/**
* Allow
*
* Link a Class (probably a handler) to a handler!
* Note that we actually __allow__ a class to read/write to a bus.
*
* If you want the same class to listen to multiple bussystems then re-call route!!
*
* Example:
*
* route( 'system-bus', 'handler-1' )
* route( 'system-bus', 'handler-2' )
* route( 'system-err', 'handler-1' )
* route( 'system-err', 'handler-2' )
* ...
*
* Have a look into the example Handlers which use Annotations map commands
*
* - - - - - - - - - - - - - - - - - - -
*
* + class MockBarHandler
* **
* * @command Test\Mock\Command\MockCommand
* *
* public function getBar($command)
* - - - - - - - - - - - - - - - - - - -
*
* @param BusInterface $bus
* @param String $qualifiedClassname
* @throws AdapterException
*/
private function allow(BusInterface $bus, $qualifiedClassname)
{
if (!class_exists($qualifiedClassname)) {
throw AdapterException::initializeError(sprintf('Class <%s> does not exist', $qualifiedClassname));
}
$reflClass = new \ReflectionClass($qualifiedClassname);
$reflMs = $reflClass->getMethods();
foreach ($reflMs as $reflM) {
if (preg_match_all('~@(command|event|query)\\s+(\\S+)~i', $reflM->getDocComment(), $annotations, PREG_SET_ORDER) > 0) {
foreach ($annotations as $class) {
$qualifiedClassname = $class[2];
if (false === class_exists($qualifiedClassname)) {
throw AdapterException::annotationError(sprintf('Class <%s> does not exist', $qualifiedClassname));
}
if (isset(class_implements($qualifiedClassname)['Malocher\\Cqrs\\Command\\CommandInterface'])) {
$bus->mapCommand($qualifiedClassname, array('alias' => $reflM->class, 'method' => $reflM->name));
}
if (isset(class_implements($qualifiedClassname)['Malocher\\Cqrs\\Event\\EventInterface'])) {
$bus->registerEventListener($qualifiedClassname, array('alias' => $reflM->class, 'method' => $reflM->name));
}
if (isset(class_implements($qualifiedClassname)['Malocher\\Cqrs\\Query\\QueryInterface'])) {
$bus->mapQuery($qualifiedClassname, array('alias' => $reflM->class, 'method' => $reflM->name));
}
}
}
}
}
/**
* Initialize (pipe) a bus via configuration file!
*
* @param BusInterface $bus
* @param array $configuration
* @throws AdapterException
*/
public function pipe(BusInterface $bus, array $configuration)
{
foreach ($configuration as $messageClass => $callableOrDefinition) {
if (!class_exists($messageClass)) {
throw AdapterException::initializeError(sprintf('Message class <%s> does not exist', $messageClass));
} else {
if ($this->isCommand($messageClass)) {
$bus->mapCommand($messageClass, $callableOrDefinition);
} else {
if ($this->isEvent($messageClass)) {
$bus->registerEventListener($messageClass, $callableOrDefinition);
} else {
if ($this->isQuery($messageClass)) {
$bus->mapQuery($messageClass, $callableOrDefinition);
} else {
throw AdapterException::pipeError(sprintf('Message <%s> must implement %s, %s or %s', $messageClass, 'Malocher\\Cqrs\\Command\\CommandInterface', 'Malocher\\Cqrs\\Query\\QueryInterface', 'Malocher\\Cqrs\\Event\\EventInterface'));
}
}
}
}
}
}
/**
* {@inheritDoc}
*/
public function mapCommand($commandClass, $callableOrDefinition)
{
$this->bus->mapCommand($commandClass, $callableOrDefinition);
}