Package io.micronaut.inject.qualifiers

Class AnyQualifier<T>

java.lang.Object

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

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

Type Parameters:

T - The generic type

All Implemented Interfaces:

Qualifier<T>

@Internal
public final class AnyQualifier<T>
extends FilteringQualifier<T>

A qualifier to look up any type.

Since:

3.0.0

Field Summary

Fields

Modifier and Type	Field	Description
static final AnyQualifier	INSTANCE

Fields inherited from interface io.micronaut.context.Qualifier

PRIMARY

Method Summary

Modifier and Type	Method	Description
boolean	contains(Qualifier<T> qualifier)	Whether this qualifier contains the given qualifier.
boolean	doesQualify(Class<T> beanType, BeanType<T> candidate)	Check if the candidate qualifies.
boolean	doesQualify(Class<T> beanType, Collection<? extends BeanType<T>> candidates)	Check if at least one candidate qualifies.
<BT extends BeanType<T>> Collection<BT>	filter(Class<T> beanType, Collection<BT> candidates)	Filter the candidates.
<BT extends BeanType<T>> Optional<BT>	qualify(Class<T> beanType, Stream<BT> candidates)	Qualify the candidate from the stream of candidates.
<BT extends BeanType<T>> Stream<BT>	reduce(Class<T> beanType, Stream<BT> candidates)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final AnyQualifier INSTANCE

Method Details

doesQualify

public boolean doesQualify(Class<T> beanType,
 BeanType<T> candidate)

Description copied from interface: Qualifier

Check if the candidate qualifies.

Parameters:

beanType - The bean type

candidate - The candidate

Returns:

true if matches

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 FilteringQualifier<T>

Type Parameters:

BT - The bean type subclass

Parameters:

beanType - The bean type

candidates - The candidates

Returns:

The qualified candidate or null it cannot be qualified

contains

public boolean contains(Qualifier<T> qualifier)

Description copied from interface: Qualifier

Whether this qualifier contains the given qualifier.

Parameters:

qualifier - The qualifier

Returns:

True it does

qualify

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

Description copied from interface: Qualifier

Qualify the candidate from the stream of candidates.

Type Parameters:

BT - The bean type subclass

Parameters:

beanType - The bean type

candidates - The candidates

Returns:

The qualified candidate or Optional.empty()

doesQualify

public boolean doesQualify(Class<T> beanType,
 Collection<? extends BeanType<T>> candidates)

Description copied from interface: Qualifier

Check if at least one candidate qualifies.

Specified by:

doesQualify in interface Qualifier<T>

Overrides:

doesQualify in class FilteringQualifier<T>

Parameters:

beanType - The bean type

candidates - The candidates

Returns:

true if qualifies

filter

public <BT extends BeanType<T>> Collection<BT> filter(Class<T> beanType,
 Collection<BT> candidates)

Description copied from interface: Qualifier

Filter the candidates.

Specified by:

filter in interface Qualifier<T>

Overrides:

filter in class FilteringQualifier<T>

Type Parameters:

BT - The bean type subclass

Parameters:

beanType - The bean type

candidates - The candidates

Returns:

The filtered candidates

toString

public String toString()

Overrides:

toString in class Object