |
33 case uri: Uri => |
41 case Start => |
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42 val uri = Uri(s"${couchConf.url}/_changes").withQuery( |
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43 "feed" -> "continuous" |
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44 , "heartbeat" -> couchConf.heartbeat.toMillis.toString |
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45 , "include_docs" -> "true" |
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46 ) |
34 val rq = HttpRequest(HttpMethods.GET, uri = uri) |
47 val rq = HttpRequest(HttpMethods.GET, uri = uri) |
35 log.debug("Sending request {}", rq) |
48 log.debug("Sending request {}", rq) |
36 sendTo(io).withResponsesReceivedBy(self)(rq) |
49 sendTo(io).withResponsesReceivedBy(self)(rq) |
37 case x@ChunkedResponseStart(_) => |
50 case x@ChunkedResponseStart(_) => |
38 log.debug("Received {}", x) |
51 log.debug("Received {}", x) |
41 if (data.length > 2) // skip heartbeat messages |
54 if (data.length > 2) // skip heartbeat messages |
42 ChangesMarshaller(data).fold( |
55 ChangesMarshaller(data).fold( |
43 _ => log.warning("Failed to deserialize entity {}", data), |
56 _ => log.warning("Failed to deserialize entity {}", data), |
44 processor ! |
57 processor ! |
45 ) |
58 ) |
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59 case Status.Failure(t) => |
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60 log.error("Received failure {}", t) |
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61 t match { |
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62 case x:ConnectionAttemptFailedException => |
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63 log.info("Scheduling reconnect to couchdb in {}", couchConf.reconnect) |
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64 context.system.scheduler.scheduleOnce(couchConf.reconnect, self, |
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65 Start) |
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66 case _ => |
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67 } |
46 case x => |
68 case x => |
47 log.debug("Received {}", x) |
69 log.debug("Received {}", x) |
48 } |
70 } |
49 } |
71 } |
50 |
72 |