Class ServiceAnnotationObjectProvider
java.lang.Object
org.apache.tapestry5.internal.services.ServiceAnnotationObjectProvider
- All Implemented Interfaces:
ObjectProvider
Adds support for the
Service
annotation (which can be applied to fields or parameters), which is used to
disambiguate injection when multiple services implement the same service interface.-
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescription<T> T
provide
(Class<T> objectType, AnnotationProvider annotationProvider, ObjectLocator locator) Provides an object based on an expression.
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Constructor Details
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ServiceAnnotationObjectProvider
public ServiceAnnotationObjectProvider()
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Method Details
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provide
public <T> T provide(Class<T> objectType, AnnotationProvider annotationProvider, ObjectLocator locator) Description copied from interface:ObjectProvider
Provides an object based on an expression. The process of providing objects occurs within a particular context, which will typically be a service builder method, service contributor method, or service decorator method. The locator parameter provides access to the services visible to that context.- Specified by:
provide
in interfaceObjectProvider
- Parameters:
objectType
- the expected object typeannotationProvider
- provides access to annotations (typically, the field or parameter to which an injection-related annotation is attached); annotations on the field or parameter may also be used when resolving the desired objectlocator
- locator for the context in which the provider is being used- Returns:
- the requested object, or null if this object provider can not supply an object
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