private static function _getCacheObject()
	{
		if (self::$_sTypeOfCache === 'file') {

			if (!isset(self::$_aCache['file'])) { self::$_aCache['file'] = new CacheFile; }

			return self::$_aCache['file'];
		}
		else if (self::$_sTypeOfCache === 'memcache') {
  		  
			if (!isset(self::$_aCache['memcache'])) { 
			    
			    $oDbConf = Config::get('Memcache')->configuration;
			    
			    if (isset($oDbConf->port)) { $sPort = $oDbConf->port; }
			    else { $sPort = null; }
			    
			    if (isset($oDbConf->timeout)) { $iTimeout = $oDbConf->timeout; }
			    else { $iTimeout = null; }
			    
			    self::$_aCache['memcache'] = new CacheMemcache($oDbConf->host, $sPort, $iTimeout); 
			}

			return self::$_aCache['memcache'];
		}
		else if (self::$_sTypeOfCache === 'apc') {

			if (!isset(self::$_aCache['apc'])) { self::$_aCache['apc'] = new Apc; }

			return self::$_aCache['apc'];
		}
		else if (self::$_sTypeOfCache === 'redis') {
		    
			if (!isset(self::$_aCache['redis'])) {
			    
			    $oDbConf = Config::get('Redis')->configuration;
			    self::$_aCache['memcache'] = new Redis($oDbConf);
			}

			return self::$_aCache['redis'];
		}
		else if (self::$_sTypeOfCache === 'mock') {
		    
			if (!isset(self::$_aCache['mock'])) { self::$_aCache['mock'] = new Mock; }

			return self::$_aCache['mock'];
		}
	}
private static function _getCacheObject()
	{
		if (self::$_sTypeOfCache === 'file') {

			if (!isset(self::$_aCache['file'])) { self::$_aCache['file'] = new CacheFile; }

			return self::$_aCache['file'];
		}
		else if (self::$_sTypeOfCache === 'memcache') {
  		  
			if (!isset(self::$_aCache['memcache'])) { 
			    
			    $oDbConf = Config::get('Memcache')->configuration;
			    
			    if (isset($oDbConf->port)) { $sPort = $oDbConf->port; }
			    else { $sPort = null; }
			    
			    if (isset($oDbConf->timeout)) { $iTimeout = $oDbConf->timeout; }
			    else { $iTimeout = null; }
			    
			    self::$_aCache['memcache'] = new CacheMemcache($oDbConf->host, $sPort, $iTimeout); 
			}

			return self::$_aCache['memcache'];
		}
		else if (self::$_sTypeOfCache === 'apc') {

			if (!isset(self::$_aCache['apc'])) { self::$_aCache['apc'] = new Apc; }

			return self::$_aCache['apc'];
		}
		else if (self::$_sTypeOfCache === 'redis') {
		    
			if (!isset(self::$_aCache['redis'])) {
			    
			    $oDbConf = Config::get('Redis')->configuration;
			    self::$_aCache['memcache'] = new Redis($oDbConf);
			}

			return self::$_aCache['redis'];
		}
		else if (self::$_sTypeOfCache === 'mock') {
		    
			if (!isset(self::$_aCache['mock'])) { self::$_aCache['mock'] = new Mock; }

			return self::$_aCache['mock'];
		}
	}
private static function _getCacheObject ( ) { if ( self :: $ _sTypeOfCache === 'file' ) { if ( ! isset ( self :: $ _aCache [ 'file' ] ) ) { self :: $ _aCache [ 'file' ] = new CacheFile ; } return self :: $ _aCache [ 'file' ] ; } else if ( self :: $ _sTypeOfCache === 'memcache' ) { if ( ! isset ( self :: $ _aCache [ 'memcache' ] ) ) { $ oDbConf = Config :: get ( 'Memcache' ) -> configuration ; if ( isset ( $ oDbConf -> port ) ) { $ sPort = $ oDbConf -> port ; } else { $ sPort = null ; } if ( isset ( $ oDbConf -> timeout ) ) { $ iTimeout = $ oDbConf -> timeout ; } else { $ iTimeout = null ; } self :: $ _aCache [ 'memcache' ] = new CacheMemcache ( $ oDbConf -> host , $ sPort , $ iTimeout ) ; } return self :: $ _aCache [ 'memcache' ] ; } else if ( self :: $ _sTypeOfCache === 'apc' ) { if ( ! isset ( self :: $ _aCache [ 'apc' ] ) ) { self :: $ _aCache [ 'apc' ] = new Apc ; } return self :: $ _aCache [ 'apc' ] ; } else if ( self :: $ _sTypeOfCache === 'redis' ) { if ( ! isset ( self :: $ _aCache [ 'redis' ] ) ) { $ oDbConf = Config :: get ( 'Redis' ) -> configuration ; self :: $ _aCache [ 'memcache' ] = new Redis ( $ oDbConf ) ; } return self :: $ _aCache [ 'redis' ] ; } else if ( self :: $ _sTypeOfCache === 'mock' ) { if ( ! isset ( self :: $ _aCache [ 'mock' ] ) ) { self :: $ _aCache [ 'mock' ] = new Mock ; } return self :: $ _aCache [ 'mock' ] ; } }
initialize the cache class and get the good object

@access private
@return object
initialize the cache class and get the good object