The great invocation services rethink of 2002! Rearchitected the remote

method invocation services and converted everything to the new style.
Could this be my biggest checkin ever?


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1642 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/dobj/InvocationResponseEvent.java

@@ -0,0 +1,131 @@
+//
+// $Id: InvocationResponseEvent.java,v 1.1 2002/08/14 19:07:55 mdb Exp $
+
+package com.threerings.presents.dobj;
+
+import java.io.IOException;
+
+import com.samskivert.util.StringUtil;
+
+import com.threerings.io.ObjectInputStream;
+import com.threerings.io.ObjectOutputStream;
+import com.threerings.io.Streamable;
+
+/**
+ * Used to dispatch an invocation response from the server to the client.
+ *
+ * @see DObjectManager#postEvent
+ */
+public class InvocationResponseEvent extends DEvent
+{
+    /**
+     * Constructs a new invocation response event on the specified target
+     * object with the supplied code, method and arguments.
+     *
+     * @param targetOid the object id of the object on which the event is
+     * to be dispatched.
+     * @param requestId the id of the request to which we are responding.
+     * @param methodId the method to be invoked.
+     * @param args the arguments for the method. This array should contain
+     * only values of valid distributed object types.
+     */
+    public InvocationResponseEvent (
+        int targetOid, int requestId, int methodId, Object[] args)
+    {
+        super(targetOid);
+        _requestId = (short)requestId;
+        _methodId = (byte)methodId;
+        _args = args;
+    }
+
+    /**
+     * Constructs a blank instance of this event in preparation for
+     * unserialization from the network.
+     */
+    public InvocationResponseEvent ()
+    {
+    }
+
+    /**
+     * Returns the invocation request id associated with this response.
+     */
+    public int getRequestId ()
+    {
+        return _requestId;
+    }
+
+    /**
+     * Returns the method associated with this response.
+     */
+    public int getMethodId ()
+    {
+        return _methodId;
+    }
+
+    /**
+     * Returns the arguments associated with this response.
+     */
+    public Object[] getArgs ()
+    {
+        return _args;
+    }
+
+    /**
+     * Applies this attribute change to the object.
+     */
+    public boolean applyToObject (DObject target)
+        throws ObjectAccessException
+    {
+        // nothing to do here
+        return true;
+    }
+
+    /**
+     * Writes our custom streamable fields.
+     */
+    public void writeObject (ObjectOutputStream out)
+        throws IOException
+    {
+        super.writeObject(out);
+        out.writeShort(_requestId);
+        out.writeByte(_methodId);
+        out.writeObject(_args);
+    }
+
+    /**
+     * Reads our custom streamable fields.
+     */
+    public void readObject (ObjectInputStream in)
+        throws IOException, ClassNotFoundException
+    {
+        super.readObject(in);
+        _requestId = in.readShort();
+        _methodId = in.readByte();
+        _args = (Object[])in.readObject();
+    }
+
+    // documentation inherited
+    protected void notifyListener (Object listener)
+    {
+        // nothing to do here
+    }
+
+    // documentation inherited
+    protected void toString (StringBuffer buf)
+    {
+        buf.append("IRSP:");
+        super.toString(buf);
+        buf.append(", reqid=").append(_requestId);
+        buf.append(", methodId=").append(_methodId);
+        buf.append(", args=").append(StringUtil.toString(_args));
+    }
+
+    /** The id of the request with which this response is associated. */
+    protected short _requestId;
+
+    /** The id of the method being invoked. */
+    protected byte _methodId;
+
+    /** The arguments to the method being invoked. */
+    protected Object[] _args;
+}