/**
* 构造函数
*
* 开发者不应该自行构造 FLEA_Db_TableLink 实例。而是应该通过
* FLEA_Db_TableLink::createLink() 静态方法来构造实例。
*
* @param array $define
* @param enum $type
* @param FLEA_Db_TableDataGateway $mainTDG
*
* @return FLEA_Db_TableLink
*/
function FLEA_Db_TableLink($define, $type, &$mainTDG)
{
static $defaultDsnId = null;
// 检查必须的属性是否都已经提供
foreach ($this->_req as $key) {
if (!isset($define[$key]) || $define[$key] == '') {
FLEA::loadClass('FLEA_Db_Exception_MissingLinkOption');
return __THROW(new FLEA_Db_Exception_MissingLinkOption($key));
} else {
$this->{$key} = $define[$key];
}
}
// 设置可选属性
foreach ($this->_optional as $key) {
if (isset($define[$key])) {
$this->{$key} = $define[$key];
}
}
$this->type = $type;
$this->mainTDG =& $mainTDG;
$this->dbo =& $this->mainTDG->getDBO();
$dsnid = $this->dbo->dsn['id'];
if (is_null($defaultDsnId)) {
$defaultDSN = FLEA::getAppInf('dbDSN');
if ($defaultDSN) {
$defaultDSN = FLEA::parseDSN($defaultDSN);
$defaultDsnId = $defaultDSN['id'];
} else {
$defaultDsnId = -1;
}
}
if ($dsnid == $defaultDsnId) {
$this->assocTDGObjectId = null;
} else {
$this->assocTDGObjectId = "{$this->tableClass}-{$dsnid}";
}
}
