io.micronaut.annotation.processing.visitor

Class JavaClassElement

java.lang.Object

io.micronaut.annotation.processing.visitor.AbstractJavaElement

io.micronaut.annotation.processing.visitor.JavaClassElement

All Implemented Interfaces:

AnnotatedElement, AnnotationMetadata, AnnotationMetadataDelegate, AnnotationMetadataProvider, AnnotationSource, Named, ClassElement, Element, TypedElement

@Internal
public class JavaClassElement
extends AbstractJavaElement
implements ClassElement

A class element returning data from a TypeElement.

Since:

1.0

Author:

James Kleeh, graemerocher

Field Summary

Fields

Modifier and Type	Field and Description
protected int	arrayDimensions
protected javax.lang.model.element.TypeElement	classElement

Fields inherited from interface io.micronaut.core.annotation.AnnotationMetadata

CLASS_NAME_SUFFIX, EMPTY_METADATA, VALUE_MEMBER

Fields inherited from interface io.micronaut.core.annotation.AnnotationSource

EMPTY

Constructor Summary

Constructors

Constructor and Description
JavaClassElement(javax.lang.model.element.TypeElement classElement, AnnotationMetadata annotationMetadata, JavaVisitorContext visitorContext)

Method Summary

Modifier and Type	Method and Description
int	getArrayDimensions() If the type is an array, the number of dimensions.
java.util.List<PropertyElement>	getBeanProperties() Returns the bean properties (getters and setters) for this class element.
java.util.Optional<MethodElement>	getDefaultConstructor() Find and return a single default constructor.
java.util.List<FieldElement>	getFields(java.util.function.Predicate<java.util.Set<ElementModifier>> modifierFilter) Return fields contained with the given modifiers include / exclude rules.
java.lang.String	getName()
java.util.Optional<MethodElement>	getPrimaryConstructor() Find and return a single primary constructor.
java.util.Optional<ClassElement>	getSuperType() Returns the super type of this element or empty if the element has no super type.
java.util.Map<java.lang.String,ClassElement>	getTypeArguments()
java.util.Map<java.lang.String,ClassElement>	getTypeArguments(java.lang.String type) Get the type arguments for the given type name.
boolean	isAbstract()
boolean	isArray() Is the type an array.
boolean	isAssignable(java.lang.String type) Tests whether one type is assignable to another.
boolean	isInterface()
boolean	isPrimitive() Whether the type is primitive.
ClassElement	toArray() Convert the class element to an element for the same type, but representing an array.

Methods inherited from class io.micronaut.annotation.processing.visitor.AbstractJavaElement

annotate, getAnnotationMetadata, getNativeType, isFinal, isPrivate, isProtected, isPublic, isStatic, mirrorToClassElement, mirrorToClassElement, parameterizedClassElement, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.micronaut.inject.ast.ClassElement

getFields, getFirstTypeArgument, getPackageName, getSimpleName, getType, getTypeArguments, isAssignable, isEnum, isIterable

Methods inherited from interface io.micronaut.inject.ast.TypedElement

getGenericType

Methods inherited from interface io.micronaut.inject.ast.Element

annotate, annotate, annotate, annotate, getDocumentation, getNativeType, isFinal, isPrivate, isProtected, isPublic, isStatic

Methods inherited from interface io.micronaut.core.annotation.AnnotationMetadataDelegate

booleanValue, booleanValue, booleanValue, booleanValue, classValue, classValue, classValue, classValue, classValues, classValues, classValues, classValues, doubleValue, doubleValue, doubleValue, enumValue, enumValue, enumValue, enumValue, enumValues, enumValues, enumValues, enumValues, findAnnotation, findAnnotation, findDeclaredAnnotation, findDeclaredAnnotation, getAnnotation, getAnnotation, getAnnotationNameByStereotype, getAnnotationNameByStereotype, getAnnotationNames, getAnnotationNamesByStereotype, getAnnotationNamesByStereotype, getAnnotationType, getAnnotationTypeByStereotype, getAnnotationTypeByStereotype, getAnnotationTypesByStereotype, getAnnotationValuesByType, getDeclaredAnnotation, getDeclaredAnnotation, getDeclaredAnnotationNameByStereotype, getDeclaredAnnotationNames, getDeclaredAnnotationNamesByStereotype, getDeclaredAnnotationTypeByStereotype, getDeclaredAnnotationTypeByStereotype, getDeclaredAnnotationValuesByType, getDefaultValue, getDefaultValue, getDefaultValue, getDefaultValue, getDefaultValues, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValue, getValues, getValues, hasAnnotation, hasAnnotation, hasDeclaredAnnotation, hasDeclaredAnnotation, hasDeclaredStereotype, hasDeclaredStereotype, hasDeclaredStereotype, hasSimpleAnnotation, hasSimpleDeclaredAnnotation, hasStereotype, hasStereotype, hasStereotype, hasStereotype, intValue, intValue, intValue, isAnnotationPresent, isDeclaredAnnotationPresent, isEmpty, isFalse, isFalse, isPresent, isPresent, isTrue, isTrue, longValue, longValue, stringValue, stringValue, stringValue, stringValue, stringValues, stringValues, synthesize, synthesizeAll, synthesizeAnnotationsByType, synthesizeDeclared, synthesizeDeclared, synthesizeDeclaredAnnotationsByType

Methods inherited from interface io.micronaut.core.annotation.AnnotatedElement

isDeclaredNonNull, isDeclaredNullable, isNonNull, isNullable

Methods inherited from interface io.micronaut.core.annotation.AnnotationMetadataProvider

getAnnotationMetadata

Field Detail

classElement

protected final javax.lang.model.element.TypeElement classElement

arrayDimensions

protected int arrayDimensions

Constructor Detail

JavaClassElement

@Internal
public JavaClassElement(javax.lang.model.element.TypeElement classElement,
                                  AnnotationMetadata annotationMetadata,
                                  JavaVisitorContext visitorContext)

Parameters:

classElement - The TypeElement

annotationMetadata - The annotation metadata

visitorContext - The visitor context

Method Detail

getTypeArguments

@NonNull
public java.util.Map<java.lang.String,ClassElement> getTypeArguments(@NonNull
                                                                              java.lang.String type)

Description copied from interface: ClassElement

Get the type arguments for the given type name.

Specified by:

getTypeArguments in interface ClassElement

Parameters:

type - The type to retrieve type arguments for

Returns:

The type arguments for this class element

isPrimitive

public boolean isPrimitive()

Description copied from interface: TypedElement

Whether the type is primitive.

Specified by:

isPrimitive in interface TypedElement

Returns:

True if it is

getSuperType

public java.util.Optional<ClassElement> getSuperType()

Description copied from interface: ClassElement

Returns the super type of this element or empty if the element has no super type.

Specified by:

getSuperType in interface ClassElement

Returns:

An optional of the super type

isAbstract

public boolean isAbstract()

Specified by:

isAbstract in interface Element

Overrides:

isAbstract in class AbstractJavaElement

Returns:

True if the element is abstract.

isInterface

public boolean isInterface()

Specified by:

isInterface in interface ClassElement

Returns:

Whether the class element is an interface

getBeanProperties

public java.util.List<PropertyElement> getBeanProperties()

Description copied from interface: ClassElement

Returns the bean properties (getters and setters) for this class element.

Specified by:

getBeanProperties in interface ClassElement

Returns:

The bean properties for this class element

getFields

public java.util.List<FieldElement> getFields(@NonNull
                                              java.util.function.Predicate<java.util.Set<ElementModifier>> modifierFilter)

Description copied from interface: ClassElement

Return fields contained with the given modifiers include / exclude rules.

Specified by:

getFields in interface ClassElement

Parameters:

modifierFilter - Can be used to filter fields by modifier

Returns:

The fields

isArray

public boolean isArray()

Description copied from interface: TypedElement

Is the type an array.

Specified by:

isArray in interface TypedElement

Returns:

True if it is.

getArrayDimensions

public int getArrayDimensions()

Description copied from interface: TypedElement

If the type is an array, the number of dimensions. String[] should return 1, String[][] should return 2

Specified by:

getArrayDimensions in interface TypedElement

Returns:

The number of dimensions

toArray

public ClassElement toArray()

Description copied from interface: ClassElement

Convert the class element to an element for the same type, but representing an array. Do not mutate the existing instance. Create a new instance instead.

Specified by:

toArray in interface ClassElement

Returns:

A new class element

getName

public java.lang.String getName()

Specified by:

getName in interface Named

Specified by:

getName in interface Element

Overrides:

getName in class AbstractJavaElement

Returns:

The name of the element.

isAssignable

public boolean isAssignable(java.lang.String type)

Description copied from interface: ClassElement

Tests whether one type is assignable to another.

Specified by:

isAssignable in interface ClassElement

Parameters:

type - The type to check

Returns:

true if and only if the this type is assignable to the second

getPrimaryConstructor

@NonNull
public java.util.Optional<MethodElement> getPrimaryConstructor()

Description copied from interface: ClassElement

Find and return a single primary constructor. If more than constructor candidate exists, then return empty unless a constructor is found that is annotated with either Creator or Inject.

Specified by:

getPrimaryConstructor in interface ClassElement

Returns:

The primary constructor if one is present

getDefaultConstructor

public java.util.Optional<MethodElement> getDefaultConstructor()

Description copied from interface: ClassElement

Find and return a single default constructor. A default constructor is one without arguments that is accessible.

Specified by:

getDefaultConstructor in interface ClassElement

Returns:

The default constructor if one is present

getTypeArguments

@NonNull
public java.util.Map<java.lang.String,ClassElement> getTypeArguments()

Specified by:

getTypeArguments in interface ClassElement

Returns:

The type arguments for this class element