Class NullLiteralExpr

java.lang.Object

com.github.javaparser.ast.Node

com.github.javaparser.ast.expr.Expression

com.github.javaparser.ast.expr.LiteralExpr

com.github.javaparser.ast.expr.NullLiteralExpr

All Implemented Interfaces:

NodeWithRange<Node>, NodeWithTokenRange<Node>, Observable, Visitable, HasParentNode<Node>, Cloneable

public class NullLiteralExpr
extends LiteralExpr

A literal "null".
null

Nested Class Summary

Nested classes/interfaces inherited from class Node

Node.BreadthFirstIterator, Node.DirectChildrenIterator, Node.ObserverRegistrationMode, Node.ParentsVisitor, Node.Parsedness, Node.PostOrderIterator, Node.PreOrderIterator, Node.TreeTraversal

Field Summary

Fields inherited from class Expression

EXCLUDE_ENCLOSED_EXPR, IS_NOT_ENCLOSED_EXPR

Fields inherited from class Node

ABSOLUTE_BEGIN_LINE, ABSOLUTE_END_LINE, LINE_SEPARATOR_KEY, NODE_BY_BEGIN_POSITION, PHANTOM_KEY, prettyPrinterNoCommentsConfiguration, PRINTER_KEY, SYMBOL_RESOLVER_KEY

Constructor Summary

Constructors

Constructor	Description
NullLiteralExpr()
NullLiteralExpr(TokenRange tokenRange)	This constructor is used by the parser and is considered private.

Method Summary

Modifier and Type	Method	Description
<R,A> R	accept(GenericVisitor<R,A> v, A arg)	Accept method for visitor support.
<A> void	accept(VoidVisitor<A> v, A arg)	Accept method for visitor support.
NullLiteralExpr	asNullLiteralExpr()
NullLiteralExpr	clone()
NullLiteralExprMetaModel	getMetaModel()
void	ifNullLiteralExpr(Consumer<NullLiteralExpr> action)
boolean	isNullLiteralExpr()
Optional<NullLiteralExpr>	toNullLiteralExpr()

Methods inherited from class LiteralExpr

asLiteralExpr, ifLiteralExpr, isLiteralExpr, toLiteralExpr

Methods inherited from class Expression

appearsInAssignmentContext, appearsInInvocationContext, asAnnotationExpr, asArrayAccessExpr, asArrayCreationExpr, asArrayInitializerExpr, asAssignExpr, asBinaryExpr, asBooleanLiteralExpr, asCastExpr, asCharLiteralExpr, asClassExpr, asComponentPatternExpr, asConditionalExpr, asDoubleLiteralExpr, asEnclosedExpr, asFieldAccessExpr, asInstanceOfExpr, asIntegerLiteralExpr, asLambdaExpr, asLiteralStringValueExpr, asLongLiteralExpr, asMarkerAnnotationExpr, asMatchAllPatternExpr, asMethodCallExpr, asMethodReferenceExpr, asNameExpr, asNormalAnnotationExpr, asObjectCreationExpr, asPatternExpr, asRecordPatternExpr, asSingleMemberAnnotationExpr, asStringLiteralExpr, asSuperExpr, asSwitchExpr, asTextBlockLiteralExpr, asThisExpr, asTypeExpr, asTypePatternExpr, asUnaryExpr, asVariableDeclarationExpr, calculateResolvedType, elidesTypeArguments, ifAnnotationExpr, ifArrayAccessExpr, ifArrayCreationExpr, ifArrayInitializerExpr, ifAssignExpr, ifBinaryExpr, ifBooleanLiteralExpr, ifCastExpr, ifCharLiteralExpr, ifClassExpr, ifComponentPatternExpr, ifConditionalExpr, ifDoubleLiteralExpr, ifEnclosedExpr, ifFieldAccessExpr, ifInstanceOfExpr, ifIntegerLiteralExpr, ifLambdaExpr, ifLiteralStringValueExpr, ifLongLiteralExpr, ifMarkerAnnotationExpr, ifMatchAllPatternExpr, ifMethodCallExpr, ifMethodReferenceExpr, ifNameExpr, ifNormalAnnotationExpr, ifObjectCreationExpr, ifPatternExpr, ifRecordPatternExpr, ifSingleMemberAnnotationExpr, ifStringLiteralExpr, ifSuperExpr, ifSwitchExpr, ifTextBlockLiteralExpr, ifThisExpr, ifTypeExpr, ifTypePatternExpr, ifUnaryExpr, ifVariableDeclarationExpr, isAnnotationExpr, isArrayAccessExpr, isArrayCreationExpr, isArrayInitializerExpr, isAssignExpr, isAssignmentContext, isBinaryExpr, isBooleanLiteralExpr, isCastExpr, isCharLiteralExpr, isClassExpr, isComponentPatternExpr, isConditionalExpr, isDoubleLiteralExpr, isEnclosedExpr, isFieldAccessExpr, isInstanceOfExpr, isIntegerLiteralExpr, isInvocationContext, isLambdaExpr, isLiteralStringValueExpr, isLongLiteralExpr, isMarkerAnnotationExpr, isMatchAllPatternExpr, isMethodCallExpr, isMethodReferenceExpr, isNameExpr, isNormalAnnotationExpr, isObjectCreationExpr, isPatternExpr, isPolyExpression, isQualified, isRecordPatternExpr, isSingleMemberAnnotationExpr, isStandaloneExpression, isStringLiteralExpr, isSuperExpr, isSwitchExpr, isTextBlockLiteralExpr, isThisExpr, isTypeExpr, isTypePatternExpr, isUnaryExpr, isVariableDeclarationExpr, toAnnotationExpr, toArrayAccessExpr, toArrayCreationExpr, toArrayInitializerExpr, toAssignExpr, toBinaryExpr, toBooleanLiteralExpr, toCastExpr, toCharLiteralExpr, toClassExpr, toComponentPatternExpr, toConditionalExpr, toDoubleLiteralExpr, toEnclosedExpr, toFieldAccessExpr, toInstanceOfExpr, toIntegerLiteralExpr, toLambdaExpr, toLiteralStringValueExpr, toLongLiteralExpr, toMarkerAnnotationExpr, toMatchAllPatternExpr, toMethodCallExpr, toMethodReferenceExpr, toNameExpr, toNormalAnnotationExpr, toObjectCreationExpr, toPatternExpr, toRecordPatternExpr, toSingleMemberAnnotationExpr, toStringLiteralExpr, toSuperExpr, toSwitchExpr, toTextBlockLiteralExpr, toThisExpr, toTypeExpr, toTypePatternExpr, toUnaryExpr, toVariableDeclarationExpr

Methods inherited from class Node

addOrphanComment, containsData, createDefaultPrinter, createDefaultPrinter, customInitialization, equals, findAll, findAll, findAll, findByRange, findCompilationUnit, findData, findFirst, findFirst, findFirst, findRootNode, getAllContainedComments, getChildNodes, getChildNodesByType, getComment, getData, getDataKeys, getDefaultPrinterConfiguration, getLineEndingStyle, getLineEndingStyleOrDefault, getNodesByType, getOrphanComments, getParentNode, getParentNodeForChildren, getParsed, getPrinter, getPrinter, getRange, getSymbolResolver, getTokenRange, hashCode, hasScope, isAncestorOf, isPhantom, isRegistered, notifyPropertyChange, register, register, registerForSubtree, remove, remove, removeComment, removeData, removeForced, removeOrphanComment, replace, replace, setAsParentNodeOf, setAsParentNodeOf, setBlockComment, setComment, setData, setLineComment, setParentNode, setParsed, setRange, setTokenRange, stream, stream, toString, toString, tryAddImportToParentCompilationUnit, unregister, walk, walk, walk

Methods inherited from class Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface HasParentNode

findAncestor, findAncestor, findAncestor, hasParentNode, isDescendantOf

Methods inherited from interface NodeWithRange

containsWithin, containsWithinRange, getBegin, getEnd, hasRange

Constructor Details

NullLiteralExpr

public NullLiteralExpr()

NullLiteralExpr

public NullLiteralExpr(TokenRange tokenRange)

This constructor is used by the parser and is considered private.

Method Details

accept

public <R,A> R accept(GenericVisitor<R,A> v,
 A arg)

Description copied from interface: Visitable

Accept method for visitor support.

Type Parameters:

R - the type of the return value of the visitor

A - the type the user argument passed to the visitor

Parameters:

v - the visitor implementation

arg - the argument passed to the visitor (of type A)

Returns:

the result of the visit (of type R)

accept

public <A> void accept(VoidVisitor<A> v,
 A arg)

Description copied from interface: Visitable

Accept method for visitor support.

Type Parameters:

A - the type the argument passed for the visitor

Parameters:

v - the visitor implementation

arg - any value relevant for the visitor (of type A)

clone

public NullLiteralExpr clone()

Overrides:

clone in class LiteralExpr

getMetaModel

public NullLiteralExprMetaModel getMetaModel()

Overrides:

getMetaModel in class LiteralExpr

Returns:

get JavaParser specific node introspection information.

isNullLiteralExpr

public boolean isNullLiteralExpr()

Overrides:

isNullLiteralExpr in class Expression

asNullLiteralExpr

public NullLiteralExpr asNullLiteralExpr()

Overrides:

asNullLiteralExpr in class Expression

ifNullLiteralExpr

public void ifNullLiteralExpr(Consumer<NullLiteralExpr> action)

Overrides:

ifNullLiteralExpr in class Expression

toNullLiteralExpr

public Optional<NullLiteralExpr> toNullLiteralExpr()

Overrides:

toNullLiteralExpr in class Expression