Began porting 'whirled'.

The basic whirled stuff is here; compiling and working.
'Spot' still to come.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4133 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/presents/client/InvocationReceiver_Registration.as

@@ -0,0 +1,60 @@
+package com.threerings.presents.client {
+
+import com.threerings.util.Comparable;
+
+import com.threerings.io.ObjectInputStream;
+import com.threerings.io.ObjectOutputStream;
+
+import com.threerings.presents.dobj.DSet;
+import com.threerings.presents.dobj.DSet_Entry;
+
+/**
+ * Used to maintain a registry of invocation receivers that can be
+ * used to convert (large) hash codes into (small) registration
+ * numbers.
+ */
+public class InvocationReceiver_Registration
+    implements DSet_Entry
+{
+    /** The unique hash code associated with this invocation receiver class. */
+    public var receiverCode :String;
+
+    /** The unique id assigned to this invocation receiver class at
+     * registration time. */
+    public var receiverId :int;
+
+    /** Creates and initializes a registration instance. */
+    public function InvocationReceiver_Registration (
+            receiverCode :String = null, receiverId :int = 0)
+    {
+        this.receiverCode = receiverCode;
+        this.receiverId = receiverId;
+    }
+
+    // documentation inherited from interface DSet_Entry
+    public function getKey () :Object
+    {
+        return receiverCode;
+    }
+
+    // documentation inherited
+    public function toString () :String
+    {
+        return "[" + receiverCode + " => " + receiverId + "]";
+    }
+
+    // documentation inherited from superinterface Streamable
+    public function writeObject (out :ObjectOutputStream) :void
+    {
+        out.writeField(receiverCode);
+        out.writeShort(receiverId);
+    }
+
+    // documentation inherited from superinterface Streamable
+    public function readObject (ins :ObjectInputStream) :void
+    {
+        receiverCode = (ins.readField(String) as String);
+        receiverId = ins.readShort();
+    }
+}
+}