1 files changed, 30 insertions, 0 deletions
diff --git a/java/src/Ice/Callback.java b/java/src/Ice/Callback.java
index 24c3004767a..debd4f55f96 100644
--- a/java/src/Ice/Callback.java
+++ b/java/src/Ice/Callback.java
@@ -16,4 +16,34 @@ package Ice;
  **/
 public abstract class Callback extends IceInternal.CallbackBase
 {
+    /**
+     * Invoked when the invocation completes. The subclass should
+     * call the matching <code>end_OP</code> method on the proxy and
+     * must be prepared to handle exceptions.
+     *
+     * @param r The asynchronous result object returned by the <code>begin_OP</code> method.
+     **/
+    public abstract void completed(AsyncResult r);
+
+    /**
+     * Invoked when the Ice run time has passed the outgoing message
+     * buffer to the transport. The default implementation does nothing,
+     * a subclass can override it if it needs to take action when the
+     * message is successfully sent.
+     *
+     * @param r The asynchronous result object returned by the <code>begin_OP</code> method.
+     **/
+    public void sent(AsyncResult r)
+    {
+    }
+
+    public final void __completed(AsyncResult r)
+    {
+        completed(r);
+    }
+
+    public final void __sent(AsyncResult r)
+    {
+        sent(r);
+    }
 }