Class ServiceAnnotationObjectProvider
- java.lang.Object
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- org.apache.tapestry5.internal.services.ServiceAnnotationObjectProvider
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- All Implemented Interfaces:
ObjectProvider
public class ServiceAnnotationObjectProvider extends java.lang.Object implements ObjectProvider
Adds support for theService
annotation (which can be applied to fields or parameters), which is used to disambiguate injection when multiple services implement the same service interface.
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Constructor Summary
Constructors Constructor Description ServiceAnnotationObjectProvider()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description <T> T
provide(java.lang.Class<T> objectType, AnnotationProvider annotationProvider, ObjectLocator locator)
Provides an object based on an expression.
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Constructor Detail
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ServiceAnnotationObjectProvider
public ServiceAnnotationObjectProvider()
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Method Detail
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provide
public <T> T provide(java.lang.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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