Package io.micronaut.core.beans

Interface BeanIntrospector

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	Description
static final BeanIntrospector	SHARED	The default shared BeanIntrospector.

Method Summary

Modifier and Type	Method	Description
@NonNull Collection<Class<?>>	findIntrospectedTypes(@NonNull Predicate<? super BeanIntrospectionReference<?>> filter)	Finds introspections with the given filter.
<T> @NonNull Optional<BeanIntrospection<T>>	findIntrospection(@NonNull Class<T> beanType)	Find a BeanIntrospection for the given bean type.
default @NonNull Collection<BeanIntrospection<Object>>	findIntrospections(@NonNull Class<? extends Annotation> stereotype)	Finds introspections for classes annotated with the given stereotype.
default @NonNull Collection<BeanIntrospection<Object>>	findIntrospections(@NonNull Class<? extends Annotation> stereotype, @NonNull String... packageNames)	Finds introspections for classes annotated with the given stereotype.
@NonNull Collection<BeanIntrospection<Object>>	findIntrospections(@NonNull Predicate<? super BeanIntrospectionReference<?>> filter)	Finds introspections with the given filter.
static BeanIntrospector	forClassLoader(ClassLoader classLoader)	Creates a new default bean introspector that uses the given classloader.
default <T> @NonNull BeanIntrospection<T>	getIntrospection(@NonNull Class<T> beanType)	Retrieves an introspection for the given type.

Field Details

SHARED

static final BeanIntrospector SHARED

The default shared BeanIntrospector.

Method Details

forClassLoader

static BeanIntrospector forClassLoader(ClassLoader classLoader)

Creates a new default bean introspector that uses the given classloader.

Parameters:

classLoader - The class loader to load introspections

Returns:

A new bean introspector

Since:

3.0.1

findIntrospections

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

Finds introspections with the given filter.

Parameters:

filter - A filter that receives a BeanIntrospectionReference

Returns:

A collection of introspections

findIntrospectedTypes

@NonNull
@NonNull Collection<Class<?>> findIntrospectedTypes(@NonNull
 @NonNull Predicate<? super BeanIntrospectionReference<?>> filter)

Finds introspections with the given filter.

Parameters:

filter - A filter that receives a BeanIntrospectionReference

Returns:

A collection of introspections

Since:

3.0

findIntrospection

@NonNull
<T> @NonNull Optional<BeanIntrospection<T>> findIntrospection(@NonNull
 @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 @NonNull Collection<BeanIntrospection<Object>> findIntrospections(@NonNull
 @NonNull Class<? extends Annotation> stereotype)

Finds introspections for classes annotated with the given stereotype.

Parameters:

stereotype - The stereotype

Returns:

The introspections

findIntrospections

@NonNull
default @NonNull Collection<BeanIntrospection<Object>> findIntrospections(@NonNull
 @NonNull Class<? extends Annotation> stereotype,
 @NonNull
 @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> @NonNull BeanIntrospection<T> getIntrospection(@NonNull
 @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