Allow subclasses to not create a speak service if they should so desire.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3644 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/crowd/server/PlaceManager.java

@@ -255,12 +255,12 @@ public class PlaceManager
         // keep track of this
         _plobj = plobj;
 
-        // create and register a speaker service instance that clients can
-        // use to speak in this place
-        SpeakMarshaller speakService =
-            (SpeakMarshaller)_invmgr.registerDispatcher(
-                new SpeakDispatcher(new SpeakProvider(_plobj, this)), false);
-        plobj.setSpeakService(speakService);
+        // we usually want to create and register a speaker service instance
+        // that clients can use to speak in this place
+        if (shouldCreateSpeakService()) {
+            plobj.setSpeakService((SpeakMarshaller) _invmgr.registerDispatcher(
+                new SpeakDispatcher(new SpeakProvider(plobj, this)), false));
+        }
 
         // we'll need to hear about place object events
         plobj.addListener(this);
@@ -269,6 +269,15 @@ public class PlaceManager
         didStartup();
     }
 
+    /**
+     * @return true if we should create a speaker service for our place object
+     * so that clients can use it to speak in this place.
+     */
+    protected boolean shouldCreateSpeakService ()
+    {
+        return true;
+    }
+
     /**
      * Derived classes should override this (and be sure to call
      * <code>super.didStartup()</code>) to perform any startup time
@@ -295,7 +304,9 @@ public class PlaceManager
         CrowdServer.omgr.destroyObject(_plobj.getOid());
 
         // clear out our services
-        _invmgr.clearDispatcher(_plobj.speakService);
+        if (_plobj.speakService != null) {
+            _invmgr.clearDispatcher(_plobj.speakService);
+        }
 
         // make sure we don't have any shutdowner in the queue
         cancelShutdowner();