/**
* Sets a field to this model
* @param zibo\library\orm\definition\field\ModelField $field
* @return null
* @throws zibo\library\orm\exception\ModelException when the field has the same link as another field in this model
*/
public function setField(ModelField $field)
{
if ($field->isLocalized() && !$this->isLocalized) {
$this->isLocalized = true;
}
$name = $field->getName();
$addIndex = false;
if ($field instanceof BelongsToField) {
$field->setDefaultValue(0);
$addIndex = true;
} elseif ($field instanceof HasField) {
if ($field instanceof HasOneField) {
$type = self::HAS_ONE;
} else {
$type = self::HAS_MANY;
}
$relationFields = $this->getRelationFields($field->getRelationModelName(), $type);
$numRelationFields = count($relationFields);
if ($numRelationFields > 0) {
$linkModelName = $field->getLinkModelName();
if ($linkModelName) {
foreach ($relationFields as $relationFieldName => $relationField) {
if ($relationFieldName == $name) {
continue;
}
if ($relationField->getLinkModelName() == $linkModelName) {
throw new ModelException('Can\'t add ' . $name . ' to ' . $this->name . ': ' . $field->getRelationModelName() . ' is already linked with link model ' . $linkModelName . ' through the ' . $relationFieldName . ' field, check the link models.');
}
}
}
}
}
$this->fields[$name] = $field;
if ($addIndex && !$this->hasIndex($name)) {
$index = new Index($name, array($field));
$this->addIndex($index);
}
}
