Package net.hydromatic.morel.ast

Class Core.Group

java.lang.Object

net.hydromatic.morel.ast.AstNode

net.hydromatic.morel.ast.Core.BaseNode

net.hydromatic.morel.ast.Core.FromStep

net.hydromatic.morel.ast.Core.Group

Enclosing class:

Core

public static class Core.Group
extends Core.FromStep

A group clause in a from expression.

Field Summary

Fields

Modifier and Type	Field	Description
SortedMap<Core.IdPat,Core.Aggregate>	aggregates
SortedMap<Core.IdPat,Core.Exp>	groupExps

Fields inherited from class net.hydromatic.morel.ast.Core.FromStep

bindings

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

op, pos

Constructor Summary

Constructors

Constructor	Description
Group(com.google.common.collect.ImmutableList<Binding> bindings, com.google.common.collect.ImmutableSortedMap<Core.IdPat,Core.Exp> groupExps, com.google.common.collect.ImmutableSortedMap<Core.IdPat,Core.Aggregate> aggregates)

Method Summary

Modifier and Type	Method	Description
Core.Group	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.Group	copy(SortedMap<Core.IdPat,Core.Exp> groupExps, SortedMap<Core.IdPat,Core.Aggregate> aggregates)
protected AstWriter	unparse(AstWriter w, Core.From from, int ordinal, int left, int right)

Methods inherited from class net.hydromatic.morel.ast.Core.FromStep

unparse

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

groupExps

public final SortedMap<Core.IdPat,Core.Exp> groupExps

aggregates

public final SortedMap<Core.IdPat,Core.Aggregate> aggregates

Constructor Detail

Group

Group(com.google.common.collect.ImmutableList<Binding> bindings,
      com.google.common.collect.ImmutableSortedMap<Core.IdPat,Core.Exp> groupExps,
      com.google.common.collect.ImmutableSortedMap<Core.IdPat,Core.Aggregate> aggregates)

Method Detail

accept

public Core.Group 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 Core.FromStep

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

protected AstWriter unparse(AstWriter w,
                            Core.From from,
                            int ordinal,
                            int left,
                            int right)

Specified by:

unparse in class Core.FromStep

copy

public Core.Group copy(SortedMap<Core.IdPat,Core.Exp> groupExps,
                       SortedMap<Core.IdPat,Core.Aggregate> aggregates)