Package net.hydromatic.morel.ast

Class Ast.From

java.lang.Object

net.hydromatic.morel.ast.AstNode

net.hydromatic.morel.ast.Ast.Exp

net.hydromatic.morel.ast.Ast.From

Enclosing class:

Ast

public static class Ast.From
extends Ast.Exp

From expression.

Field Summary

Fields

Modifier and Type	Field	Description
com.google.common.collect.ImmutableList<Ast.Aggregate>	aggregates
Ast.Exp	filterExp
com.google.common.collect.ImmutableList<Pair<Ast.Exp,Ast.Id>>	groupExps
java.util.Map<Ast.Id,Ast.Exp>	sources
Ast.Exp	yieldExp
Ast.Exp	yieldExpOrDefault	The expression in the yield clause, or the default yield expression if not specified; never null.

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

op, pos

Constructor Summary

Constructors

Constructor	Description
From(Pos pos, com.google.common.collect.ImmutableMap<Ast.Id,Ast.Exp> sources, Ast.Exp filterExp, Ast.Exp yieldExp, com.google.common.collect.ImmutableList<Pair<Ast.Exp,Ast.Id>> groupExps, com.google.common.collect.ImmutableList<Ast.Aggregate> aggregates)

Method Summary

Modifier and Type	Method	Description
Ast.Exp	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.
Ast.From	copy(java.util.Map<Ast.Id,Ast.Exp> sources, Ast.Exp filterExp, Ast.Exp yieldExp, java.util.List<Pair<Ast.Exp,Ast.Id>> groupExps, java.util.List<Ast.Aggregate> aggregates)	Creates a copy of this From with given contents, or this if the contents are the same.
(package private) AstWriter	unparse(AstWriter w, int left, int right)

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

args, forEachArg

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

sources

public final java.util.Map<Ast.Id,Ast.Exp> sources

filterExp

public final Ast.Exp filterExp

yieldExp

public final Ast.Exp yieldExp

yieldExpOrDefault

public final Ast.Exp yieldExpOrDefault

The expression in the yield clause, or the default yield expression if not specified; never null.

groupExps

public final com.google.common.collect.ImmutableList<Pair<Ast.Exp,Ast.Id>> groupExps

aggregates

public final com.google.common.collect.ImmutableList<Ast.Aggregate> aggregates

Constructor Detail

From

From(Pos pos,
     com.google.common.collect.ImmutableMap<Ast.Id,Ast.Exp> sources,
     Ast.Exp filterExp,
     Ast.Exp yieldExp,
     com.google.common.collect.ImmutableList<Pair<Ast.Exp,Ast.Id>> groupExps,
     com.google.common.collect.ImmutableList<Ast.Aggregate> aggregates)

Method Detail

accept

public Ast.Exp 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 Ast.Exp

unparse

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

Specified by:

unparse in class AstNode

copy

public Ast.From copy(java.util.Map<Ast.Id,Ast.Exp> sources,
                     Ast.Exp filterExp,
                     Ast.Exp yieldExp,
                     java.util.List<Pair<Ast.Exp,Ast.Id>> groupExps,
                     java.util.List<Ast.Aggregate> aggregates)

Creates a copy of this From with given contents, or this if the contents are the same.