/**
* Transform an incoming value, which is described by the given attributespec,
* to it's input (entity compatible) representation and set result on the given entity.
*
* @param mixed $input_value
* @param EntityInterface $entity
* @param SpecificationInterface $specification
*
* @return void
*/
public function revert($input_value, EntityInterface $entity, SpecificationInterface $specification)
{
$attribute_name = $specification->getOption('attribute', $specification->getName());
$entity->setValue($attribute_name, $input_value);
}
/**
* Sets either given default value or value from option to the given attribute.
*
* @param Entity $entity the entity to modify
* @param string $attribute_name the name of the attribute to set a value for
* @param mixed $default_value Default value to set.
* @param array $options Array containing a `attribute_name => $mixed` entry.
* $mixed is set as value instead of $default_value.
* If $mixed is a closure it will be called and used.
* $mixed may also be another callable like an array
* `array($class, "$methodName")` or a string like
* `'Your\Namespace\Foo::getStaticTrololo'`.
*
* @return void
*/
protected function setValue(EntityInterface $entity, AttributeInterface $attribute, $default_value, array $options = array())
{
$attribute_name = $attribute->getName();
$attribute_options = array();
if (!empty($options[self::OPTION_FIELD_VALUES]) && is_array($options[self::OPTION_FIELD_VALUES])) {
$attribute_options = $options[self::OPTION_FIELD_VALUES];
}
if (empty($attribute_options[$attribute_name])) {
$entity->setValue($attribute_name, $default_value);
} else {
$option = $attribute_options[$attribute_name];
if (is_callable($option)) {
$entity->setValue($attribute_name, call_user_func($option));
} else {
$entity->setValue($attribute_name, $option);
}
}
}