diff options
Diffstat (limited to 'trunk/ACE/examples/APG/Containers/Hash_Map.cpp')
-rw-r--r-- | trunk/ACE/examples/APG/Containers/Hash_Map.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/trunk/ACE/examples/APG/Containers/Hash_Map.cpp b/trunk/ACE/examples/APG/Containers/Hash_Map.cpp new file mode 100644 index 00000000000..1b2d4ee4634 --- /dev/null +++ b/trunk/ACE/examples/APG/Containers/Hash_Map.cpp @@ -0,0 +1,118 @@ +// $Id$ + +#include "ace/Hash_Map_Manager.h" +#include "ace/Synch.h" // needed for the lock +#include "ace/Functor.h" +#include "DataElement.h" + +// Listing 1 code/ch05 +// Little helper class. +template<class EXT_ID, class INT_ID> +class Hash_Map : + public ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, + ACE_Hash<EXT_ID>, ACE_Equal_To<EXT_ID>, ACE_Null_Mutex> +{}; +// Listing 1 + +class Hash_Map_Example +{ +public: + // Constructor + Hash_Map_Example (); + + // Illustrate the hash map. + int run (void); + + // Use the forward iterator. + void iterate_forward (void); + + // Use the reverse iterator. + void iterate_reverse (void); + + // Remove all the elements from the map. + void remove_all (void); + +private: + Hash_Map<int, DataElement> map_; +}; + +// Listing 2 code/ch05 +Hash_Map_Example::Hash_Map_Example() +{ + ACE_TRACE (ACE_TEXT ("Hash_Map_Example::Hash_Map_Example")); + + map_.open (100); +} +// Listing 2 + +int Hash_Map_Example::run (void) +{ + ACE_TRACE (ACE_TEXT ("Hash_Map_Example::run")); + + 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"))); + + // Use the forward iterator. + this->iterate_forward (); + + // Use the reverse iterator. + this->iterate_reverse (); + + // Remove all the elements from the map. + this->remove_all (); + + // Iterate through the map again. + this->iterate_forward (); + + return 0; +} + +void Hash_Map_Example::iterate_forward (void) +{ + ACE_TRACE (ACE_TEXT ("Hash_Map_Example::iterate_forward")); + + ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Forward Iteration \n"))); + for (Hash_Map<int, DataElement>::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 Hash_Map_Example::iterate_reverse (void) +{ + ACE_TRACE (ACE_TEXT ("Hash_Map_Example::iterate_reverse")); + + ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Reverse Iteration \n"))); + for (Hash_Map<int, DataElement>::reverse_iterator iter = map_.rbegin (); + iter != map_.rend (); iter++) + { + ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("%d:"), (*iter).int_id_.getData ())); + } + ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("\n"))); +} + +void Hash_Map_Example::remove_all (void) +{ + ACE_TRACE (ACE_TEXT ("Hash_Map_Example::remove_all")); + map_.unbind_all (); +} + +int ACE_TMAIN (int, ACE_TCHAR *[]) +{ + Hash_Map_Example me; + return me.run (); +} + |