namespace Org\Mxchange\CoreFramework\Handler\Task;
// Import framework stuff
-use Org\Mxchange\CoreFramework\Factory\ObjectFactory;
+use Org\Mxchange\CoreFramework\Bootstrap\FrameworkBootstrap;
+use Org\Mxchange\CoreFramework\Factory\Object\ObjectFactory;
+use Org\Mxchange\CoreFramework\Generic\FrameworkInterface;
use Org\Mxchange\CoreFramework\Handler\BaseHandler;
-use Org\Mxchange\CoreFramework\Lists\Listable;
use Org\Mxchange\CoreFramework\Registry\Registerable;
use Org\Mxchange\CoreFramework\Task\Taskable;
+use Org\Mxchange\CoreFramework\Traits\Iterator\IteratorTrait;
+use Org\Mxchange\CoreFramework\Traits\Lists\ListableTrait;
+use Org\Mxchange\CoreFramework\Traits\Visitor\VisitorTrait;
use Org\Mxchange\CoreFramework\Visitor\Visitable;
+// Import SPL stuff
+use \InvalidArgumentException;
+use \UnexpectedValueException;
+
/**
* A Task handler
*
* @author Roland Haeder <webmaster@shipsimu.org>
* @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2023 Core Developer Team
* @license GNU GPL 3.0 or any newer version
* @link http://www.shipsimu.org
*
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class TaskHandler extends BaseHandler implements Registerable, HandleableTask {
+ // Load traits
+ use IteratorTrait;
+ use ListableTrait;
+ use VisitorTrait;
+
// Exception constants
const EXCEPTION_TASK_IS_INVALID = 0xb00;
*
* @return void
*/
- protected function __construct () {
+ private function __construct () {
// Call parent constructor
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: CONSTRUCTWD!');
parent::__construct(__CLASS__);
// Set handler name
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('TASK-HANDLER: Setting handlerName=task ...');
$this->setHandlerName('task');
+
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: EXIT!');
}
/**
*/
public static final function createTaskHandler () {
// Get new instance
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: CALLED!');
$handlerInstance = new TaskHandler();
// Output debug message
- self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('TASK-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Initializing task handler.');
+ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('TASK-HANDLER: Initializing task handler.');
// Init the task list
$handlerInstance->setListInstance(ObjectFactory::createObjectByConfiguredName('task_list_class'));
$handlerInstance->registerTask('idle_loop', $taskInstance);
// Output debug message
- self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('TASK-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Task handler initialized.');
+ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('TASK-HANDLER: Task handler initialized.');
// Return the prepared instance
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER:handlerInstance=%s - EXIT!', $handlerInstance->__toString()));
return $handlerInstance;
}
*/
private function executeCurrentTask () {
// Update no task by default
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: CALLED!');
$updateTask = false;
// Is the current task valid?
if (!$this->getListInstance()->getIterator()->valid()) {
// Not valid!
throw new InvalidTaskException($this, self::EXCEPTION_TASK_IS_INVALID);
- } // END - if
+ }
// Get current task
$currentTask = $this->getListInstance()->getIterator()->current();
// Is the task not yet started?
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: currentTask()=%d', count($currentTask)));
if ($currentTask['task_started'] === false) {
// Determine difference between current time and registration
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: currentTask[id]=%s has not started yet, checking ...', $currentTask['id']));
$diff = ($this->getMilliTime() - $currentTask['task_registered']) * 1000;
// Should we start now?
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: diff=%d,currentTask[task_startup_delay]=%d', $diff, $currentTask['task_startup_delay']));
if ($diff < $currentTask['task_startup_delay']) {
// Skip this silently
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('TASK-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Task ' . $currentTask['id'] . ' not started: diff=' . $diff . ',task_startup_delay=' . $currentTask['task_startup_delay']);
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: Task %s not started: diff=%d,task_startup_delay=%d', $currentTask['id'], $diff, $currentTask['task_startup_delay']));
return;
- } // END - if
+ }
// Launch the task and mark it as updated
$currentTask['task_started'] = true;
$updateTask = true;
// Debug message
- self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('TASK-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Task ' . $currentTask['id'] . ' started with startup_delay=' . $currentTask['task_startup_delay'] . 'ms');
- } // END - if
+ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: Task %s started with startup_delay=%dms', $currentTask['id'], $currentTask['task_startup_delay']));
+ }
// Get time difference from interval delay
$diff = ($this->getMilliTime() - $currentTask['task_last_activity']) * 1000;
- // Debug message
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('TASK-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Task ' . $currentTask['id'] . ' diff=' . $diff . ',task_interval_delay=' . $currentTask['task_interval_delay'] . ',task_max_runs=' . $currentTask['task_max_runs'] . ',task_total_runs=' . $currentTask['task_total_runs']);
-
// Is the interval delay reached?
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('TASK-HANDLER: Task ' . $currentTask['id'] . ' diff=' . $diff . ',task_interval_delay=' . $currentTask['task_interval_delay'] . ',task_max_runs=' . $currentTask['task_max_runs'] . ',task_total_runs=' . $currentTask['task_total_runs']);
if ((($diff < $currentTask['task_interval_delay']) && ($currentTask['task_max_runs'] == 0)) || (($currentTask['task_max_runs'] > 0) && ($currentTask['task_total_runs'] == $currentTask['task_max_runs']))) {
// Should we update the task from startup?
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: currentTask[id]=%s has reached interval ... updateTask=%d', $currentTask['id'], intval($updateTask)));
if ($updateTask === true) {
// Update the task before leaving
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: Updating task %s ...', $currentTask['id']));
$this->updateTask($currentTask);
- } // END - if
+ }
// Skip this silently
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: Task %s has been updated - EXIT!', $currentTask['id']));
return;
- } // END - if
+ }
// Set last activity
$currentTask['task_last_activity'] = $this->getMilliTime();
$currentTask['task_total_runs']++;
// Update the task
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: Updating task %s ...', $currentTask['id']));
$this->updateTask($currentTask);
// And visit/run it
// @TODO Messurement can be added around this call
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: Invoking currentTask[task_instance]->accept(%s), task_instance=%s ...', $this->getVisitorInstance()->__toString(), $currentTask['task_instance']->__toString()));
$currentTask['task_instance']->accept($this->getVisitorInstance());
+
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: EXIT!');
}
/**
*/
private function updateTask (array $taskEntry) {
// Get the key from current iteration
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: taskEntry()=%d - CALLED!', count($taskEntry)));
$key = $this->getListInstance()->getIterator()->key();
// Get the hash from key
- $hash = $this->getListInstance()->getHash($key);
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: key=%s', $key));
+ $hash = $this->getListInstance()->getHashByIndex($key);
// Update the entry
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: Invoking this->listInstance->updateCurrentEntryByHash(%s,taskEntry()=%d) ...', $hash, count($taskEntry)));
$this->getListInstance()->updateCurrentEntryByHash($hash, $taskEntry);
+
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: EXIT!');
}
/**
* @return void
*/
private function unregisterTask (array $taskData) {
- // Debug output
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('TASK-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Removing task ' . $taskData['id'] . ' from queue - CALLED!');
-
// Remove the entry
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: Removing task %s from queue - CALLED!', $taskData['id']));
$this->getListInstance()->removeEntry('tasks', $taskData);
- // Debug output
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('TASK-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Removing task ' . $taskData['id'] . ' from queue - EXIT!');
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: Removing task %s from queue - EXIT!', $taskData['id']));
}
/**
*/
public function searchTask (Taskable $taskInstance) {
// Default is an empty (not found) task name
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: taskInstance=%s - CALLED!', $taskInstance->__toString()));
$taskName = '';
// Get whole list
$taskList = $this->getListInstance()->getArrayFromList('tasks');
// Search all instances
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: taskList()=%d', count($taskList)));
foreach ($taskList as $currentTask) {
// Does it match given task instance?
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: currentTask[id=%s', $currentTask['id']));
if ($currentTask['task_instance']->equals($taskInstance)) {
// Found it
$taskName = $currentTask['id'];
// Abort here
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: taskName=%s - BREAK!', $taskName));
break;
- } // END - if
- } // END - foreach
+ }
+ }
// Return found name
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: taskName=%s - EXIT!', $taskName));
return $taskName;
}
* Registers a task with a task handler.
*
* @param $taskName A task name to register the task on
- * @param $taskInstance The instance that should be registered as a task
+ * @param $taskInstance An instance of a Taskable class
* @return void
+ * @throws InvalidArgumentException If a parameter is not valid
+ * @throws UnexpectedValueException If an unexpected value has been configured
*/
- public function registerTask ($taskName, Visitable $taskInstance) {
- // Get interval delay
- $intervalDelay = $this->getConfigInstance()->getConfigEntry('task_' . $taskName . '_interval_delay');
- $startupDelay = $this->getConfigInstance()->getConfigEntry('task_' . $taskName . '_startup_delay');
+ public function registerTask (string $taskName, Taskable $taskInstance) {
+ // Is the parameter valid
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: taskName=%s,taskInstance - CALLED!', $taskName, $taskInstance->__toString()));
+ if (empty($taskName)) {
+ // Task name cannot be empty
+ throw new InvalidArgumentException('Parameter "taskName" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
+ }
+
+ // Get interval delay, startup delay and max runs
+ $intervalDelay = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('task_' . $taskName . '_interval_delay');
+ $startupDelay = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('task_' . $taskName . '_startup_delay');
+ $maxRuns = FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('task_' . $taskName . '_max_runs');
// If the task is 'idle_loop', a deplay of zero seconds is fine
- assert($intervalDelay >= 0);
- assert(($taskName === 'idle_loop') || (($taskName != 'idle_loop') && ($intervalDelay > 0)));
- assert(($taskName === 'idle_loop') || (($taskName != 'idle_loop') && ($startupDelay > 0)));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: intervalDelay=%d,startupDelay=%d,maxRuns=%d', $intervalDelay, $startupDelay, $maxRuns));
+ if ($intervalDelay < 0) {
+ // Invalid configuration value
+ throw new UnexpectedValueException(sprintf('taskName=%s has intervalDelay=%d below zero', $taskName, $intervalDelay), FrameworkInterface::EXCEPTION_UNEXPECTED_VALUE);
+ } elseif ($startupDelay < 0) {
+ // Invalid configuration value
+ throw new UnexpectedValueException(sprintf('taskName=%s has startupDelay=%d below zero', $taskName, $startupDelay), FrameworkInterface::EXCEPTION_UNEXPECTED_VALUE);
+ } elseif ($maxRuns < 0) {
+ // Invalid configuration value
+ throw new UnexpectedValueException(sprintf('taskName=%s has maxRuns=%d below zero', $taskName, $maxRuns), FrameworkInterface::EXCEPTION_UNEXPECTED_VALUE);
+ } elseif ($taskName != 'idle_loop' && $intervalDelay == 0) {
+ // Only idle_loop can have a zero interval delay
+ throw new UnexpectedValueException(sprintf('taskName=%s has zero interval delay which is only valid for "idle_loop" task', $taskName), FrameworkInterface::EXCEPTION_UNEXPECTED_VALUE);
+ } elseif ($taskName != 'idle_loop' && $startupDelay == 0) {
+ // Only idle_loop can have a zero interval delay
+ throw new UnexpectedValueException(sprintf('taskName=%s has zero startup delay which is only valid for "idle_loop" task', $taskName), FrameworkInterface::EXCEPTION_UNEXPECTED_VALUE);
+ }
// Create the entry
- $taskEntry = array(
+ $taskEntry = [
// Identifier for the generateHash() method
'id' => $taskName,
// Whether the task is started
// Interval time (delay) in milliseconds before this task is executed again
'task_interval_delay' => $intervalDelay,
// How often should this task run?
- 'task_max_runs' => $this->getConfigInstance()->getConfigEntry('task_' . $taskName . '_max_runs'),
- );
+ 'task_max_runs' => $maxRuns,
+ ];
// Add the entry
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: Invoking this->listInstance->addEntry(tasks,taskEntry()=%d) ...', count($taskEntry)));
$this->getListInstance()->addEntry('tasks', $taskEntry);
// Debug message
- self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('TASK-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Task registered: taskName=' . $taskName .
- ' (taskInstance=' . $taskInstance->__toString() . ')' .
- ', startupDelay=' . $taskEntry['task_startup_delay'] . 'ms' .
- ', intervalDelay=' . $taskEntry['task_interval_delay'] . 'ms' .
- ', maxRuns=' . $taskEntry['task_max_runs'] . ' ...'
- );
+ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: Task registered: taskName=%s (taskInstance=%s), startupDelay=%dms, intervalDelay=%dms, maxRuns=%d ...',
+ $taskName,
+ $taskInstance->__toString(),
+ $taskEntry['task_startup_delay'],
+ $taskEntry['task_interval_delay'],
+ $taskEntry['task_max_runs'],
+ ));
+
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: EXIT!');
}
/**
*/
public function hasTasksLeft () {
// Do we have tasks there?
- $tasksLeft = (($this->getListInstance() instanceof Listable) && ($this->getListInstance()->count() > 0));
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: CALLED!');
+ $tasksLeft = ($this->getListInstance()->count() > 0);
// Return result
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: tasksLeft=%d - EXIT!', intval($tasksLeft)));
return $tasksLeft;
}
*/
public function handleTasks () {
// Should we rewind?
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: CALLED!');
if (!$this->getListInstance()->getIterator()->valid()) {
// Rewind to the beginning for next loop
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: Invoking this->listInstance->iterator->rewind() ...');
$this->getListInstance()->getIterator()->rewind();
- } // END - if
+ }
// Try to execute the task
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: Invoking this->executeCurrentTask() ...');
$this->executeCurrentTask();
// Go to next entry
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: Invoking this->listInstance->iterator->next() ...');
$this->getListInstance()->getIterator()->next();
+
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: EXIT!');
}
/**
*/
public function doShutdown () {
// Always rewind to the beginning for next loop
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: Invoking this->listInstance->iterator->rewind() - CALLED!');
$this->getListInstance()->getIterator()->rewind();
- // Debug message
- self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('TASK-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Shutting down all ' . $this->getListInstance()->count() . ' tasks...');
-
// Remember all tasks that has been shutdown for removal
- $tasks = array();
+ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: Shutting down all %d tasks...', $this->getListInstance()->count()));
+ $tasks = [];
// Instance a visitor
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('TASK-HANDLER: Setting visitorInstance=shutdown_task_visitor_class from configuration ...');
$this->setVisitorInstance(ObjectFactory::createObjectByConfiguredName('shutdown_task_visitor_class'));
// Shutdown all tasks in once go
// Get current entry
$currentTask = $this->getListInstance()->getIterator()->current();
- // Output debug message
- self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('TASK-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Shutting down task ' . $currentTask['id'] . ' (taskInstance=' . $currentTask['task_instance']->__toString() . ') ...');
-
// Shutdown the task
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage('TASK-HANDLER: Shutting down task ' . $currentTask['id'] . ' (taskInstance=' . $currentTask['task_instance']->__toString() . ') ...');
$currentTask['task_instance']->accept($this->getVisitorInstance());
// Remember this task
array_push($tasks, $currentTask);
// Advance to next one
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: Invoking this->listInstance->iterator->next() ...');
$this->getListInstance()->getIterator()->next();
- } // END - while
-
- // Debug message
- self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('TASK-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Shutdown of all tasks completed.');
+ }
// Remove all tasks
- foreach ($tasks as $entry) {
- $this->unregisterTask($entry);
- } // END - foreach
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugMessage(sprintf('TASK-HANDLER: Shutdown of all tasks completed. tasks()=%d', count($tasks)));
+ foreach ($tasks as $taskEntry) {
+ // Unregister this task
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('TASK-HANDLER: Invokint this->unregisterTask(taskEntry()=%d) ...', count($taskEntry)));
+ $this->unregisterTask($taskEntry);
+ }
+
+ // Trace message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage('TASK-HANDLER: EXIT!');
}
}
projects / core.git / blobdiff