Basic framework for distributed chat channel system that does not use chat

channel distributed objects but rather resolves the location of all channel participants on every message delivery so that we don't have to attempt the very fragile process of having every server that hosts a channel participant maintain a subscription to the chat channel object on another peer. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5305 542714f4-19e9-0310-aa3c-eee0fc999fb1
2008-08-10 02:40:19 +00:00
parent eda49af57b
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+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2008 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.crowd.chat.server;
+
+import com.threerings.crowd.chat.data.ChannelSpeakMarshaller;
+import com.threerings.crowd.chat.data.ChatChannel;
+import com.threerings.presents.data.ClientObject;
+import com.threerings.presents.server.InvocationDispatcher;
+import com.threerings.presents.server.InvocationException;
+
+/**
+ * Dispatches requests to the {@link ChannelSpeakProvider}.
+ */
+public class ChannelSpeakDispatcher extends InvocationDispatcher<ChannelSpeakMarshaller>
+{
+    /**
+     * Creates a dispatcher that may be registered to dispatch invocation
+     * service requests for the specified provider.
+     */
+    public ChannelSpeakDispatcher (ChannelSpeakProvider provider)
+    {
+        this.provider = provider;
+    }
+
+    @Override // documentation inherited
+    public ChannelSpeakMarshaller createMarshaller ()
+    {
+        return new ChannelSpeakMarshaller();
+    }
+
+    @Override // documentation inherited
+    public void dispatchRequest (
+        ClientObject source, int methodId, Object[] args)
+        throws InvocationException
+    {
+        switch (methodId) {
+        case ChannelSpeakMarshaller.SPEAK:
+            ((ChannelSpeakProvider)provider).speak(
+                source, (ChatChannel)args[0], (String)args[1], ((Byte)args[2]).byteValue()
+            );
+            return;
+
+        default:
+            super.dispatchRequest(source, methodId, args);
+            return;
+        }
+    }
+}