/**
* 建立关联，并且返回新建立的关联对象
*
* @param array $defines
* @param enum $type
*
* @return FLEA_Db_TableLink
*/
function createLink($defines, $type)
{
if (!is_array($defines)) {
return;
}
if (!is_array(reset($defines))) {
$defines = array($defines);
}
// 创建关联对象
foreach ($defines as $define) {
if (!is_array($define)) {
continue;
}
// 构造连接对象实例
$link =& FLEA_Db_TableLink::createLink($define, $type, $this);
$this->links[strtoupper($link->name)] =& $link;
}
}
/**
* 完全初始化关联对象
*/
function init()
{
parent::init();
if ($this->joinTableClass) {
$this->joinTDG =& FLEA::getSingleton($this->joinTableClass);
$this->joinTable = $this->joinTDG->tableName;
$joinSchema = $this->joinTDG->schema;
} else {
$joinSchema = $this->mainTDG->schema;
}
if (is_null($this->joinTable)) {
$this->joinTable = $this->getMiddleTableName($this->mainTDG->tableName, $this->assocTableName);
}
if (is_null($this->foreignKey)) {
$this->foreignKey = $this->mainTDG->primaryKey;
}
$this->joinTable = $this->dbo->dsn['prefix'] . $this->joinTable;
$this->qjoinTable = $this->dbo->qtable($this->joinTable, $joinSchema);
$this->qforeignKey = $this->dbo->qfield($this->foreignKey, $this->joinTable, $joinSchema);
if (is_null($this->assocForeignKey)) {
$this->assocForeignKey = $this->assocTDG->primaryKey;
}
$this->qassocForeignKey = $this->dbo->qfield($this->assocForeignKey, $this->joinTable, $this->mainTDG->schema);
}