io.micronaut.inject.qualifiers

Class ClosestTypeArgumentQualifier<T>

java.lang.Object

io.micronaut.inject.qualifiers.TypeArgumentQualifier<T>

io.micronaut.inject.qualifiers.ClosestTypeArgumentQualifier<T>

Type Parameters:

T - The type

All Implemented Interfaces:

Qualifier<T>

@Internal
public class ClosestTypeArgumentQualifier<T>
extends TypeArgumentQualifier<T>

A Qualifier that qualifies beans by generic type arguments and only returns the candidates that most closely match.

Since:

1.1.1

Author:

James Kleeh

Field Summary

Fields inherited from interface io.micronaut.context.Qualifier

PRIMARY

Method Summary

Modifier and Type	Method and Description
protected int	compare(List<Class> classesToCompare)
<BT extends BeanType<T>> Stream<BT>	reduce(Class<T> beanType, Stream<BT> candidates)

Methods inherited from class io.micronaut.inject.qualifiers.TypeArgumentQualifier

areTypesCompatible, areTypesCompatible, equals, getTypeArguments, getTypeArguments, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.micronaut.context.Qualifier

contains, qualify

Method Detail

reduce

public <BT extends BeanType<T>> Stream<BT> reduce(Class<T> beanType,
                                                  Stream<BT> candidates)

Specified by:

reduce in interface Qualifier<T>

Overrides:

reduce in class TypeArgumentQualifier<T>

Type Parameters:

BT - The bean type subclass

Parameters:

beanType - The bean type

candidates - The candidates

Returns:

The qualified candidate or null it it cannot be qualified

compare

protected int compare(List<Class> classesToCompare)

Parameters:

classesToCompare - An array of classes

Returns:

Whether the types are compatible