Package com.github.javaparser.ast.observer

Interface Observable

All Known Subinterfaces:

HasParentNode<T>

All Known Implementing Classes:

AnnotationDeclaration, AnnotationExpr, AnnotationMemberDeclaration, ArrayAccessExpr, ArrayCreationExpr, ArrayCreationLevel, ArrayInitializerExpr, ArrayType, AssertStmt, AssignExpr, BinaryExpr, BlockComment, BlockStmt, BodyDeclaration, BooleanLiteralExpr, BreakStmt, CallableDeclaration, CastExpr, CatchClause, CharLiteralExpr, ClassExpr, ClassOrInterfaceDeclaration, ClassOrInterfaceType, Comment, CompactConstructorDeclaration, CompilationUnit, ConditionalExpr, ConstructorDeclaration, ContinueStmt, DoStmt, DoubleLiteralExpr, EmptyStmt, EnclosedExpr, EnumConstantDeclaration, EnumDeclaration, ExplicitConstructorInvocationStmt, Expression, ExpressionStmt, FieldAccessExpr, FieldDeclaration, ForEachStmt, ForStmt, IfStmt, ImportDeclaration, InitializerDeclaration, InstanceOfExpr, IntegerLiteralExpr, IntersectionType, JavadocComment, LabeledStmt, LambdaExpr, LineComment, LiteralExpr, LiteralStringValueExpr, LocalClassDeclarationStmt, LocalRecordDeclarationStmt, LongLiteralExpr, MarkerAnnotationExpr, MemberValuePair, MethodCallExpr, MethodDeclaration, MethodReferenceExpr, Modifier, ModuleDeclaration, ModuleDirective, ModuleExportsDirective, ModuleOpensDirective, ModuleProvidesDirective, ModuleRequiresDirective, ModuleUsesDirective, Name, NameExpr, Node, NodeList, NormalAnnotationExpr, NullLiteralExpr, ObjectCreationExpr, PackageDeclaration, Parameter, PatternExpr, PrimitiveType, ReceiverParameter, RecordDeclaration, ReferenceType, ReturnStmt, SimpleName, SingleMemberAnnotationExpr, Statement, StringLiteralExpr, SuperExpr, SwitchEntry, SwitchExpr, SwitchStmt, SynchronizedStmt, TextBlockLiteralExpr, ThisExpr, ThrowStmt, TryStmt, Type, TypeDeclaration, TypeExpr, TypeParameter, UnaryExpr, UnionType, UnknownType, UnparsableStmt, VariableDeclarationExpr, VariableDeclarator, VarType, VoidType, WhileStmt, WildcardType, YieldStmt

public interface Observable

Observable element.

Method Summary

Modifier and Type	Method	Description
boolean	isRegistered(AstObserver observer)	Was this observer registered? Note that equals is used to determine if the given observer was registered.
void	register(AstObserver observer)	Register an observer.
void	unregister(AstObserver observer)	Unregister an observer.

Method Details

register

void register(AstObserver observer)

Register an observer.

unregister

void unregister(AstObserver observer)

Unregister an observer. If the given observer was not registered there are no effects.

isRegistered

boolean isRegistered(AstObserver observer)

Was this observer registered? Note that equals is used to determine if the given observer was registered.