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// $Id$
#include "ace/Log_Msg.h"
#include "ace/Map_Manager.h"
#include "ace/Synch.h"
#include "DataElement.h"
#include "KeyType.h"
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_;
};
// Listing 2 code/ch05
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;
map_.find (j,d);
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;
}
// Listing 2
// Listing 3 code/ch05
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")));
}
// Listing 3
// Listing 4 code/ch05
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.
map_.unbind_all ();
}
// Listing 4
int ACE_TMAIN (int, ACE_TCHAR *[])
{
Map_Example me;
return me.run ();
}
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