Package net.hydromatic.morel.ast

Class Ast.Union

java.lang.Object

net.hydromatic.morel.ast.AstNode

net.hydromatic.morel.ast.Ast.FromStep

net.hydromatic.morel.ast.Ast.SetStep

net.hydromatic.morel.ast.Ast.Union

Enclosing class:

Ast

public static class Ast.Union
extends Ast.SetStep

A union step in a from expression.

Field Summary

Fields inherited from class net.hydromatic.morel.ast.Ast.SetStep

args, distinct

Fields inherited from class net.hydromatic.morel.ast.AstNode

op, pos

Constructor Summary

Constructors

Constructor	Description
Union(Pos pos, boolean distinct, com.google.common.collect.ImmutableList<Ast.Exp> args)

Method Summary

Modifier and Type	Method	Description
AstNode	accept(Shuttle shuttle)	Accepts a shuttle, calling the Shuttle.visit(net.hydromatic.morel.ast.Ast.Literal) method appropriate to the type of this node, and returning the result.
void	accept(Visitor visitor)	Accepts a visitor, calling the Shuttle.visit(net.hydromatic.morel.ast.Ast.Literal) method appropriate to the type of this node, and returning the result.
Ast.Union	copy(boolean distinct, List<Ast.Exp> args)

Methods inherited from class net.hydromatic.morel.ast.Ast.SetStep

equals, hashCode, unparse

Methods inherited from class net.hydromatic.morel.ast.AstNode

toString, unparse

Methods inherited from class java.lang.Object

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

Constructor Details

Union

Union(Pos pos,
 boolean distinct,
 com.google.common.collect.ImmutableList<Ast.Exp> args)

Method Details

accept

public AstNode accept(Shuttle shuttle)

Description copied from class: AstNode

Accepts a shuttle, calling the Shuttle.visit(net.hydromatic.morel.ast.Ast.Literal) method appropriate to the type of this node, and returning the result.

Specified by:

accept in class AstNode

accept

public void accept(Visitor visitor)

Description copied from class: AstNode

Accepts a visitor, calling the Shuttle.visit(net.hydromatic.morel.ast.Ast.Literal) method appropriate to the type of this node, and returning the result.

Specified by:

accept in class AstNode

copy

public Ast.Union copy(boolean distinct,
 List<Ast.Exp> args)

Specified by:

copy in class Ast.SetStep