1 files changed, 155 insertions, 0 deletions
diff --git a/ACE/examples/APG/Containers/Map_Manager_Specialization.cpp b/ACE/examples/APG/Containers/Map_Manager_Specialization.cpp
new file mode 100644
index 00000000000..afffce23b5d
--- /dev/null
+++ b/ACE/examples/APG/Containers/Map_Manager_Specialization.cpp
@@ -0,0 +1,155 @@
+// $Id$
+
+#include "ace/Log_Msg.h"
+#include "ace/Map_Manager.h"
+#include "ace/Synch.h" // Needed for the lock.
+#include "DataElement.h"
+#include "KeyType.h"
+
+/*
+** This needs to stay in the book for 2nd printing, but is the same as
+** what's in KeyType.h.
+*/
+#if 0
+// Listing 1 code/ch05
+class KeyType
+{
+public:
+  KeyType () : val_(0) {}
+
+  KeyType (int i) : val_(i) {}
+
+  KeyType (const KeyType& kt) { this->val_ = kt.val_; };
+
+  operator int () const { return val_; };
+
+private:
+  int val_;
+};
+
+template<>
+int
+ACE_Map_Manager<KeyType, DataElement, ACE_Null_Mutex>::equal
+(const KeyType& r1, const KeyType &r2)
+{
+  return (r1 == r2);
+}
+// Listing 1
+#else
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+template<>
+int
+ACE_Map_Manager<KeyType, DataElement, ACE_Null_Mutex>::equal
+(const KeyType& r1, const KeyType &r2)
+{
+  return (r1 == r2);
+}
+ACE_END_VERSIONED_NAMESPACE_DECL
+#endif /* 0 */
+
+class Map_Example
+{
+public:
+  // Illustrate the ACE_Map_Manager<>.
+  int run (void);
+
+private:
+  // Iterate in the forward direction.
+  void iterate_forward (void);
+
+  // Iterate in the other direction.
+  void iterate_reverse (void);
+
+  // Remove all elements from the map.
+  void remove_all (void);
+
+private:
+  ACE_Map_Manager<KeyType,DataElement,ACE_Null_Mutex> map_;
+};
+
+int Map_Example::run (void)
+{
+  ACE_TRACE (ACE_TEXT ("Map_Example::run"));
+
+  // Corresponding KeyType objects are created on the fly.
+  for (int i = 0; i < 100; i++)
+    {
+      map_.bind (i, DataElement (i));
+    }
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Map has\n")));
+  for (int j = 0; j < 100; j++)
+    {
+      DataElement d;
+      int result = map_.find (j,d);
+      if (result == 0)
+        {
+          ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("%d:"), d.getData ()));
+        }
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("\n")));
+
+  // Iterate in the forward direction.
+  this->iterate_forward ();
+
+  // Iterate in the other direction.
+  this->iterate_reverse ();
+
+  // Remove all elements from the map.
+  this->remove_all ();
+
+  // Iterate in the forward direction.
+  this->iterate_forward ();
+
+  return 0;
+}
+
+void Map_Example::iterate_forward (void)
+{
+  ACE_TRACE (ACE_TEXT ("Map_Example::iterate_forward"));
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Forward iteration\n")));
+  for (ACE_Map_Manager<KeyType, DataElement, ACE_Null_Mutex>::iterator
+       iter = map_.begin ();
+       iter!= map_.end ();
+       iter++)
+    {
+      ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("%d:"), (*iter).int_id_.getData ()));
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("\n")));
+}
+
+void Map_Example::iterate_reverse (void)
+{
+  ACE_TRACE (ACE_TEXT ("Map_Example::iterate_reverse"));
+
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Reverse iteration\n")));
+  for (ACE_Map_Manager<KeyType, DataElement, ACE_Null_Mutex>::reverse_iterator
+       iter = map_.rbegin ();
+       iter!= map_.end ();
+       iter++)
+    {
+      ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("%d:"), (*iter).int_id_.getData ()));
+    }
+  ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("\n")));
+}
+
+void Map_Example::remove_all (void)
+{
+  ACE_TRACE (ACE_TEXT ("Map_Example::remove_all"));
+
+  // Note that we can't use the iterators here
+  // as they are invalidated after deletions
+  // or insertions.
+  for (int i = 0; i < 100; i++)
+    {
+      map_.unbind (i);
+    }
+}
+
+int ACE_TMAIN (int, ACE_TCHAR *[])
+{
+  Map_Example me;
+  return  me.run ();
+}
+