Package org.apache.druid.math.expr

Interface Expr.Shuttle

Enclosing interface:

Expr

public static interface Expr.Shuttle

Mechanism to rewrite an Expr, implementing a Expr.Shuttle allows visiting all children of an Expr, and replacing them as desired.

Method Summary

Modifier and Type	Method	Description
Expr	visit(Expr expr)	Provide the Expr.Shuttle with an Expr to inspect and potentially rewrite.
default List<Expr>	visitAll(List<Expr> exprs)

Method Details

visit

Expr visit(Expr expr)

Provide the Expr.Shuttle with an Expr to inspect and potentially rewrite.

visitAll

default List<Expr> visitAll(List<Expr> exprs)