Class ElementKindVisitorPreview<R,P>

java.lang.Object

javax.lang.model.util.AbstractElementVisitor6<R,P>

javax.lang.model.util.SimpleElementVisitor6<R,P>

javax.lang.model.util.ElementKindVisitor6<R,P>

javax.lang.model.util.ElementKindVisitor7<R,P>

javax.lang.model.util.ElementKindVisitor8<R,P>

javax.lang.model.util.ElementKindVisitor9<R,P>

javax.lang.model.util.ElementKindVisitor14<R,P>

javax.lang.model.util.ElementKindVisitorPreview<R,P>

Type Parameters:

R - the return type of this visitor's methods. Use Void for visitors that do not need to return results.

P - the type of the additional parameter to this visitor's methods. Use Void for visitors that do not need an additional parameter.

All Implemented Interfaces:

ElementVisitor<R,P>

@SupportedSourceVersion(RELEASE_26)
public class ElementKindVisitorPreview<R,P>
extends ElementKindVisitor14<R,P>

ElementKindVisitorPreview is a reflective preview API of the Java platform.

Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.

A visitor of program elements based on their kind with default behavior appropriate for a preview source version. For elements Xyz that may have more than one kind, the visitXyz methods in this class delegate to the visitXyzAsKind method corresponding to the first argument's kind. The visitXyzAsKind methods call defaultAction, passing their arguments to defaultAction's corresponding parameters.

API Note:

Methods in this class may be overridden subject to their general contract.

Since:

23

See Also:

• Expected visitor evolution
• Compatibility note for subclasses
• ElementKindVisitor6
• ElementKindVisitor7
• ElementKindVisitor8
• ElementKindVisitor9
• ElementKindVisitor14

Field Summary

Fields declared in class SimpleElementVisitor6

DEFAULT_VALUE

Modifier and Type	Field	Description
protected final R	DEFAULT_VALUE	Default value to be returned; defaultAction returns this value unless the method is overridden.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ElementKindVisitorPreview()	Constructor for concrete subclasses; uses null for the default value.
protected	ElementKindVisitorPreview(R defaultValue)	Constructor for concrete subclasses; uses the argument for the default value.

Method Summary

Methods declared in class ElementKindVisitor14

visitRecordComponent, visitTypeAsRecord, visitVariableAsBindingVariable

Modifier and Type	Method	Description
R	visitRecordComponent(RecordComponentElement e, P p)	Visits a record component element.
R	visitTypeAsRecord(TypeElement e, P p)	Visits a RECORD type element.
R	visitVariableAsBindingVariable(VariableElement e, P p)	Visits a BINDING_VARIABLE variable element.

Methods declared in class ElementKindVisitor9

visitModule

Modifier and Type	Method	Description
R	visitModule(ModuleElement e, P p)	Visits a module element.

Methods declared in class ElementKindVisitor7

visitVariableAsResourceVariable

Modifier and Type	Method	Description
R	visitVariableAsResourceVariable(VariableElement e, P p)	Visits a RESOURCE_VARIABLE variable element.

Methods declared in class ElementKindVisitor6

visitExecutable, visitExecutableAsConstructor, visitExecutableAsInstanceInit, visitExecutableAsMethod, visitExecutableAsStaticInit, visitPackage, visitType, visitTypeAsAnnotationType, visitTypeAsClass, visitTypeAsEnum, visitTypeAsInterface, visitTypeParameter, visitVariable, visitVariableAsEnumConstant, visitVariableAsExceptionParameter, visitVariableAsField, visitVariableAsLocalVariable, visitVariableAsParameter

Modifier and Type	Method	Description
R	visitExecutable(ExecutableElement e, P p)	Visits an executable element.
R	visitExecutableAsConstructor(ExecutableElement e, P p)	Visits a CONSTRUCTOR executable element.
R	visitExecutableAsInstanceInit(ExecutableElement e, P p)	Visits an INSTANCE_INIT executable element.
R	visitExecutableAsMethod(ExecutableElement e, P p)	Visits a METHOD executable element.
R	visitExecutableAsStaticInit(ExecutableElement e, P p)	Visits a STATIC_INIT executable element.
R	visitPackage(PackageElement e, P p)	Visits a package element.
R	visitType(TypeElement e, P p)	Visits a type element.
R	visitTypeAsAnnotationType(TypeElement e, P p)	Visits an ANNOTATION_TYPE type element.
R	visitTypeAsClass(TypeElement e, P p)	Visits a CLASS type element.
R	visitTypeAsEnum(TypeElement e, P p)	Visits an ENUM type element.
R	visitTypeAsInterface(TypeElement e, P p)	Visits an INTERFACE type element.
R	visitTypeParameter(TypeParameterElement e, P p)	Visits a type parameter element.
R	visitVariable(VariableElement e, P p)	Visits a variable element.
R	visitVariableAsEnumConstant(VariableElement e, P p)	Visits an ENUM_CONSTANT variable element.
R	visitVariableAsExceptionParameter(VariableElement e, P p)	Visits an EXCEPTION_PARAMETER variable element.
R	visitVariableAsField(VariableElement e, P p)	Visits a FIELD variable element.
R	visitVariableAsLocalVariable(VariableElement e, P p)	Visits a LOCAL_VARIABLE variable element.
R	visitVariableAsParameter(VariableElement e, P p)	Visits a PARAMETER variable element.

Methods declared in class SimpleElementVisitor6

defaultAction

Modifier and Type	Method	Description
protected R	defaultAction(Element e, P p)	The default action for visit methods.

Methods declared in class AbstractElementVisitor6

visit, visit, visitUnknown

Modifier and Type	Method	Description
final R	visit(Element e)	Visits any program element as if by passing itself to that element's accept method and passing null for the additional parameter.
final R	visit(Element e, P p)	Visits any program element as if by passing itself to that element's accept method.
R	visitUnknown(Element e, P p)	Visits an unknown kind of element.

Methods declared in class Object

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

Modifier and Type	Method	Description
protected Object	clone()	Creates and returns a copy of this object.
boolean	equals(Object obj)	Indicates whether some other object is "equal to" this one.
protected void	finalize()	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
final Class<?>	getClass()	Returns the runtime class of this Object.
int	hashCode()	Returns a hash code value for this object.
final void	notify()	Wakes up a single thread that is waiting on this object's monitor.
final void	notifyAll()	Wakes up all threads that are waiting on this object's monitor.
String	toString()	Returns a string representation of the object.
final void	wait()	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void	wait(long timeoutMillis)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void	wait(long timeoutMillis, int nanos)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Constructor Details

ElementKindVisitorPreview

protected ElementKindVisitorPreview()

Constructor for concrete subclasses; uses null for the default value.

ElementKindVisitorPreview

protected ElementKindVisitorPreview(R defaultValue)

Constructor for concrete subclasses; uses the argument for the default value.

Parameters:

defaultValue - the value to assign to SimpleElementVisitor6.DEFAULT_VALUE