io.micronaut.core.beans

Interface BeanIntrospector

@Immutable
public interface BeanIntrospector

Primary interface for obtaining BeanIntrospection instances that are computed at compilation time.

Since:

1.0

Author:

graemerocher

See Also:

Introspected, BeanIntrospection

Field Summary

Fields

Modifier and Type	Field and Description
static BeanIntrospector	SHARED The default shared BeanIntrospector.

Method Summary

Modifier and Type	Method and Description
<T> Optional<BeanIntrospection<T>>	findIntrospection(Class<T> beanType) Find a BeanIntrospection for the given bean type.
default Collection<BeanIntrospection<Object>>	findIntrospections(Class<? extends Annotation> stereotype) Finds introspections for classes annotated with the given stereotype.
default Collection<BeanIntrospection<Object>>	findIntrospections(Class<? extends Annotation> stereotype, String... packageNames) Finds introspections for classes annotated with the given stereotype.
Collection<BeanIntrospection<Object>>	findIntrospections(Predicate<? super BeanIntrospectionReference> filter) Finds introspections with the given filter.
default <T> BeanIntrospection<T>	getIntrospection(Class<T> beanType) Retrieves an introspection for the given type.

Field Detail

SHARED

static final BeanIntrospector SHARED

The default shared BeanIntrospector.

Method Detail

findIntrospections

@Nonnull
Collection<BeanIntrospection<Object>> findIntrospections(@Nonnull
                                                                  Predicate<? super BeanIntrospectionReference> filter)

Finds introspections with the given filter.

Parameters:

filter - A filter that receives a BeanIntrospectionReference

Returns:

A collection of introspections

findIntrospection

@Nonnull
<T> Optional<BeanIntrospection<T>> findIntrospection(@Nonnull
                                                              Class<T> beanType)

Find a BeanIntrospection for the given bean type.

Type Parameters:

T - The bean generic type

Parameters:

beanType - The bean type

Returns:

An optional introspection

findIntrospections

@Nonnull
default Collection<BeanIntrospection<Object>> findIntrospections(@Nonnull
                                                                          Class<? extends Annotation> stereotype)

Finds introspections for classes annotated with the given stereotype.

Parameters:

stereotype - The stereotype

Returns:

The introspections

findIntrospections

@Nonnull
default Collection<BeanIntrospection<Object>> findIntrospections(@Nonnull
                                                                          Class<? extends Annotation> stereotype,
                                                                          @Nonnull
                                                                          String... packageNames)

Finds introspections for classes annotated with the given stereotype.

Parameters:

stereotype - The stereotype

packageNames - The package names to include in the search

Returns:

The introspections

getIntrospection

@Nonnull
default <T> BeanIntrospection<T> getIntrospection(@Nonnull
                                                           Class<T> beanType)

Retrieves an introspection for the given type.

Type Parameters:

T - The bean generic type

Parameters:

beanType - The bean type

Returns:

The introspection

Throws:

IntrospectionException - If no introspection data is found and the bean is not annotated with Introspected