Make Broadcaster testable.

3 files changed, 22 insertions, 8 deletions

diff --git a/same/src/main/java/com/orbekk/same/Broadcaster.java b/same/src/main/java/com/orbekk/same/Broadcaster.java
new file mode 100644
index 0000000..ce1ad4f
--- /dev/null
+++ b/same/src/main/java/com/orbekk/same/Broadcaster.java
@@ -0,0 +1,11 @@
+package com.orbekk.same;
+
+import java.util.List;
+
+/**
+ * An interface for broadcasting a message to all clients.
+ */
+public interface Broadcaster {
+    public void broadcast(final List<String> targets,
+            final ServiceOperation operation);
+}
diff --git a/same/src/main/java/com/orbekk/same/BroadcastRunner.java b/same/src/main/java/com/orbekk/same/BroadcasterImpl.java
index 45935b6..688a388 100644
--- a/same/src/main/java/com/orbekk/same/BroadcastRunner.java
+++ b/same/src/main/java/com/orbekk/same/BroadcasterImpl.java
@@ -4,25 +4,28 @@ import java.util.List;
 import java.util.concurrent.Executor;
 import java.util.concurrent.Executors;
 
-public class BroadcastRunner {
+public class BroadcasterImpl {
     private ConnectionManager connections;
     private Executor executor;
 
     /**
      * Get a BroadcastRunner for ClientService using a thread pool of size 20.
      */
-    public static BroadcastRunner getDefaultBroadcastRunner() {
-        return new BroadcastRunner(Executors.newFixedThreadPool(20));
+    public static BroadcasterImpl getDefaultBroadcastRunner() {
+        return new BroadcasterImpl(Executors.newFixedThreadPool(20),
+                new ConnectionManagerImpl());
     }
     
-    public BroadcastRunner(Executor executor, ConnectionManager connections) {
+    public BroadcasterImpl(Executor executor,
+            ConnectionManager connections) {
+        this.connections = connections;
         this.executor = executor;
     }
 
     public synchronized void broadcast(final List<String> targets,
             final ServiceOperation operation) {
         for (String t : targets) {
-            final ClientService client = connections.getConnection(t);
+            final ClientService client = connections.getClient(t);
             executor.execute(new Runnable() {
                 @Override public void run() {
                     operation.run(client);
diff --git a/same/src/main/java/com/orbekk/same/MasterServiceImpl.java b/same/src/main/java/com/orbekk/same/MasterServiceImpl.java
index dcebb80..6093fa4 100644
--- a/same/src/main/java/com/orbekk/same/MasterServiceImpl.java
+++ b/same/src/main/java/com/orbekk/same/MasterServiceImpl.java
@@ -10,10 +10,10 @@ public class MasterServiceImpl implements MasterService, UrlReceiver, Runnable {
     private ConnectionManager connections;
     private State state;
     private boolean stopped = false;
-    private BroadcastRunner broadcaster;
+    private Broadcaster broadcaster;
 
     public MasterServiceImpl(State initialState, ConnectionManager connections,
-            BroadcastRunner broadcaster) {
+            Broadcaster broadcaster) {
         state = initialState;
         this.broadcaster = broadcaster;
 }
@@ -45,7 +45,7 @@ public class MasterServiceImpl implements MasterService, UrlReceiver, Runnable {
             logger.info("Broadcasting new component {}", state.show(component));
             
             broadcaster.broadcast(participants(), new ServiceOperation() {
-               @Override void run(ClientService client) {
+               @Override public void run(ClientService client) {
                    client.setState(component, state.getDataOf(component),
                            state.getRevision(component));
                }