org.osgl.inject

Interface Injector

All Known Implementing Classes:

Genie

public interface Injector

A generic Injector interface defines the contract a dependency injector like Genie should provide.

Method Summary

Modifier and Type	Method and Description
<T> T	get(java.lang.Class<T> type) Returns a bean of given type.
<T> Provider<T>	getProvider(java.lang.Class<T> type) Returns a provider of given type.
boolean	isInheritedScopeStopper(java.lang.Class<? extends java.lang.annotation.Annotation> annoClass) Check if a supplied annotation class is a StopInheritedScope annotation or alias of that annotation.
boolean	isPostConstructProcessor(java.lang.Class<? extends java.lang.annotation.Annotation> annoClass) Check if a supplied annotation class specifies a PostConstructProcessor.
boolean	isQualifier(java.lang.Class<? extends java.lang.annotation.Annotation> annoClass) Check if a supplied annotation class is a Qualifier.
boolean	isScope(java.lang.Class<? extends java.lang.annotation.Annotation> annoClass) Check if a supplied annotation class is a Scope annotation.
java.lang.Class<? extends java.lang.annotation.Annotation>	scopeByAlias(java.lang.Class<? extends java.lang.annotation.Annotation> alias) Returns the scope annotation type from an alias annotation type.

Method Detail

get

<T> T get(java.lang.Class<T> type)

Returns a bean of given type.

Type Parameters:

T - generic type of the bean

Parameters:

type - the class of the bean

Returns:

the bean

getProvider

<T> Provider<T> getProvider(java.lang.Class<T> type)

Returns a provider of given type.

Type Parameters:

T - the generic type of the bean

Parameters:

type - the class of the bean that provider provides

Returns:

the provider that provides the bean

isQualifier

boolean isQualifier(java.lang.Class<? extends java.lang.annotation.Annotation> annoClass)

Check if a supplied annotation class is a Qualifier.

Parameters:

annoClass - the annotation type

Returns:

true if the annotation type is a qualifier or false otherwise

isPostConstructProcessor

boolean isPostConstructProcessor(java.lang.Class<? extends java.lang.annotation.Annotation> annoClass)

Check if a supplied annotation class specifies a PostConstructProcessor.

Parameters:

annoClass - the annotation type

Returns:

true if the annotation type specifies post construct processor

isScope

boolean isScope(java.lang.Class<? extends java.lang.annotation.Annotation> annoClass)

Check if a supplied annotation class is a Scope annotation.

Parameters:

annoClass - the annotation type

Returns:

true if the annotation type indicate a scope

isInheritedScopeStopper

boolean isInheritedScopeStopper(java.lang.Class<? extends java.lang.annotation.Annotation> annoClass)

Check if a supplied annotation class is a StopInheritedScope annotation or alias of that annotation.

Parameters:

annoClass - the annotation type

Returns:

true if the annotation type is inherited scope stopper

scopeByAlias

java.lang.Class<? extends java.lang.annotation.Annotation> scopeByAlias(java.lang.Class<? extends java.lang.annotation.Annotation> alias)

Returns the scope annotation type from an alias annotation type.

Parameters:

alias - the alias of the scope annotation

Returns:

the scope annotation type if found