[DI] Allow get available services from service locator #23915
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This is a nice addition to ease debugging I suppose. I just don't think this is how you should handle these errors runtime though, might want to solve it without service locator? |
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Service locator is needed here. |
nicolas-grekas
approved these changes
Aug 18, 2017
chalasr
approved these changes
Aug 18, 2017
fabpot
approved these changes
Aug 18, 2017
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Thank you @Koc. |
fabpot
added a commit
that referenced
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Aug 18, 2017
… (Koc)
This PR was merged into the 3.4 branch.
Discussion
----------
[DI] Allow get available services from service locator
| Q | A
| ------------- | ---
| Branch? | 3.4
| Bug fix? | no
| New feature? | yes
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | -
| License | MIT
| Doc PR | -
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Sometimes we are using service locators and throw context specific exceptions if service not found inside it. Would be nice inform user about available services in our custom exception, like:
```php
try {
return $this->transports->get($transport);
} catch (NotFoundExceptionInterface $e) {
$availableTransports = method_exists($e, 'getAlternatives') ? $e->getAlternatives() : [];
throw TransportNotFoundException::create($transport, $availableTransports, $e);
}
```
Commits
-------
4993b1c Allow to get alternatives when ServiceNotFoundException occurs.
This was referenced Oct 18, 2017
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Sometimes we are using service locators and throw context specific exceptions if service not found inside it. Would be nice inform user about available services in our custom exception, like: