workflow api draft

json-definition.json

{
    "start": "paymentTypeConditionalNode",
    "paymentTypeConditionalNode": {
        "credit_card": "creditcardSubWorkflow",
        "debit_card": "debitSubWorkflow"
    },
    "creditcardSubWorkflow": "endMergeNode",
    "debitSubWorkflow": "endMergeNode",
    "endMergeNode": "end"
}

php-definition.php

<?php

$startNode = new StartNode();
$creditcardSubWorkflow = new CreditcardSubWorkflow();
$debitSubWorkflow = new DebitSubWorkflow();
$endMergeNode = new SimpleMergeNode();
$endNode = new EndNode();

$paymentTypeConditionalNode = new ConditionalNode("payment_type", [
    PaymentTypes::CREDIT_CARD => $creditcardSubWorkflow,
    PaymentTypes::DEBIT => $debitSubWorkflow
]);

//Flow
$startNode->then($paymentTypeConditionalNode);
$creditcardSubWorkflow->then($endMergeNode);
$debitSubWorkflow->then($endMergeNode);
$endMergeNode->then($endNode);

$workflow = new Workflow($startNode);

// Running Workflow
$workflow->set("payment_type", PaymentTypes::CREDIT_CARD);
$workflowExecutor = new WorkflowExecutor($workflow);
$workflowExecutor->resume();

yaml-definition.yml

start: paymentTypeConditionalNode
paymentTypeConditionalNode:
    credit_card: creditcardSubWorkflow
    debit_card: debitSubWorkflow
creditcardSubWorkflow: endMergeNode
debitSubWorkflow: endMergeNode
endMergeNode: end