Package net.hydromatic.morel.ast

Class Ast.Aggregate

java.lang.Object

net.hydromatic.morel.ast.AstNode

net.hydromatic.morel.ast.Ast.Aggregate

Enclosing class:

Ast

public static class Ast.Aggregate
extends AstNode

Call to an aggregate function in a compute clause.

For example, in sum of #id e as sumId, aggregate is "sum", argument is "#id e", and id is "sumId".

Field Summary

Fields

Modifier and Type	Field	Description
Ast.Exp	aggregate
Ast.Exp	argument
Ast.Id	id

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

op, pos

Constructor Summary

Constructors

Constructor	Description
Aggregate(Pos pos, Ast.Exp aggregate, Ast.Exp argument, Ast.Id id)

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.

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

toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

aggregate

public final Ast.Exp aggregate

argument

public final Ast.Exp argument

id

public final Ast.Id id

Constructor Detail

Aggregate

public Aggregate(Pos pos,
                 Ast.Exp aggregate,
                 Ast.Exp argument,
                 Ast.Id id)

Method Detail

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