function init()
{
if ($this->_inited) {
return $this;
}
parent::init();
$p = $this->_init_config;
$this->source_key = !empty($p['source_key']) ? $p['source_key'] : reset($this->source_meta->idname);
$this->target_key = !empty($p['target_key']) ? $p['target_key'] : reset($this->source_meta->idname);
unset($this->_init_config);
return $this;
}
function init()
{
if ($this->_inited) {
return $this;
}
parent::init();
$p = $this->_init_config;
if (empty($p['mid_class'])) {
// 如果没有指定中间表对应的 ActiveRecord 类，则使用表数据入口直接处理中间表
$this->mid_meta = null;
if (empty($p['mid_table_name'])) {
// 尝试自动确定中间表名称
$t1 = $this->source_meta->table->name;
$t2 = $this->target_meta->table->name;
if ($t1 <= $t2) {
$mid_table_name = $t1 . '_has_' . $t2;
} else {
$mid_table_name = $t2 . '_has_' . $t1;
}
} else {
$mid_table_name = $p['mid_table_name'];
}
$this->mid_table = new QDB_Table(array('name' => $mid_table_name));
} else {
// 如果中间表作为实体，则由指定的 ActiveRecord 继承类负责处理中间表
$this->mid_meta = QDB_ActiveRecord_Meta::instance($p['mid_class']);
$this->mid_table = $this->mid_meta->table;
}
$this->source_key = !empty($p['source_key']) ? $p['source_key'] : reset($this->source_meta->idname);
$this->target_key = !empty($p['target_key']) ? $p['target_key'] : reset($this->target_meta->idname);
$this->mid_source_key = !empty($p['mid_source_key']) ? $p['mid_source_key'] : reset($this->source_meta->idname);
$this->mid_target_key = !empty($p['mid_target_key']) ? $p['mid_target_key'] : reset($this->target_meta->idname);
$this->mid_mapping_to = !empty($p['mid_mapping_to']) ? $p['mid_mapping_to'] : 'mid_data';
$class = $this->target_meta->class_name;
// $this->source_meta->addDynamicMethod("bind{$class}", array($this, 'bindTarget'));
// $this->source_meta->addDynamicMethod("unbind{$class}", array($this, 'unbindTarget'));
unset($this->_init_config);
return $this;
}
