Package com.google.inject.spi
Class MembersInjectorLookup<T>
java.lang.Object
com.google.inject.spi.MembersInjectorLookup<T>
- All Implemented Interfaces:
Element
A lookup of the members injector for a type. Lookups are created explicitly in a module using
getMembersInjector() statements:
MembersInjector<PaymentService> membersInjector
= getMembersInjector(PaymentService.class);- Since:
- 2.0
- Author:
- crazybob@google.com (Bob Lee)
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescription<T> TacceptVisitor(ElementVisitor<T> visitor) Accepts an element visitor.voidWrites this module element to the given binder (optional operation).booleanReturns the delegate members injector, ornullif it has not yet been initialized.Returns the instance methods and fields that will be injected to fulfill this request.Returns the looked up members injector.Returns an arbitrary object containing information about the "place" where this element was configured.getType()Gets the type containing the members to be injected.inthashCode()voidinitializeDelegate(MembersInjector<T> delegate) Sets the actual members injector.
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Constructor Details
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MembersInjectorLookup
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Method Details
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getSource
Description copied from interface:ElementReturns an arbitrary object containing information about the "place" where this element was configured. Used by Guice in the production of descriptive error messages.Tools might specially handle types they know about;
StackTraceElementis a good example. Tools should simply calltoString()on the source object if the type is unfamiliar. -
getType
Gets the type containing the members to be injected. -
acceptVisitor
Description copied from interface:ElementAccepts an element visitor. Invokes the visitor method specific to this element's type.- Specified by:
acceptVisitorin interfaceElement- Parameters:
visitor- to call back on
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initializeDelegate
Sets the actual members injector.- Throws:
IllegalStateException- if the delegate is already set
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applyTo
Description copied from interface:ElementWrites this module element to the given binder (optional operation). -
getDelegate
Returns the delegate members injector, ornullif it has not yet been initialized. The delegate will be initialized when this element is processed, or otherwise used to create an injector. -
getInjectionPoints
Returns the instance methods and fields that will be injected to fulfill this request.- Returns:
- a possibly empty set of injection points. The set has a specified iteration order. All fields are returned and then all methods. Within the fields, supertype fields are returned before subtype fields. Similarly, supertype methods are returned before subtype methods.
- Throws:
ConfigurationException- if there is a malformed injection point on the class ofinstance, such as a field with multiple binding annotations. The exception'spartial valueis aSet<InjectionPoint>of the valid injection points.- Since:
- 4.2.3
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getMembersInjector
Returns the looked up members injector. The result is not valid until this lookup has been initialized, which usually happens when the injector is created. The members injector will throw anIllegalStateExceptionif you try to use it beforehand. -
equals
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hashCode
public int hashCode()
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