Package org.neo4j.cypherdsl.core.support

Interface Visitable

All Known Subinterfaces:

Case.CaseEnding, Condition, Expression, Literal<T>, Node, PatternElement, Property, Relationship, RelationshipPattern, Statement, Statement.RegularQuery, Statement.SingleQuery

All Known Implementing Classes:

AliasedExpression, Arguments, Asterisk, BooleanLiteral, Case, Case.CaseElse, Case.CaseWhenThen, Case.GenericCase, Case.GenericCase.EndingGenericCase, Case.SimpleCase, Case.SimpleCase.EndingSimpleCase, Comparison, CompoundCondition, ConstantCondition, Create, Delete, Distinct, ExistentialSubquery, FunctionInvocation, HasLabelCondition, Hint, Hint.IndexProperties, KeyValueMapEntry, Limit, ListComprehension, ListExpression, ListLiteral, ListOperator, ListOperator.Details, MapExpression, MapProjection, Match, Merge, MergeAction, NamedPath, Namespace, NestedExpression, NodeBase, NodeLabel, NotCondition, NullLiteral, NumberLiteral, Operation, Operator, Order, Parameter, Pattern, PatternComprehension, ProcedureCall, ProcedureName, Properties, PropertyLookup, Reduction, Relationship.Details, RelationshipBase, RelationshipChain, RelationshipLength, RelationshipTypes, Remove, Return, ReturnBody, Set, Skip, SortItem, SortItem.Direction, StringLiteral, Subquery, SymbolicName, TemporalLiteral, TypedSubtree, UnionPart, Unwind, Where, With, YieldItems

public interface Visitable

Interface for implementations that accepts visitors.

Since:

1.0

Author:

Michael Simons

See Also:

Visitor

Method Summary

Modifier and Type	Method	Description
default void	accept(Visitor visitor)	Accept a Visitor visiting this Visitable and its nested Visitables if applicable.
static void	visitIfNotNull(Visitable visitable, Visitor visitor)	A helper method that presents the visitor to the visitable if the visitable is not null.

Method Detail

visitIfNotNull

static void visitIfNotNull(Visitable visitable,
                           Visitor visitor)

A helper method that presents the visitor to the visitable if the visitable is not null. Not meant to be overridden.

Parameters:

visitable - The visitable to visit if not null

visitor - The visitor to use

accept

default void accept(Visitor visitor)

Accept a Visitor visiting this Visitable and its nested Visitables if applicable.

Parameters:

visitor - the visitor to notify, must not be null.