move code to src/test

* so that it compiles and tests pass
* fix some additional snip references in getting started

akka-docs/src/test/java/jdocs/circuitbreaker/TellPatternJavaActor.java

@@ -0,0 +1,57 @@
+/**
+ * Copyright (C) 2009-2017 Lightbend Inc. <http://www.lightbend.com>
+ */
+package jdocs.circuitbreaker;
+
+import akka.actor.ActorRef;
+import akka.actor.ReceiveTimeout;
+import akka.actor.AbstractActor.Receive;
+import akka.actor.AbstractActor;
+import akka.event.Logging;
+import akka.event.LoggingAdapter;
+import akka.pattern.CircuitBreaker;
+import scala.concurrent.duration.Duration;
+
+public class TellPatternJavaActor extends AbstractActor {
+
+  private final ActorRef       target;
+  private final CircuitBreaker breaker;
+  private final LoggingAdapter log = Logging.getLogger(getContext().system(), this);
+
+  public TellPatternJavaActor(ActorRef targetActor) {
+    this.target  = targetActor;
+    this.breaker = new CircuitBreaker(
+      getContext().dispatcher(), getContext().system().scheduler(),
+      5, Duration.create(10, "s"), Duration.create(1, "m"))
+      .onOpen(new Runnable() {
+        public void run() {
+          notifyMeOnOpen();
+        }
+      });
+  }
+
+  public void notifyMeOnOpen() {
+    log.warning("My CircuitBreaker is now open, and will not close for one minute");
+  }
+
+  //#circuit-breaker-tell-pattern
+  @Override
+  public Receive createReceive() {
+    return receiveBuilder()
+      .match(String.class, payload -> "call".equals(payload) && breaker.isClosed(), payload -> 
+        target.tell("message", self())
+      )
+      .matchEquals("response", payload -> 
+        breaker.succeed()
+      )
+      .match(Throwable.class, t ->
+        breaker.fail()
+      )
+      .match(ReceiveTimeout.class, t ->    
+        breaker.fail()
+      )
+      .build();
+  }
+  //#circuit-breaker-tell-pattern
+
+}