Class TypeBasedParameterResolver<T>
- java.lang.Object
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- org.junit.jupiter.api.extension.support.TypeBasedParameterResolver<T>
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- Type Parameters:
T- the type of the parameter supported by thisParameterResolver
- All Implemented Interfaces:
Extension,ParameterResolver
@API(status=EXPERIMENTAL, since="5.6") public abstract class TypeBasedParameterResolver<T> extends java.lang.Object implements ParameterResolverParameterResolveradapter which resolves a parameter based on its exact type.- Since:
- 5.6
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Constructor Summary
Constructors Constructor Description TypeBasedParameterResolver()
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description abstract TresolveParameter(ParameterContext parameterContext, ExtensionContext extensionContext)Resolve an argument for theParameterin the suppliedParameterContextfor the suppliedExtensionContext.booleansupportsParameter(ParameterContext parameterContext, ExtensionContext extensionContext)Determine if this resolver supports resolution of an argument for theParameterin the suppliedParameterContextfor the suppliedExtensionContext.
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Method Detail
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supportsParameter
public final boolean supportsParameter(ParameterContext parameterContext, ExtensionContext extensionContext)
Description copied from interface:ParameterResolverDetermine if this resolver supports resolution of an argument for theParameterin the suppliedParameterContextfor the suppliedExtensionContext.The
MethodorConstructorin which the parameter is declared can be retrieved viaParameterContext.getDeclaringExecutable().- Specified by:
supportsParameterin interfaceParameterResolver- Parameters:
parameterContext- the context for the parameter for which an argument should be resolved; nevernullextensionContext- the extension context for theExecutableabout to be invoked; nevernull- Returns:
trueif this resolver can resolve an argument for the parameter- See Also:
ParameterResolver.resolveParameter(org.junit.jupiter.api.extension.ParameterContext, org.junit.jupiter.api.extension.ExtensionContext),ParameterContext
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resolveParameter
public abstract T resolveParameter(ParameterContext parameterContext, ExtensionContext extensionContext) throws ParameterResolutionException
Description copied from interface:ParameterResolverResolve an argument for theParameterin the suppliedParameterContextfor the suppliedExtensionContext.This method is only called by the framework if
ParameterResolver.supportsParameter(org.junit.jupiter.api.extension.ParameterContext, org.junit.jupiter.api.extension.ExtensionContext)previously returnedtruefor the sameParameterContextandExtensionContext.The
MethodorConstructorin which the parameter is declared can be retrieved viaParameterContext.getDeclaringExecutable().- Specified by:
resolveParameterin interfaceParameterResolver- Parameters:
parameterContext- the context for the parameter for which an argument should be resolved; nevernullextensionContext- the extension context for theExecutableabout to be invoked; nevernull- Returns:
- the resolved argument for the parameter; may only be
nullif the parameter type is not a primitive - Throws:
ParameterResolutionException- See Also:
ParameterResolver.supportsParameter(org.junit.jupiter.api.extension.ParameterContext, org.junit.jupiter.api.extension.ExtensionContext),ParameterContext
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