MaestroStartTask.php in Maestro 8.2

Namespace

Drupal\maestro\Plugin\EngineTasks

File

src/Plugin/EngineTasks/MaestroStartTask.php

<?php

namespace Drupal\maestro\Plugin\EngineTasks;

use Drupal\Core\Plugin\PluginBase;
use Drupal\maestro\MaestroEngineTaskInterface;
use Drupal\maestro\MaestroTaskTrait;
use Drupal\Core\Form\FormStateInterface;
use Drupal\maestro\Form\MaestroExecuteInteractive;

/**
 * Maestro Start Task Plugin.
 *
 * The plugin annotations below should include:
 * id: The task type ID for this task.  For Maestro tasks, this is Maestro[TaskType].
 *     So for example, the start task shipped by Maestro is MaestroStart.
 *     The Maestro End task has an id of MaestroEnd
 *     Those task IDs are what's used in the engine when a task is injected into the queue.
 *
 * @Plugin(
 *   id = "MaestroStart",
 *   task_description = @Translation("The Maestro Engine's start task."),
 * )
 */
class MaestroStartTask extends PluginBase implements MaestroEngineTaskInterface {
  use MaestroTaskTrait;

  /**
   * Constructor.
   */
  public function __construct($configuration = NULL) {
    if (is_array($configuration)) {
      $this->processID = $configuration[0];
      $this->queueID = $configuration[1];
    }
  }

  /**
   * {@inheritDoc}
   */
  public function isInteractive() {
    return FALSE;
  }

  /**
   * {@inheritDoc}
   */
  public function shortDescription() {
    return t('Start Task');
  }

  /**
   * {@inheritDoc}
   */
  public function description() {
    return $this
      ->t('Start Task.');
  }

  /**
   * {@inheritDoc}
   *
   * @see \Drupal\Component\Plugin\PluginBase::getPluginId()
   */
  public function getPluginId() {
    return 'MaestroStart';
  }

  /**
   * {@inheritDoc}
   */
  public function getTaskColours() {
    return '#00ff00';
  }

  /**
   * Part of the ExecutableInterface
   * Execution of the Start task does nothing except return true to signal the engine to complete it.
   * {@inheritdoc}.
   */
  public function execute() {
    return TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function getExecutableForm($modal, MaestroExecuteInteractive $parent) {
  }

  /**
   * {@inheritdoc}
   */
  public function handleExecuteSubmit(array &$form, FormStateInterface $form_state) {
  }

  /**
   * {@inheritdoc}
   */
  public function getTaskEditForm(array $task, $templateMachineName) {
    $form = [
      '#markup' => t('There is nothing to edit on a Start Task'),
    ];
    return $form;
  }

  /**
   * {@inheritDoc}
   */
  public function validateTaskEditForm(array &$form, FormStateInterface $form_state) {
  }

  /**
   * {@inheritDoc}
   */
  public function prepareTaskForSave(array &$form, FormStateInterface $form_state, array &$task) {
  }

  /**
   * {@inheritDoc}
   */
  public function performValidityCheck(array &$validation_failure_tasks, array &$validation_information_tasks, array $task) {

    // Nothing to validate.
  }

  /**
   * {@inheritDoc}
   */
  public function getTemplateBuilderCapabilities() {
    return [
      'drawlineto',
      'removelines',
    ];
  }

}

Classes

Name	Description
MaestroStartTask	Maestro Start Task Plugin.