#include <Trie.h>

Public Member Functions
void	clear ()
TrieNode< T > *	newNode (const T &value)
	TrieFactory (unsigned paquetSize)
	~TrieFactory ()
Private Member Functions
TrieFactory &	operator= (const TrieFactory &e)
	avoid affectation operator
	TrieFactory ()
	avoid default constructor
	TrieFactory (const TrieFactory &e)
	avoid copy constructor
Private Attributes
std::list< TrieNode< T > * >	_allocatedNodes
TrieNode< T > *	_lastNodes
unsigned	_nbUsedInLastNodes
unsigned	_paquetSize

Detailed Description

template<typename T>
class edm::TrieFactory< T >

The goal of this class is to allocate Trie node by paquet of X element in order to reduce heap-admin size

Definition at line 41 of file Trie.h.

Constructor & Destructor Documentation

template<typename T >

edm::TrieFactory< T >::TrieFactory ( unsigned paquetSize )

Definition at line 321 of file Trie.h.

References edm::TrieFactory< T >::_lastNodes.

                                                  :
  _paquetSize(paquetSize), _lastNodes(0x0), _nbUsedInLastNodes(0)
{
  _lastNodes = new TrieNode<T>[paquetSize];
}

template<typename T >

edm::TrieFactory< T >::~TrieFactory ( )

Definition at line 328 of file Trie.h.

{
  typename std::list<TrieNode<T>*>::const_iterator it;

  for (it = _allocatedNodes.begin(); it != _allocatedNodes.end(); ++it)
    delete[] *it;
  if (_lastNodes)
    delete[] _lastNodes;
}

template<typename T>

edm::TrieFactory< T >::TrieFactory ( ) [private]

avoid default constructor

template<typename T>

edm::TrieFactory< T >::TrieFactory ( const TrieFactory< T > & e ) [private]

avoid copy constructor

Member Function Documentation

template<typename T >

void edm::TrieFactory< T >::clear ( void )

Definition at line 355 of file Trie.h.

{
  typename std::list<TrieNode<T>*>::const_iterator it;
  for (it = _allocatedNodes.begin(); it != _allocatedNodes.end(); ++it)
    delete[] *it;
  _allocatedNodes.clear();
  _nbUsedInLastNodes = 0;
}

template<typename T >

edm::TrieNode< T > * edm::TrieFactory< T >::newNode ( const T & value )

Definition at line 339 of file Trie.h.

References edm::TrieNode< T >::clear(), and edm::TrieNode< T >::setValue().

{
  if (_nbUsedInLastNodes == _paquetSize)
    {
      _allocatedNodes.push_back(_lastNodes);
      _nbUsedInLastNodes = 0;
      _lastNodes = new TrieNode<T>[_paquetSize];
    }
  TrieNode<T> *res = &_lastNodes[_nbUsedInLastNodes];
  ++_nbUsedInLastNodes;
  res->setValue(value);
  res->clear();
  return res;
}