Actually instead of doing the necessary jiggery pokery to make PresentsServer

subclasses provide PresentsServer "services" we'll just have no PresentsServer
services. All services will be provided by components and the server will
disappear in a puff of inversion of control.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5155 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/server/ShutdownManager.java

@@ -21,9 +21,13 @@
 
 package com.threerings.presents.server;
 
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 import com.samskivert.util.ObserverList;
+import com.samskivert.util.RunQueue;
+
+import com.threerings.presents.annotation.EventQueue;
 
 import static com.threerings.presents.Log.log;
 
@@ -42,6 +46,11 @@ public class ShutdownManager
         public void shutdown ();
     }
 
+    @Inject ShutdownManager (@EventQueue RunQueue dobjq)
+    {
+        _dobjq = dobjq;
+    }
+
     /**
      * Registers an entity that will be notified when the server is shutting down.
      */
@@ -58,6 +67,22 @@ public class ShutdownManager
         _downers.remove(downer);
     }
 
+    /**
+     * Queues up a request to shutdown on the dobjmgr thread. This method may be safely called from
+     * any thread.
+     */
+    public void queueShutdown ()
+    {
+        _dobjq.postRunnable(new Runnable() {
+            public void run () {
+                shutdown();
+            }
+        });
+    }
+
+    /**
+     * Shuts down all shutdowners immediately on the caller's thread.
+     */
     public void shutdown ()
     {
         ObserverList<Shutdowner> downers = _downers;
@@ -76,6 +101,9 @@ public class ShutdownManager
         });
     }
 
+    /** The queue we'll use to get onto the dobjmgr thread before shutting down. */
+    protected RunQueue _dobjq;
+
     /** A list of shutdown participants. */
     protected static ObserverList<Shutdowner> _downers = ObserverList.newSafeInOrder();
 }