More progress.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3862 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/presents/dobj/ObjectAccessError.as

@@ -0,0 +1,53 @@
+//
+// $Id: ObjectAccessException.java 3099 2004-08-27 02:21:06Z mdb $
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2004 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.dobj {
+
+/**
+ * An object access exception is delivered when an object is not
+ * accessible to a requesting subscriber for some reason or other. For
+ * some access exceptions, special derived classes exist to communicate
+ * the error. For others, a message string explaining the access failure
+ * is provided.
+ */
+public class ObjectAccessError extends Error
+{
+    /**
+     * Constructs a object access exception with the specified error
+     * message.
+     */
+    public function ObjectAccessError (message :String, cause :Error = null)
+    {
+        super(message);
+        _cause = cause;
+    }
+
+    /**
+     * Return the cause  of this error, if any.
+     */
+    public function getCause () :Error
+    {
+        return _cause;
+    }
+
+    protected var _cause :Error;
+}
+}