Workflow Component
State machines, workflows, places, transitions, guards, event listeners, marking store
1What is a Workflow in Symfony?
What is a Workflow in Symfony?
Resposta
A Workflow in Symfony is a process model that defines the steps (places) and actions (transitions) an object can follow. It manages complex flows where an object can potentially be in multiple states simultaneously, unlike a state machine. The Workflow is based on Petri net concepts and suits business processes with parallel paths.
2What is the main difference between a Workflow and a State Machine in Symfony?
What is the main difference between a Workflow and a State Machine in Symfony?
Resposta
The fundamental difference lies in the number of simultaneous states possible. A State Machine allows only one active state at a time (single_state), ideal for linear flows like an order lifecycle. A Workflow allows multiple simultaneous states (multiple_state), suited for parallel processes like document validation by multiple departments.
3How to define the Workflow type in Symfony's YAML configuration?
How to define the Workflow type in Symfony's YAML configuration?
Resposta
The workflow type is defined via the type option in YAML configuration under framework.workflows.[name]. The two possible values are workflow to allow multiple simultaneous states, or state_machine to allow only one active state. This choice automatically impacts the marking store type used.
What is a place in the context of Symfony's Workflow component?
How to define a transition in Symfony's Workflow configuration?
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