public function getKeys(IEntity $entity, $relationName)
{
$relOpt = $entity->relations[$relationName];
$relType = $relOpt['type'];
switch ($relType) {
case IEntity::BELONGS_TO:
$key = $this->toDb($entity->getEntityType()) . 'Id';
if (isset($relOpt['key'])) {
$key = $relOpt['key'];
}
$foreignKey = 'id';
if (isset($relOpt['foreignKey'])) {
$foreignKey = $relOpt['foreignKey'];
}
return array('key' => $key, 'foreignKey' => $foreignKey);
case IEntity::HAS_MANY:
case IEntity::HAS_ONE:
$key = 'id';
if (isset($relOpt['key'])) {
$key = $relOpt['key'];
}
$foreignKey = $this->toDb($entity->getEntityType()) . 'Id';
if (isset($relOpt['foreignKey'])) {
$foreignKey = $relOpt['foreignKey'];
}
return array('key' => $key, 'foreignKey' => $foreignKey);
case IEntity::HAS_CHILDREN:
$key = 'id';
if (isset($relOpt['key'])) {
$key = $relOpt['key'];
}
$foreignKey = 'parentId';
if (isset($relOpt['foreignKey'])) {
$foreignKey = $relOpt['foreignKey'];
}
$foreignType = 'parentType';
if (isset($relOpt['foreignType'])) {
$foreignType = $relOpt['foreignType'];
}
return array('key' => $key, 'foreignKey' => $foreignKey, 'foreignType' => $foreignType);
case IEntity::MANY_MANY:
$key = 'id';
if (isset($relOpt['key'])) {
$key = $relOpt['key'];
}
$foreignKey = 'id';
if (isset($relOpt['foreignKey'])) {
$foreignKey = $relOpt['foreignKey'];
}
$nearKey = $this->toDb($entity->getEntityType()) . 'Id';
$distantKey = $this->toDb($relOpt['entity']) . 'Id';
if (isset($relOpt['midKeys']) && is_array($relOpt['midKeys'])) {
$nearKey = $relOpt['midKeys'][0];
$distantKey = $relOpt['midKeys'][1];
}
return array('key' => $key, 'foreignKey' => $foreignKey, 'nearKey' => $nearKey, 'distantKey' => $distantKey);
}
}
protected function fromRow(IEntity $entity, $data)
{
$entity->set($data);
return $entity;
}
protected function getAlias(IEntity $entity, $key)
{
if (!isset($this->aliasesCache[$entity->getEntityName()])) {
$this->aliasesCache[$entity->getEntityName()] = $this->getTableAliases($entity);
}
if (isset($this->aliasesCache[$entity->getEntityName()][$key])) {
return $this->aliasesCache[$entity->getEntityName()][$key];
} else {
return false;
}
}