1 files changed, 35 insertions, 0 deletions
diff --git a/java/src/Ice/TwowayCallback.java b/java/src/Ice/TwowayCallback.java
new file mode 100644
index 00000000000..0ebe4316ef8
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+++ b/java/src/Ice/TwowayCallback.java
@@ -0,0 +1,35 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+package Ice;
+
+/**
+ * Base class for generated twoway operation callback.
+ **/
+public abstract class TwowayCallback extends IceInternal.CallbackBase
+{
+    /**
+     * Called when the invocation raises an Ice run-time exception.
+     *
+     * @param __ex The Ice run-time exception raised by the operation.
+     **/
+    public abstract void exception(LocalException __ex);
+
+    /**
+     * Called when a queued invocation is sent successfully.
+     **/
+    public void sent()
+    {
+    }
+
+    public final void __sent(AsyncResult __result)
+    {
+        sent();
+    }
+}