Implerment depth-first pre-order workflow graph walker with plug-in node visitors

[MAILPOET-4629]
2022-09-14 15:10:18 +02:00
parent e3668a8187
commit e472c00b1c
6 changed files with 264 additions and 0 deletions
--- a/mailpoet/lib/Automation/Engine/Validation/WorkflowGraph/WorkflowNode.php
+++ b/mailpoet/lib/Automation/Engine/Validation/WorkflowGraph/WorkflowNode.php
@ -0,0 +1,31 @@
+<?php declare(strict_types = 1);
+
+namespace MailPoet\Automation\Engine\Validation\WorkflowGraph;
+
+use MailPoet\Automation\Engine\Data\Step;
+
+class WorkflowNode {
+  /** @var Step */
+  private $step;
+
+  /** @var array */
+  private $parents;
+
+  /* @param Step[] $parents */
+  public function __construct(
+    Step $step,
+    array $parents
+  ) {
+    $this->step = $step;
+    $this->parents = $parents;
+  }
+
+  public function getStep(): Step {
+    return $this->step;
+  }
+
+  /** @return Step[] */
+  public function getParents(): array {
+    return $this->parents;
+  }
+}