[EventDispatcher] Revers event tracing order
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68b823f243
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@ -29,7 +29,7 @@ class TraceableEventDispatcher implements TraceableEventDispatcherInterface
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protected $logger;
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protected $stopwatch;
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private $called;
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private $callStack;
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private $dispatcher;
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private $wrappedListeners;
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@ -38,7 +38,6 @@ class TraceableEventDispatcher implements TraceableEventDispatcherInterface
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$this->dispatcher = $dispatcher;
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$this->stopwatch = $stopwatch;
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$this->logger = $logger;
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$this->called = array();
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$this->wrappedListeners = array();
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}
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@ -123,6 +122,10 @@ class TraceableEventDispatcher implements TraceableEventDispatcherInterface
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*/
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public function dispatch($eventName, Event $event = null)
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{
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if (null === $this->callStack) {
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$this->callStack = new \SplObjectStorage();
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}
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if (null === $event) {
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$event = new Event();
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}
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@ -158,11 +161,15 @@ class TraceableEventDispatcher implements TraceableEventDispatcherInterface
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*/
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public function getCalledListeners()
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{
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if (null === $this->callStack) {
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return array();
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}
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$called = array();
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foreach ($this->called as $eventName => $listeners) {
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foreach ($listeners as $listener) {
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$called[$eventName.'.'.$listener->getPretty()] = $listener->getInfo($eventName);
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}
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foreach ($this->callStack as $listener) {
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list($eventName) = $this->callStack->getInfo();
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$called[] = $listener->getInfo($eventName);
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}
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return $called;
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@ -188,9 +195,9 @@ class TraceableEventDispatcher implements TraceableEventDispatcherInterface
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foreach ($allListeners as $eventName => $listeners) {
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foreach ($listeners as $listener) {
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$called = false;
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if (isset($this->called[$eventName])) {
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foreach ($this->called[$eventName] as $l) {
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if ($l->getWrappedListener() === $listener) {
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if (null !== $this->callStack) {
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foreach ($this->callStack as $calledListener) {
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if ($calledListener->getWrappedListener() === $listener) {
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$called = true;
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break;
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@ -202,19 +209,19 @@ class TraceableEventDispatcher implements TraceableEventDispatcherInterface
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if (!$listener instanceof WrappedListener) {
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$listener = new WrappedListener($listener, null, $this->stopwatch, $this);
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}
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$notCalled[$eventName.'.'.$listener->getPretty()] = $listener->getInfo($eventName);
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$notCalled[] = $listener->getInfo($eventName);
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}
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}
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}
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uasort($notCalled, array($this, 'sortListenersByPriority'));
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uasort($notCalled, array($this, 'sortNotCalledListeners'));
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return $notCalled;
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}
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public function reset()
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{
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$this->called = array();
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$this->callStack = array();
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}
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/**
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@ -258,6 +265,7 @@ class TraceableEventDispatcher implements TraceableEventDispatcherInterface
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$this->wrappedListeners[$eventName][] = $wrappedListener;
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$this->dispatcher->removeListener($eventName, $listener);
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$this->dispatcher->addListener($eventName, $wrappedListener, $priority);
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$this->callStack->attach($wrappedListener, array($eventName));
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}
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}
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@ -286,8 +294,8 @@ class TraceableEventDispatcher implements TraceableEventDispatcherInterface
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if (!isset($this->called[$eventName])) {
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$this->called[$eventName] = new \SplObjectStorage();
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}
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$this->called[$eventName]->attach($listener);
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} else {
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$this->callStack->detach($listener);
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}
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if (null !== $this->logger && $skipped) {
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@ -304,8 +312,12 @@ class TraceableEventDispatcher implements TraceableEventDispatcherInterface
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}
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}
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private function sortListenersByPriority($a, $b)
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private function sortNotCalledListeners(array $a, array $b)
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{
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if (0 !== $cmp = strcmp($a['event'], $b['event'])) {
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return $cmp;
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}
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if (\is_int($a['priority']) && !\is_int($b['priority'])) {
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return 1;
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}
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@ -110,17 +110,17 @@ class TraceableEventDispatcherTest extends TestCase
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$tdispatcher->addListener('foo', function () {}, 5);
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$listeners = $tdispatcher->getNotCalledListeners();
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$this->assertArrayHasKey('stub', $listeners['foo.closure']);
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unset($listeners['foo.closure']['stub']);
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$this->assertArrayHasKey('stub', $listeners[0]);
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unset($listeners[0]['stub']);
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$this->assertEquals(array(), $tdispatcher->getCalledListeners());
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$this->assertEquals(array('foo.closure' => array('event' => 'foo', 'pretty' => 'closure', 'priority' => 5)), $listeners);
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$this->assertEquals(array(array('event' => 'foo', 'pretty' => 'closure', 'priority' => 5)), $listeners);
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$tdispatcher->dispatch('foo');
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$listeners = $tdispatcher->getCalledListeners();
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$this->assertArrayHasKey('stub', $listeners['foo.closure']);
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unset($listeners['foo.closure']['stub']);
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$this->assertEquals(array('foo.closure' => array('event' => 'foo', 'pretty' => 'closure', 'priority' => 5)), $listeners);
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$this->assertArrayHasKey('stub', $listeners[0]);
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unset($listeners[0]['stub']);
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$this->assertEquals(array(array('event' => 'foo', 'pretty' => 'closure', 'priority' => 5)), $listeners);
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$this->assertEquals(array(), $tdispatcher->getNotCalledListeners());
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}
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@ -133,10 +133,10 @@ class TraceableEventDispatcherTest extends TestCase
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$tdispatcher->reset();
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$listeners = $tdispatcher->getNotCalledListeners();
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$this->assertArrayHasKey('stub', $listeners['foo.closure']);
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unset($listeners['foo.closure']['stub']);
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$this->assertArrayHasKey('stub', $listeners[0]);
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unset($listeners[0]['stub']);
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$this->assertEquals(array(), $tdispatcher->getCalledListeners());
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$this->assertEquals(array('foo.closure' => array('event' => 'foo', 'pretty' => 'closure', 'priority' => 5)), $listeners);
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$this->assertEquals(array(array('event' => 'foo', 'pretty' => 'closure', 'priority' => 5)), $listeners);
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}
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public function testGetCalledListenersNested()
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