Author: limpbizkit
Date: Sun Nov 16 18:14:20 2008
New Revision: 688
Added:
wiki/BindingResolution.wiki
Log:
Created wiki page through web user interface.
Added: wiki/BindingResolution.wiki
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+++ wiki/BindingResolution.wiki Sun Nov 16 18:14:20 2008
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+#summary How the Injector resolves injection requests
+=Binding Resolution=
+The injector's process of resolving an injection request depends on the
bindings and the annotations of the types involved. Here's how an
injection request is resolved:
+ # *Use explicit bindings.*
+ * If the binding links to another, follow this resolution algorithm
for that.
+ * If the binding specifies an instance, return that.
+ * If the binding specifies a provider, use that.
+ # *Ask a parent injector.* If this injector has a parent injector, ask
that to resolve the binding. If it succeeds, use that. Otherwise proceed.
+ # *Ask child injectors.* If any child injector already has this binding,
give up. A blacklist of bindings from child injectors is kept so injectors
don't need to maintain references to their child injectors.
+ # *Handle Provider injections.* If the type is `Provider<T>`, resolve
`T` instead, using the same binding annotation, if it exists.
+ # *Convert constants.* If there is a constant string bound with the same
annotation, and a `TypeConverter` that supports this type, use the
converted String.
+ # *If the dependency has a binding annotation, give up.* Guice will not
create default bindings for annotated dependencies.
+ # *If the dependency is an array or enum, give up.*
+ # *Handle !TypeLiteral injections*. If the type is `TypeLiteral<T>`,
inject that value, using context for the value of the type parameter.
+ # *Use resolution annotations.* If the dependency's type has
[EMAIL PROTECTED] or [EMAIL PROTECTED], lookup the binding for the referenced
type and use that.
+ # *If the dependency is abstract or a non-static inner class, give up.*
+ # *Use a single [EMAIL PROTECTED] or public no-arguments constructor.*
+ # Validate bindings for all dependencies — the constructor's
parameters, plus [EMAIL PROTECTED] methods and fields of the type and all
supertypes.
+ # Invoke the constructor.
+ # Inject all fields. Supertype fields are injected before subtype
fields.
+ # Inject all methods. Supertype methods are injected before subtype
methods.
\ No newline at end of file
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