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POJO-actor Tutorial Part 2 (Second Half): Creating Workflows

· 2 min read
Scivics Lab
Scivics Lab
Development Team

POJO-actor Workflow

The second half of our POJO-actor Tutorial Part 2 is now available on CoderLegion! This article teaches you how to integrate plain Java classes into workflow systems.

Article Overview​

This tutorial covers the practical implementation of workflows using the POJO-actor framework.

Four-Step Implementation Process​

  1. POJO Creation - Write ordinary Java classes with business logic, independent of workflow concerns
  2. IIActorRef Implementation - Create an adapter bridging YAML workflows and Java methods
  3. YAML Workflow Definition - Define state-machine-based workflows
  4. Execution Application - Assemble and execute complete workflows

Key Concepts​

The tutorial demonstrates how the callByActionName method serves as the bridge between YAML workflows and Java code. The framework uses ActionResult returns to enable conditional branching—success allows progression while failure triggers alternative execution paths.

Practical Example: Turing Machine​

The article walks through a complete Turing machine implementation:

  • Turing.java - Core business logic with methods like initMachine(), put(), and move()
  • TuringIIAR.java - Adapter translating YAML actions to method calls
  • turing83.yaml - State-transition workflow controlling machine execution
  • TuringWorkflowApp.java - Complete runnable application

Design Philosophy​

Keep workflows simple while maintaining complexity at the POJO level.

This separation of concerns makes both the workflow definitions and the business logic easier to understand and maintain.

Read the Full Article​

Check out the complete tutorial on CoderLegion:

POJO-actor Tutorial Part 2 (Second Half): Creating Workflows

Future posts will cover sub-workflow composition and more advanced patterns!