io.micronaut.inject.qualifiers

Class AnyQualifier<T>

java.lang.Object

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

Type Parameters:

T - The generic type

All Implemented Interfaces:

Qualifier<T>

@Internal
public final class AnyQualifier<T>
extends java.lang.Object
implements Qualifier<T>

A qualifier to lookup any type.

Since:

3.0.0

Field Summary

Fields

Modifier and Type	Field and Description
static AnyQualifier	INSTANCE

Fields inherited from interface io.micronaut.context.Qualifier

PRIMARY

Method Summary

Modifier and Type	Method and Description
boolean	contains(Qualifier<T> qualifier) Whether this qualifier contains the given qualifier.
<BT extends BeanType<T>> java.util.Optional<BT>	qualify(java.lang.Class<T> beanType, java.util.stream.Stream<BT> candidates) Qualify the candidate from the stream of candidates.
<BT extends BeanType<T>> java.util.stream.Stream<BT>	reduce(java.lang.Class<T> beanType, java.util.stream.Stream<BT> candidates)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final AnyQualifier INSTANCE

Method Detail

reduce

public <BT extends BeanType<T>> java.util.stream.Stream<BT> reduce(java.lang.Class<T> beanType,
                                                                   java.util.stream.Stream<BT> candidates)

Specified by:

reduce in interface Qualifier<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

contains

public boolean contains(Qualifier<T> qualifier)

Description copied from interface: Qualifier

Whether this qualifier contains the given qualifier.

Specified by:

contains in interface Qualifier<T>

Parameters:

qualifier - The qualifier

Returns:

True it does

qualify

public <BT extends BeanType<T>> java.util.Optional<BT> qualify(java.lang.Class<T> beanType,
                                                               java.util.stream.Stream<BT> candidates)

Description copied from interface: Qualifier

Qualify the candidate from the stream of candidates.

Specified by:

qualify in interface Qualifier<T>

Type Parameters:

BT - The bean type subclass

Parameters:

beanType - The bean type

candidates - The candidates

Returns:

The qualified candidate or Optional.empty()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object