protected function deleteBridge(DB $aDB, Association $aAssociation, Model $aFromModel, Model $aToModel)
{
$aStatementFactory = $aAssociation->fromPrototype()->statementFactory();
$aDeleteForBridge = $aStatementFactory->createDelete($aAssociation->bridgeTableName());
$aDeleteForBridge->criteria()->where()->add($this->makeRestrictionForAssocotion($aFromModel, $aAssociation->fromKeys(), null, $aAssociation->toBridgeKeys(), $aStatementFactory));
$aDB->execute($aDeleteForBridge);
}
protected function buildBridge(DB $aDB, Association $aAssociation, Model $aFromModel, Model $aToModel)
{
$aFromPrototype = $aAssociation->fromPrototype();
$aSelect = new Select($aAssociation->bridgeTableName());
$aRestraction = $aSelect->criteria()->where();
$this->makeResrictionForAsscotion($aRestraction, $aFromPrototype->path(), $aAssociation->fromKeys(), null, $aAssociation->toBridgeKeys());
$this->makeResrictionForAsscotion($aRestraction, $aAssociation->toPrototype()->path(), $aAssociation->toKeys(), null, $aAssociation->fromBridgeKeys());
// 检查对应的桥接表记录是否存在
if (!$aDB->queryCount($aSelect)) {
$aInsertForBridge = $aStatementFactory->createInsert($aAssociation->bridgeTableName());
// from table key vale
$this->setValue($aInsertForBridge, $aAssociation->toBridgeKeys(), $aAssociation->fromKeys(), $aFromModel);
// to table key vale
$this->setValue($aInsertForBridge, $aAssociation->fromBridgeKeys(), $aAssociation->toKeys(), $aToModel);
$aDB->execute($aInsertForBridge);
}
}
