/**
* Resolve parameters referencing other services
*
* @param array $params
* @return array
*/
protected function resolveMethodParameters($class, $method, array $userParams, $isInstantiator, $alias)
{
$resolvedParams = array();
$injectionMethodParameters = $this->definition->getInjectionMethodParameters($class, $method);
$computedValueParams = array();
$computedLookupParams = array();
foreach ($injectionMethodParameters as $name => $type) {
//$computedValueParams[$name] = null;
// first consult user provided parameters
if (isset($userParams[$name])) {
if (is_string($userParams[$name])) {
if ($this->instanceManager->hasAlias($userParams[$name])) {
$computedLookupParams[$name] = array($userParams[$name], $this->instanceManager->getClassFromAlias($userParams[$name]));
} elseif ($this->definition->hasClass($userParams[$name])) {
$computedLookupParams[$name] = array($userParams[$name], $userParams[$name]);
} else {
$computedValueParams[$name] = $userParams[$name];
}
} else {
$computedValueParams[$name] = $userParams[$name];
}
continue;
}
// next consult alias specific properties
if ($alias && $this->instanceManager->hasProperty($alias, $name)) {
$computedValueParams[$name] = $this->instanceManager->getProperty($alias, $name);
continue;
}
// next consult alias level preferred instances
if ($alias && $this->instanceManager->hasPreferredInstances($alias)) {
$pInstances = $this->instanceManager->getPreferredInstances($alias);
foreach ($pInstances as $pInstance) {
$pInstanceClass = ($this->instanceManager->hasAlias($pInstance)) ?
$this->instanceManager->getClassFromAlias($pInstance) : $pInstance;
if ($pInstanceClass === $type || is_subclass_of($pInstanceClass, $type)) {
$computedLookupParams[$name] = array($pInstance, $pInstanceClass);
continue;
}
}
}
// next consult class level preferred instances
if ($type && $this->instanceManager->hasPreferredInstances($type)) {
$pInstances = $this->instanceManager->getPreferredInstances($type);
foreach ($pInstances as $pInstance) {
$pInstanceClass = ($this->instanceManager->hasAlias($pInstance)) ?
$this->instanceManager->getClassFromAlias($pInstance) : $pInstance;
if ($pInstanceClass === $type || is_subclass_of($pInstanceClass, $type)) {
$computedLookupParams[$name] = array($pInstance, $pInstanceClass);
continue;
}
}
}
// finally consult alias specific properties
if ($this->instanceManager->hasProperty($class, $name)) {
$computedValueParams[$name] = $this->instanceManager->getProperty($class, $name);
continue;
}
if ($type) {
$computedLookupParams[$name] = array($type, $type);
}
}
$index = 0;
foreach ($injectionMethodParameters as $name => $value) {
if (isset($computedValueParams[$name])) {
$resolvedParams[$index] = $computedValueParams[$name];
} elseif (isset($computedLookupParams[$name])) {
if ($isInstantiator && in_array($computedLookupParams[$name][1], $this->currentDependencies)) {
throw new Exception\CircularDependencyException("Circular dependency detected: $class depends on $value and viceversa");
}
array_push($this->currentDependencies, $class);
$resolvedParams[$index] = $this->get($computedLookupParams[$name][0], $userParams);
array_pop($this->currentDependencies);
} else {
throw new Exception\MissingPropertyException('Missing parameter named ' . $name . ' for ' . $class . '::' . $method);
}
$index++;
}
return $resolvedParams;
}
