1 files changed, 81 insertions, 0 deletions
diff --git a/ACE/examples/APG/Naming/Temperature_Grapher.cpp b/ACE/examples/APG/Naming/Temperature_Grapher.cpp
new file mode 100644
index 00000000000..e11367af4a0
--- /dev/null
+++ b/ACE/examples/APG/Naming/Temperature_Grapher.cpp
@@ -0,0 +1,81 @@
+// $Id$
+
+#include "ace/OS_NS_unistd.h"
+#include "ace/Log_Msg.h"
+
+#include "Graph.h"
+#include "Graphable_Element.h"
+#include "Temperature_Grapher.h"
+
+// Listing 1 code/ch21
+void Temperature_Grapher::monitor (void)
+{
+  for (;;)
+    {
+      this->update_graph ();
+      ACE_OS::sleep (this->opt_.poll_interval ());
+    }
+}
+// Listing 1
+
+// Listing 2 code/ch21
+void Temperature_Grapher::update_graph (void)
+{
+  Name_Binding_Ptr lastUpdate
+    (this->naming_context_.fetch ("lastUpdate"));
+
+  if (!lastUpdate.get ())
+    {
+      ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("No data to graph\n")));
+      return;
+    }
+  // Listing 2
+
+  // Listing 3 code/ch21
+  Name_Binding_Ptr lastGraphed
+    (this->naming_context_.fetch ("lastGraphed"));
+
+  if (lastGraphed.get () &&
+      lastGraphed->int_value () == lastUpdate->int_value ())
+    {
+      ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Data already graphed\n")));
+      return;
+    }
+  // Listing 3
+
+  // Listing 4 code/ch21
+  ACE_BINDING_SET set;
+  if (this->naming_context_.list_name_entries
+        (set, "history[") != 0)
+    {
+      ACE_DEBUG ((LM_INFO,
+                  ACE_TEXT ("There's nothing to graph\n")));
+      return;
+    }
+  // Listing 4
+
+  // Listing 5 code/ch21
+  Graphable_Element_List graphable;
+  ACE_BINDING_ITERATOR set_iterator (set);
+  for (ACE_Name_Binding *entry = 0;
+       set_iterator.next (entry) != 0;
+       set_iterator.advance ())
+    {
+      Name_Binding binding (entry);
+      ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("%s\t%s\t%s\n"),
+                  binding.type (),
+                  binding.name (),
+                  binding.value ()));
+
+      Graphable_Element *ge = new Graphable_Element (entry);
+      graphable.push_back (*ge);
+    }
+  // Listing 5
+
+  // Listing 6 code/ch21
+  Graph g;
+  g.graph (lastUpdate->value (), graphable);
+  this->naming_context_.rebind ("lastGraphed",
+                                lastUpdate->int_value ());
+  // Listing 6
+}