io.micronaut.inject.qualifiers

Class Qualifiers

java.lang.Object

io.micronaut.inject.qualifiers.Qualifiers

public class Qualifiers
extends Object

Factory for Bean qualifiers.

Since:

1.0

Author:

Graeme Rocher

Constructor Summary

Constructors

Constructor and Description
Qualifiers()

Method Summary

Modifier and Type	Method and Description
static <T> Qualifier<T>	byAnnotation(Annotation annotation) Build a qualifier for the given annotation.
static <T> Qualifier<T>	byAnnotation(AnnotationMetadata metadata, Class<? extends Annotation> type) Build a qualifier for the given annotation.
static <T> Qualifier<T>	byAnnotation(AnnotationMetadata metadata, String type) Build a qualifier for the given annotation.
static <T> Qualifier<T>	byName(String name) Build a qualifier for the given name.
static <T> Qualifier<T>	byQualifiers(Qualifier<T>... qualifiers) Build a qualifier from other qualifiers.
static <T> Qualifier<T>	byStereotype(Class<? extends Annotation> stereotype) Build a qualifier for the given annotation.
static <T> Qualifier<T>	byType(Class... typeArguments) Build a qualifier for the given generic type arguments.
static <T> Qualifier<T>	byTypeArguments(Class... typeArguments) Build a qualifier for the given generic type arguments.
static <T> Qualifier<T>	byTypeArgumentsClosest(Class... typeArguments) Build a qualifier for the given generic type arguments.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Qualifiers

public Qualifiers()

Method Detail

byQualifiers

public static <T> Qualifier<T> byQualifiers(Qualifier<T>... qualifiers)

Build a qualifier from other qualifiers.

Type Parameters:

T - The component type

Parameters:

qualifiers - The qualifiers

Returns:

The qualifier

byName

public static <T> Qualifier<T> byName(String name)

Build a qualifier for the given name.

Type Parameters:

T - The component type

Parameters:

name - The name

Returns:

The qualifier

byAnnotation

public static <T> Qualifier<T> byAnnotation(Annotation annotation)

Build a qualifier for the given annotation.

Type Parameters:

T - The component type

Parameters:

annotation - The annotation

Returns:

The qualifier

byAnnotation

public static <T> Qualifier<T> byAnnotation(AnnotationMetadata metadata,
                                            Class<? extends Annotation> type)

Build a qualifier for the given annotation.

Type Parameters:

T - The component type

Parameters:

metadata - The metadata

type - The annotation type

Returns:

The qualifier

byAnnotation

public static <T> Qualifier<T> byAnnotation(AnnotationMetadata metadata,
                                            String type)

Build a qualifier for the given annotation. This qualifier will match a candidate under the following circumstances:

• If the type parameter is Named then the value of the Named annotation within the metadata is used to match the candidate by name
• If the type parameter is Type then the value of the Type annotation is used to match the candidate by type

Type Parameters:

T - The component type

Parameters:

metadata - The metadata

type - The annotation type

Returns:

The qualifier

byStereotype

public static <T> Qualifier<T> byStereotype(Class<? extends Annotation> stereotype)

Build a qualifier for the given annotation.

Type Parameters:

T - The component type

Parameters:

stereotype - The stereotype

Returns:

The qualifier

byTypeArguments

public static <T> Qualifier<T> byTypeArguments(Class... typeArguments)

Build a qualifier for the given generic type arguments.

Type Parameters:

T - The component type

Parameters:

typeArguments - The generic type arguments

Returns:

The qualifier

byTypeArgumentsClosest

public static <T> Qualifier<T> byTypeArgumentsClosest(Class... typeArguments)

Build a qualifier for the given generic type arguments. Only the closest matches will be returned.

Type Parameters:

T - The component type

Parameters:

typeArguments - The generic type arguments

Returns:

The qualifier

byType

public static <T> Qualifier<T> byType(Class... typeArguments)

Build a qualifier for the given generic type arguments.

Type Parameters:

T - The component type

Parameters:

typeArguments - The generic type arguments

Returns:

The qualifier