io.micronaut.inject.writer

Interface BeanDefinitionVisitor

All Superinterfaces:

OriginatingElements, Toggleable

All Known Subinterfaces:

ProxyingBeanDefinitionVisitor

All Known Implementing Classes:

AopProxyWriter, BeanDefinitionWriter

public interface BeanDefinitionVisitor
extends OriginatingElements, Toggleable

Interface for BeanDefinitionVisitor implementations such as BeanDefinitionWriter.

Since:

1.0

Author:

Graeme Rocher

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	PROXY_SUFFIX The suffix use for generated AOP intercepted types.

Method Summary

Modifier and Type	Method and Description
void	accept(ClassWriterOutputVisitor visitor) Write the class to output via a visitor that manages output destination.
AnnotationMetadata	getAnnotationMetadata()
java.lang.String	getBeanDefinitionName()
java.lang.String	getBeanDefinitionReferenceClassName()
java.lang.String	getBeanSimpleName()
java.lang.String	getBeanTypeName()
java.util.Optional<org.objectweb.asm.Type>	getInterceptedType()
Element	getOriginatingElement()
java.lang.String	getPackageName()
org.objectweb.asm.Type	getProvidedType() The provided type of the bean.
default ClassElement[]	getTypeArguments()
boolean	isInterface()
boolean	isSingleton()
boolean	isValidated()
default boolean	requiresMethodProcessing() By default, when the BeanContext is started, the BeanDefinition.getExecutableMethods() are not processed by registered ExecutableMethodProcessor instances unless this method returns true.
void	setInterceptedType(java.lang.String typeName) Sets the name of the intercepted type.
void	setRequiresMethodProcessing(boolean shouldPreProcess) Sets whether the BeanType.requiresMethodProcessing() returns true.
void	setValidated(boolean validated) Make the bean definition as validated by javax.validation.
void	visitBeanDefinitionConstructor(MethodElement constructor, boolean requiresReflection, VisitorContext visitorContext) Visits the constructor used to create the bean definition.
void	visitBeanDefinitionEnd() Finalize the bean definition to the given output stream.
void	visitBeanDefinitionInterface(java.lang.Class<? extends BeanDefinition> interfaceType) Visit a marker interface on the generated bean definition.
void	visitConfigBuilderDurationMethod(java.lang.String prefix, ClassElement returnType, java.lang.String methodName, java.lang.String path) Visit a configuration builder method that accepts a long and a TimeUnit.
void	visitConfigBuilderEnd() Finalize a configuration builder field.
void	visitConfigBuilderField(ClassElement type, java.lang.String field, AnnotationMetadata annotationMetadata, ConfigurationMetadataBuilder metadataBuilder, boolean isInterface) Begin defining a configuration builder.
void	visitConfigBuilderMethod(ClassElement type, java.lang.String methodName, AnnotationMetadata annotationMetadata, ConfigurationMetadataBuilder metadataBuilder, boolean isInterface) Begin defining a configuration builder.
void	visitConfigBuilderMethod(java.lang.String prefix, ClassElement returnType, java.lang.String methodName, ClassElement paramType, java.util.Map<java.lang.String,ClassElement> generics, java.lang.String path) Visit a configuration builder method.
void	visitDefaultConstructor(AnnotationMetadata annotationMetadata, VisitorContext visitorContext) Visits the constructor used to create the bean definition in the case where no constructor is present.
int	visitExecutableMethod(TypedElement declaringBean, MethodElement methodElement, VisitorContext visitorContext) Visit a method that is to be made executable allow invocation of said method without reflection.
void	visitFieldInjectionPoint(TypedElement declaringType, FieldElement fieldElement, boolean requiresReflection) Visits a field injection point.
void	visitFieldValue(TypedElement declaringType, FieldElement fieldElement, boolean requiresReflection, boolean isOptional) Visits a field injection point.
void	visitMethodInjectionPoint(TypedElement beanType, MethodElement methodElement, boolean requiresReflection, VisitorContext visitorContext) Visits a method injection point.
void	visitPostConstructMethod(TypedElement declaringType, MethodElement methodElement, boolean requiresReflection, VisitorContext visitorContext) Visits a method injection point.
void	visitPreDestroyMethod(TypedElement beanType, MethodElement methodElement, boolean requiresReflection, VisitorContext visitorContext) Visits a method injection point.
void	visitSetterValue(TypedElement declaringType, MethodElement methodElement, boolean requiresReflection, boolean isOptional) Visits an injection point for a setter.
void	visitSuperBeanDefinition(java.lang.String name) Alter the super class of this bean definition.
void	visitSuperBeanDefinitionFactory(java.lang.String beanName) Alter the super class of this bean definition to use another factory bean.
void	visitTypeArguments(java.util.Map<java.lang.String,java.util.Map<java.lang.String,ClassElement>> typeArguments) Visits the type arguments for the bean.
void	writeTo(java.io.File compilationDir) Write the state of the writer to the given compilation directory.

Methods inherited from interface io.micronaut.inject.writer.OriginatingElements

addOriginatingElement, getOriginatingElements, of

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

isEnabled

Field Detail

PROXY_SUFFIX

static final java.lang.String PROXY_SUFFIX

The suffix use for generated AOP intercepted types.

See Also:

Constant Field Values

Method Detail

getOriginatingElement

@Nullable
Element getOriginatingElement()

Returns:

The element where the bean definition originated from.

visitBeanDefinitionConstructor

void visitBeanDefinitionConstructor(MethodElement constructor,
                                    boolean requiresReflection,
                                    VisitorContext visitorContext)

Visits the constructor used to create the bean definition.

Parameters:

constructor - The method element that represents the constructor

requiresReflection - Whether invoking the constructor requires reflection

visitorContext - The visitor context

visitDefaultConstructor

void visitDefaultConstructor(AnnotationMetadata annotationMetadata,
                             VisitorContext visitorContext)

Visits the constructor used to create the bean definition in the case where no constructor is present. This method should only be called in the class defines no constructor.

Parameters:

annotationMetadata - The annotation metadata for the constructor

visitorContext - The visitor context

getBeanDefinitionReferenceClassName

@NonNull
java.lang.String getBeanDefinitionReferenceClassName()

Returns:

The name of the bean definition reference class.

isInterface

boolean isInterface()

Returns:

Whether the provided type an interface

isSingleton

boolean isSingleton()

Returns:

Is the bean singleton

visitBeanDefinitionInterface

void visitBeanDefinitionInterface(java.lang.Class<? extends BeanDefinition> interfaceType)

Visit a marker interface on the generated bean definition.

Parameters:

interfaceType - The interface type

visitSuperBeanDefinition

void visitSuperBeanDefinition(java.lang.String name)

Alter the super class of this bean definition. The passed class should be a subclass of AbstractBeanDefinition.

Parameters:

name - The super type

visitSuperBeanDefinitionFactory

void visitSuperBeanDefinitionFactory(java.lang.String beanName)

Alter the super class of this bean definition to use another factory bean.

Parameters:

beanName - The bean name

getBeanTypeName

java.lang.String getBeanTypeName()

Returns:

The full class name of the bean

getProvidedType

org.objectweb.asm.Type getProvidedType()

The provided type of the bean. Usually this is the same as getBeanTypeName(), except in the case of factory beans which produce a different type.

Returns:

The provided type

setValidated

void setValidated(boolean validated)

Make the bean definition as validated by javax.validation.

Parameters:

validated - Whether the bean definition is validated

setInterceptedType

void setInterceptedType(java.lang.String typeName)

Sets the name of the intercepted type.

Parameters:

typeName - The type name

getInterceptedType

java.util.Optional<org.objectweb.asm.Type> getInterceptedType()

Returns:

The intercepted type

isValidated

boolean isValidated()

Returns:

Return whether the bean definition is validated.

getBeanDefinitionName

java.lang.String getBeanDefinitionName()

Returns:

The name of the bean definition class

visitBeanDefinitionEnd

void visitBeanDefinitionEnd()

Finalize the bean definition to the given output stream.

writeTo

void writeTo(java.io.File compilationDir)
      throws java.io.IOException

Write the state of the writer to the given compilation directory.

Parameters:

compilationDir - The compilation directory

Throws:

java.io.IOException - If an I/O error occurs

accept

void accept(ClassWriterOutputVisitor visitor)
     throws java.io.IOException

Write the class to output via a visitor that manages output destination.

Parameters:

visitor - the writer output visitor

Throws:

java.io.IOException - If an error occurs

visitSetterValue

void visitSetterValue(TypedElement declaringType,
                      MethodElement methodElement,
                      boolean requiresReflection,
                      boolean isOptional)

Visits an injection point for a setter.

Parameters:

declaringType - The declaring type

methodElement - The method element

requiresReflection - Whether the setter requires reflection

isOptional - Whether the setter is optional

visitPostConstructMethod

void visitPostConstructMethod(TypedElement declaringType,
                              MethodElement methodElement,
                              boolean requiresReflection,
                              VisitorContext visitorContext)

Visits a method injection point.

Parameters:

declaringType - The declaring type of the method. Either a Class or a string representing the name of the type

methodElement - The method element

requiresReflection - Whether the method requires reflection

visitorContext - The visitor context

visitPreDestroyMethod

void visitPreDestroyMethod(TypedElement beanType,
                           MethodElement methodElement,
                           boolean requiresReflection,
                           VisitorContext visitorContext)

Visits a method injection point.

Parameters:

beanType - The bean type of the method

methodElement - The method element

requiresReflection - Whether the method requires reflection

visitorContext - The visitor context

visitMethodInjectionPoint

void visitMethodInjectionPoint(TypedElement beanType,
                               MethodElement methodElement,
                               boolean requiresReflection,
                               VisitorContext visitorContext)

Visits a method injection point.

Parameters:

beanType - The bean type of the method

methodElement - The method element

requiresReflection - Whether the method requires reflection

visitorContext - The visitor context

visitExecutableMethod

int visitExecutableMethod(TypedElement declaringBean,
                          MethodElement methodElement,
                          VisitorContext visitorContext)

Visit a method that is to be made executable allow invocation of said method without reflection.

Parameters:

declaringBean - The declaring bean of the method. Note this may differ from MemberElement.getDeclaringType() in the case of the method coming from a super class or interface.

methodElement - The method element

visitorContext - The visitor context

Returns:

The index of a new method

visitFieldInjectionPoint

void visitFieldInjectionPoint(TypedElement declaringType,
                              FieldElement fieldElement,
                              boolean requiresReflection)

Visits a field injection point.

Parameters:

declaringType - The declaring type. Either a Class or a string representing the name of the type

fieldElement - The field element

requiresReflection - Whether accessing the field requires reflection

visitFieldValue

void visitFieldValue(TypedElement declaringType,
                     FieldElement fieldElement,
                     boolean requiresReflection,
                     boolean isOptional)

Visits a field injection point.

Parameters:

declaringType - The declaring type. Either a Class or a string representing the name of the type

fieldElement - The field element

requiresReflection - Whether accessing the field requires reflection

isOptional - Is the value optional

getPackageName

java.lang.String getPackageName()

Returns:

The package name of the bean

getBeanSimpleName

java.lang.String getBeanSimpleName()

Returns:

The short name of the bean

getAnnotationMetadata

AnnotationMetadata getAnnotationMetadata()

Returns:

The annotation metadata

visitConfigBuilderField

void visitConfigBuilderField(ClassElement type,
                             java.lang.String field,
                             AnnotationMetadata annotationMetadata,
                             ConfigurationMetadataBuilder metadataBuilder,
                             boolean isInterface)

Begin defining a configuration builder.

Parameters:

type - The type of the builder

field - The name of the field that represents the builder

annotationMetadata - The annotation metadata associated with the field

metadataBuilder - The ConfigurationMetadataBuilder

isInterface - Whether the builder type is an interface or not

See Also:

ConfigurationBuilder

visitConfigBuilderMethod

void visitConfigBuilderMethod(ClassElement type,
                              java.lang.String methodName,
                              AnnotationMetadata annotationMetadata,
                              ConfigurationMetadataBuilder metadataBuilder,
                              boolean isInterface)

Begin defining a configuration builder.

Parameters:

type - The type of the builder

methodName - The name of the method that returns the builder

annotationMetadata - The annotation metadata associated with the field

metadataBuilder - The ConfigurationMetadataBuilder

isInterface - Whether the builder type is an interface or not

See Also:

ConfigurationBuilder

visitConfigBuilderMethod

void visitConfigBuilderMethod(java.lang.String prefix,
                              ClassElement returnType,
                              java.lang.String methodName,
                              @Nullable
                              ClassElement paramType,
                              java.util.Map<java.lang.String,ClassElement> generics,
                              java.lang.String path)

Visit a configuration builder method.

Parameters:

prefix - The prefix used for the method

returnType - The return type

methodName - The method name

paramType - The method type

generics - The generic types of the method

path - The property path

See Also:

ConfigurationBuilder

visitConfigBuilderDurationMethod

void visitConfigBuilderDurationMethod(java.lang.String prefix,
                                      ClassElement returnType,
                                      java.lang.String methodName,
                                      java.lang.String path)

Visit a configuration builder method that accepts a long and a TimeUnit.

Parameters:

prefix - The prefix used for the method

returnType - The return type

methodName - The method name

path - The property path

See Also:

ConfigurationBuilder

visitConfigBuilderEnd

void visitConfigBuilderEnd()

Finalize a configuration builder field.

See Also:

ConfigurationBuilder

requiresMethodProcessing

default boolean requiresMethodProcessing()

By default, when the BeanContext is started, the BeanDefinition.getExecutableMethods() are not processed by registered ExecutableMethodProcessor instances unless this method returns true.

Returns:

Whether the bean definition requires method processing

See Also:

Executable.processOnStartup()

setRequiresMethodProcessing

void setRequiresMethodProcessing(boolean shouldPreProcess)

Sets whether the BeanType.requiresMethodProcessing() returns true.

Parameters:

shouldPreProcess - True if they should be pre-processed

visitTypeArguments

void visitTypeArguments(java.util.Map<java.lang.String,java.util.Map<java.lang.String,ClassElement>> typeArguments)

Visits the type arguments for the bean.

Parameters:

typeArguments - The type arguments

getTypeArguments

@NonNull
default ClassElement[] getTypeArguments()

Returns:

The generic type arguments for the bean type.

Since:

3.0.0