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Informations about the package pipeline
Simple Recursive Pipeline with few dependencies
With this lib, we are able to separate long executions into multiple tasks. A pipeline enables you to better fulfill single responsibility requirements. This results in better maintainability and testability.
How to
- The Pipeline passes the Payload and its self into the task.
public function __invoke(PayloadInterface $payload, PipelineInterface $pipeline): PayloadInterface;
- The first task calls the next task, calls the next task, calls the next task ...
$payloadAfterAllSteps = $pipeline->handle($payload);
- Like in PSR-7 (the request object) you are now able to handle all information by adding and getting information from a payload object
Step-by-Step
- Create Task(s)
- Initialize Pipeline
- Fill Payload
- Execute Pipe
- Evaluate Pipe
Use Pipeline Service
You are able to simple create your pipelines from your DI (PSR-11 Container Service Manager required). It just takes two lines of code (+Config)
The PipelineService class allows you to pass tasks as service hashes.
``
With teewurst/Pipeline you are able to create quite complex tasks in no time:
### Best Practices
- Use `RecursivePipeline` to create "Sub Pipelines" => Dynamic Tasks
- Because of the Structure every task has a "before handle next step" and "after handle next step"
- Interrupt pipeline by throwing an exception or return $payload without handling the next step
### Examples
##### Initialize Pipeline manually
Of course it would be better to use DI instead of `new` all the time
##### Simple Task which does something
Use the pipeline object to pass configuration and handle data between tasks
##### Exception Handling Task
Handle (maybe only certain) exceptions within the pipe
##### Error Bag
Process multiple errors with error bags