KITFORMA · EDITORIAL GUIDE
How do I resolve two PaymentGateway beans without parameter-name assumptions?
KitForma editorial guide. Two implementations create an ambiguous dependency unless a selection policy narrows candidates. Renaming a constructor parameter is a fragile expression of a business choice.
Step-by-step guidance
Two implementations create an ambiguous dependency unless a selection policy narrows candidates. Renaming a constructor parameter is a fragile expression of a business choice.
Put a meaningful qualifier on the constructor parameter and matching bean, such as
@Qualifier("sandboxGateway"). Use Primary only for a genuinely global default; two primary candidates recreate ambiguity. Prefer configuration-level selection when the entire application switches providers.
Start a minimal context containing both implementations and assert selected behavior, not merely startup success. A qualifier narrows candidates of the required type; it cannot make an unrelated bean implement that interface. Test production and sandbox configurations separately.Sources and verification
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