Changed the lock mechanism to use a service to ratify requests to

acquire and release locks, and to use handler objects to manage locks in the process of resolution. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4542 542714f4-19e9-0310-aa3c-eee0fc999fb1
2007-02-08 00:02:11 +00:00
parent 494cda3008
commit 9a39128322
7 changed files with 573 additions and 354 deletions
@@ -0,0 +1,71 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2006 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.presents.peer.server;
+
+import com.threerings.presents.client.Client;
+import com.threerings.presents.data.ClientObject;
+import com.threerings.presents.data.InvocationMarshaller;
+import com.threerings.presents.peer.client.PeerService;
+import com.threerings.presents.peer.data.NodeObject;
+import com.threerings.presents.peer.data.PeerMarshaller;
+import com.threerings.presents.server.InvocationDispatcher;
+import com.threerings.presents.server.InvocationException;
+
+/**
+ * Dispatches requests to the {@link PeerProvider}.
+ */
+public class PeerDispatcher extends InvocationDispatcher
+{
+    /**
+     * Creates a dispatcher that may be registered to dispatch invocation
+     * service requests for the specified provider.
+     */
+    public PeerDispatcher (PeerProvider provider)
+    {
+        this.provider = provider;
+    }
+
+    // from InvocationDispatcher
+    public InvocationMarshaller createMarshaller ()
+    {
+        return new PeerMarshaller();
+    }
+
+    @SuppressWarnings("unchecked") // from InvocationDispatcher
+    public void dispatchRequest (
+        ClientObject source, int methodId, Object[] args)
+        throws InvocationException
+    {
+        switch (methodId) {
+        case PeerMarshaller.RATIFY_LOCK_ACTION:
+            ((PeerProvider)provider).ratifyLockAction(
+                source,
+                (NodeObject.Lock)args[0], ((Boolean)args[1]).booleanValue()
+            );
+            return;
+
+        default:
+            super.dispatchRequest(source, methodId, args);
+            return;
+        }
+    }
+}