io.micronaut.inject.visitor

Interface BeanElementVisitor<A extends java.lang.annotation.Annotation>

Type Parameters:

A - An annotation type to limit visitation to a subset of beans

All Superinterfaces:

Ordered, Toggleable

public interface BeanElementVisitor<A extends java.lang.annotation.Annotation>
extends Ordered, Toggleable

Allows visiting a bean to perform any validation prior to when bean definitions are written out.

Since:

3.0.0

Author:

graemerocher

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.List<BeanElementVisitor<?>>	VISITORS The available visitors.

Fields inherited from interface io.micronaut.core.order.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Method Summary

Modifier and Type	Method and Description
default void	finish(VisitorContext visitorContext) Called once when visitor processing finishes.
default void	start(VisitorContext visitorContext) Called once when visitor processing starts.
default boolean	supports(BeanElement beanElement) Returns whether this visitor supports visiting the specified element.
BeanElement	visitBeanElement(BeanElement beanElement, VisitorContext visitorContext) Visits a BeanElement before it is finalized and written to disk, allowing mutation of any annotation metadata before writing the bean definition.

Methods inherited from interface io.micronaut.core.order.Ordered

getOrder

Methods inherited from interface io.micronaut.core.util.Toggleable

isEnabled

Field Detail

VISITORS

static final java.util.List<BeanElementVisitor<?>> VISITORS

The available visitors.

Method Detail

visitBeanElement

@Nullable
BeanElement visitBeanElement(@NonNull
                                       BeanElement beanElement,
                                       @NonNull
                                       VisitorContext visitorContext)

Visits a BeanElement before it is finalized and written to disk, allowing mutation of any annotation metadata before writing the bean definition.

Parameters:

beanElement - The bean element

visitorContext - The visitor context

Returns:

The bean element or null if the bean should not be written

start

default void start(VisitorContext visitorContext)

Called once when visitor processing starts.

Parameters:

visitorContext - The visitor context

finish

default void finish(VisitorContext visitorContext)

Called once when visitor processing finishes.

Parameters:

visitorContext - The visitor context

supports

default boolean supports(@NonNull
                         BeanElement beanElement)

Returns whether this visitor supports visiting the specified element.

Parameters:

beanElement - The bean element

Returns:

True if it does