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// $Id: Map_Manager_Specialization.cpp 94310 2011-07-09 19:10:06Z schmidt $
#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 ("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 ("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 ("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 ("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 ();
}
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