Comments (3)
The reason they are currently abstract is because they benefit from not being as public as the API so to differientate their purpose as opentracing implementers api from opentracing user api.
Implementers can have immediate and abstract subclasses sit in the io.opentracing package, and their final classes subclassing these in whatever package they would like.
It is advantageous to have opentracing's APIs as closed as possible to begin with to avoid unintentional api breakages along the way. Implementers instead opening the visibility of the abstract classes is less of a concern since the implementers own classes are not exposed to as great an audience.
This is good practice in api design.
Nothing is permanent though. The api design practice is that apis are opened when clear examples to open them are provided, ie consumer-driven design.
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Ok thanks for the explanation.
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Np. Feel free to open when there's the use-case to illustrate the benefit.
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Related Issues (20)
- Why doesn't Span support try-with-resources? HOT 4
- Docs reference outdated API HOT 3
- Correct way how to not report fast spans HOT 12
- Unit tests fail with "AbstractMethodError" HOT 2
- Access Custom Tracer's fields through GlobalTracer.get() HOT 4
- Overriding timestamp on spans HOT 3
- TextMapInjectAdapter does not implement TextMap HOT 1
- Not able to get simple opentracing code to work HOT 3
- Missing ScopeManager.active() method HOT 1
- `NoopSpan` cannot be used as a default, parent span without throwing Exception. HOT 6
- try-with-resources (which doesn't work) is still the main documented way to use OpenTracing in java
- Breaking change from 0.31 to 0.33 HOT 6
- TracingKafkaConsumer incompatible with Kafka >= 2.4.0 HOT 1
- access to registered tracer
- Migrating the CI CD from Travis to GitHub Actions HOT 4
- Are there version mappings to OpenTracing Specification?
- Span object is null when passing RequestEntity<?> as a request parameter
- Possible to terminate span on remote system? HOT 2
- State of opentracing-java HOT 1
- Why are some tags missing in the releases? HOT 1
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