Java High-Performance Architecture
Apr 21, 2022 · Backend Development
From Simple Chain to Dynamic Tree: Building a Flexible Workflow Engine Step by Step
The article walks through the evolution of a custom workflow engine, starting with a linear approval chain and progressively adding parallel, conditional, nested, and proxy nodes, while introducing node states, time limits, scripts, and progress metrics to handle increasingly complex business requirements.
Workflowapproval-processengine design
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