/**
* Obtains a new instance of $modelClassName, using a dependency injection
* container if possible.
*
* @param string $modelClassName name of the model
*
* @return object
*/
public function factory($modelClassName)
{
if ($this->dependencyInjector) {
return $this->dependencyInjector->getInstance($modelClassName);
}
$model = new $modelClassName();
return $model;
}
/**
* Test dependency injection with RedBeanPHP.
*
* @return void
*/
public function testDependencyInjection()
{
// base scenario
$geek = R::dispense('geek');
list($coffee, $cocoa) = $geek->getObjects();
asrt($coffee instanceof Dependency_Coffee, FALSE);
asrt($cocoa instanceof Dependency_Cocoa, FALSE);
// Base scenario with empty container, don't fail
$di = new RedBean_DependencyInjector();
$geek = R::dispense('geek');
list($coffee, $cocoa) = $geek->getObjects();
asrt($coffee instanceof Dependency_Coffee, FALSE);
asrt($cocoa instanceof Dependency_Cocoa, FALSE);
// Succesfull scenario, one missing
$di = new RedBean_DependencyInjector();
$di->addDependency('Coffee', new Dependency_Coffee());
RedBean_ModelHelper::setDependencyInjector($di);
$geek = R::dispense('geek');
list($coffee, $cocoa) = $geek->getObjects();
asrt($coffee instanceof Dependency_Coffee, TRUE);
asrt($cocoa instanceof Dependency_Cocoa, FALSE);
// Success scenario
$di = new RedBean_DependencyInjector();
$di->addDependency('Coffee', new Dependency_Coffee());
$di->addDependency('Cocoa', new Dependency_Cocoa());
RedBean_ModelHelper::setDependencyInjector($di);
$geek = R::dispense('geek');
list($coffee, $cocoa) = $geek->getObjects();
asrt($coffee instanceof Dependency_Coffee, TRUE);
asrt($cocoa instanceof Dependency_Cocoa, TRUE);
// Don't fail if not exists
$di->addDependency('NonExistantObject', new Dependency_Coffee());
$geek = R::dispense('geek');
$geek = R::dispense('geek');
list($coffee, $cocoa) = $geek->getObjects();
asrt($coffee instanceof Dependency_Coffee, TRUE);
asrt($cocoa instanceof Dependency_Cocoa, TRUE);
// Can we go back to base scenario?
RedBean_ModelHelper::clearDependencyInjector();
$geek = R::dispense('geek');
list($coffee, $cocoa) = $geek->getObjects();
asrt($coffee instanceof Dependency_Coffee, FALSE);
asrt($cocoa instanceof Dependency_Cocoa, FALSE);
}
/**
* Obtains a new instance of $modelClassName, using a dependency injection
* container if possible.
*
* @param string $modelClassName name of the model
*
* @return object
*/
public static function factory($modelClassName)
{
if (self::$dependencyInjector) {
return self::$dependencyInjector->getInstance($modelClassName);
}
return new $modelClassName();
}
