/**
* Execute a finite number of stages and end the execution.
* If the number of stages to be executed are less than zero than the entire
* pipeline is executed.
*
* @param int $steps number of stages to be passed before stopping the execution
*
* @throws \InvalidArgumentException invalid arguments passed
*/
public function __invoke($steps = -1)
{
//check the number of steps
if (!is_int($steps)) {
throw new \InvalidArgumentException('The number of steps to execute must be given as an integer number');
}
//register the current runtime
PipelineSupport::RegisterRuntime($this);
//get the exact number of stages that should be executed
$stepsNumber = $steps < 0 ? $this->pipeline->countStages() : $steps;
for ($i = $this->getCompletedStagesCount(); $stepsNumber > 0 && $i < $this->pipeline->countStages() && $this->status != RuntimeStatus::ABORTED; ++$i) {
try {
//the pipeline is working right now
$this->status = RuntimeStatus::WORKING;
//get the starting time
$startTime = time();
$start = microtime(true);
//register the currently used runtime
self::$currentExecution =& $this;
//fetch & execute the pipeline stage
$reflectedFunction = $this->pipeline->reflectFunctionByIndex($i);
$executionResult = $reflectedFunction->invokeArgs([&$this->serializableCollection]);
//unregister the currently used runtime
self::$currentExecution = null;
//get the final time
$time_elapsed_secs = microtime(true) - $start;
$finalTime = time();
//generate and store the report
$this->completionReports[] = ['start_time' => $startTime, 'end_time' => $finalTime, 'elapse_time' => $time_elapsed_secs, 'result' => $executionResult];
//the pipeline is stopped right now
$this->status = RuntimeStatus::STOPPED;
} catch (\Gishiki\Pipeline\PipelineAbortSignal $abortSignal) {
//the pipeline was aborted
$this->status = RuntimeStatus::ABORTED;
//the abort reason must be saved
$this->abortMessage = $abortSignal->getMessage();
}
if (is_null($this->abortMessage) && $this->status != RuntimeStatus::ABORTED && $i == $this->pipeline->countStages() - 1) {
$this->status = RuntimeStatus::COMPLETED;
}
//register the currently active runtime
PipelineSupport::saveCurrentPupeline();
--$stepsNumber;
}
//runtime ended
PipelineSupport::UnregisterRuntime();
}
/**
* Load the framework configuration from the config file and return it in an
* format kwnown to the framework.
*/
private function loadConfiguration()
{
//get the security configuration of the current application
$config = [];
if (self::applicationExists()) {
$config = self::getApplicationSettings();
//General Configuration
$this->configuration = ['DEVELOPMENT_ENVIRONMENT' => isset($config['general']['development']) ? $config['general']['development'] : false, 'AUTOLOG_URL' => isset($config['general']['autolog']) ? $config['general']['autolog'] : 'null', 'SECURITY' => ['MASTER_SYMMETRIC_KEY' => $config['security']['serverPassword'], 'MASTER_ASYMMETRIC_KEY' => $config['security']['serverKey']], 'CONNECTIONS' => array_key_exists('connections', $config) ? $config['connections'] : array(), 'PIPELINE' => ['CONNECTION' => isset($config['pipeline']['connection']) ? $config['pipeline']['connection'] : null, 'COLLECTION' => isset($config['pipeline']['collection']) ? $config['pipeline']['collection'] : null]];
}
//check for the environment configuration
if ($this->configuration['DEVELOPMENT_ENVIRONMENT']) {
ini_set('display_errors', 1);
error_reporting(E_ALL);
} else {
ini_set('display_errors', 0);
error_reporting(0);
}
//connect every db connection
foreach ($this->configuration['CONNECTIONS'] as $connection) {
\Gishiki\Database\DatabaseManager::Connect($connection['name'], $connection['query']);
}
//setup the pipeline execution support
\Gishiki\Pipeline\PipelineSupport::Initialize($this->GetConfigurationProperty('PIPELINE_CONNECTION_NAME'), $this->GetConfigurationProperty('PIPELINE_TABLE_NAME'));
}