1 files changed, 58 insertions, 0 deletions
diff --git a/ACE/contrib/utility/Example/ExH/LogicToSystem/logic_to_system.cpp b/ACE/contrib/utility/Example/ExH/LogicToSystem/logic_to_system.cpp
new file mode 100644
index 00000000000..ba5944404f0
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+++ b/ACE/contrib/utility/Example/ExH/LogicToSystem/logic_to_system.cpp
@@ -0,0 +1,58 @@
+// file      : Example/ExH/LogicToSystem/logic_to_system.cpp
+// author    : Boris Kolpackov <boris@kolpackov.net>
+// copyright : Copyright (c) 2002-2003 Boris Kolpackov
+// license   : http://kolpackov.net/license.html
+
+#include "Utility/ExH/System/Exception.hpp"
+#include "Utility/ExH/Logic/Exception.hpp"
+
+#include <iostream>
+
+using std::cerr;
+using std::endl;
+
+
+struct SubsystemA
+{
+  class Exception : public Utility::ExH::Logic::Exception {};
+
+  void
+  foo () throw (Exception)
+  {
+    throw Exception ();
+  }
+};
+
+
+struct SubsystemB
+{
+  void
+  foo () throw (Utility::ExH::System::Exception)
+  {
+    SubsystemA a;
+    a.foo ();
+
+    // Here SubsystemB is using SunsystemA but cannot (forgot, doesnt't
+    // want to, doesn't know how to, etc - pick your favorite) handle
+    // exception thrown by SubsystemA. As a result exception is
+    // 'converted' to System::Exception.
+  }
+};
+
+
+int
+main ()
+{
+  try
+  {
+    SubsystemB b;
+    b.foo ();
+  }
+  catch (Utility::ExH::System::Exception const& ex)
+  {
+    cerr << "Caught Utility::ExH::System::Exception: "
+         << ex.what ()
+         << endl;
+  }
+}
+//$Id$