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<?php
namespace MongoDB\Tests;
use MongoDB\Driver\Monitoring\CommandFailedEvent;
use MongoDB\Driver\Monitoring\CommandStartedEvent;
use MongoDB\Driver\Monitoring\CommandSucceededEvent;
use MongoDB\Driver\Monitoring\CommandSubscriber;
use Exception;
/**
* Observes command documents using the driver's monitoring API.
*/
class CommandObserver implements CommandSubscriber
{
private $commands = [];
public function observe(callable $execution, callable $commandCallback)
{
$this->commands = [];
\MongoDB\Driver\Monitoring\addSubscriber($this);
try {
call_user_func($execution);
} catch (Exception $executionException) {}
\MongoDB\Driver\Monitoring\removeSubscriber($this);
foreach ($this->commands as $command) {
call_user_func($commandCallback, $command);
}
if (isset($executionException)) {
throw $executionException;
}
}
public function commandStarted(CommandStartedEvent $event)
{
$this->commands[] = $event->getCommand();
}
public function commandSucceeded(CommandSucceededEvent $event)
{
}
public function commandFailed(CommandFailedEvent $event)
{
}
}