Package net.hydromatic.morel.ast

Class Core.Aggregate

java.lang.Object

net.hydromatic.morel.ast.AstNode

net.hydromatic.morel.ast.Core.BaseNode

net.hydromatic.morel.ast.Core.Aggregate

Enclosing class:

Core

public static class Core.Aggregate
extends Core.BaseNode

Call to an aggregate function in a compute clause.

For example, in compute sumId = sum of #id e, aggregate is "sum", argument is "#id e".

Field Summary

Fields

Modifier and Type	Field	Description
Core.Exp	aggregate
Core.Exp	argument
Type	type

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

op, pos

Constructor Summary

Constructors

Constructor	Description
Aggregate(Type type, Core.Exp aggregate, Core.Exp argument)

Method Summary

Modifier and Type	Method	Description
Core.Aggregate	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.
Core.Aggregate	copy(Type type, Core.Exp aggregate, Core.Exp argument)
(package private) AstWriter	unparse(AstWriter w, int left, int right)

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

toString, unparse

Methods inherited from class java.lang.Object

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

Field Detail

type

public final Type type

aggregate

public final Core.Exp aggregate

argument

@Nullable
public final Core.Exp argument

Constructor Detail

Aggregate

Aggregate(Type type,
          Core.Exp aggregate,
          @Nullable
          Core.Exp argument)

Method Detail

accept

public Core.Aggregate 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.

Overrides:

accept in class Core.BaseNode

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.

Overrides:

accept in class Core.BaseNode

unparse

AstWriter unparse(AstWriter w,
                  int left,
                  int right)

Specified by:

unparse in class AstNode

copy

public Core.Aggregate copy(Type type,
                           Core.Exp aggregate,
                           @Nullable
                           Core.Exp argument)