Package net.hydromatic.morel.eval

Class Codes.GroupRowSink

java.lang.Object

net.hydromatic.morel.eval.Codes.GroupRowSink

All Implemented Interfaces:

Codes.RowSink, Describable

Enclosing class:

Codes

private static class Codes.GroupRowSink
extends Object
implements Codes.RowSink

Implementation of Codes.RowSink for a group clause.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) com.google.common.collect.ImmutableList<Applicable>	aggregateCodes
(package private) com.google.common.collect.ImmutableList<String>	inNames
(package private) Code	keyCode
(package private) com.google.common.collect.ImmutableList<String>	keyNames
(package private) com.google.common.collect.ListMultimap<Object,Object>	map
(package private) com.google.common.collect.ImmutableList<String>	outNames	group names followed by aggregate names
(package private) Codes.RowSink	rowSink
(package private) Object[]	values

Constructor Summary

Constructors

Constructor	Description
GroupRowSink(Code keyCode, com.google.common.collect.ImmutableList<Applicable> aggregateCodes, com.google.common.collect.ImmutableList<String> inNames, com.google.common.collect.ImmutableList<String> keyNames, com.google.common.collect.ImmutableList<String> outNames, Codes.RowSink rowSink)

Method Summary

Modifier and Type	Method	Description
void	accept(EvalEnv env)
Describer	describe(Describer describer)
private static <E> boolean	isPrefix(List<E> list0, List<E> list1)
List<Object>	result(EvalEnv env)

Methods inherited from class java.lang.Object

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

Field Detail

keyCode

final Code keyCode

inNames

final com.google.common.collect.ImmutableList<String> inNames

keyNames

final com.google.common.collect.ImmutableList<String> keyNames

outNames

final com.google.common.collect.ImmutableList<String> outNames

group names followed by aggregate names

aggregateCodes

final com.google.common.collect.ImmutableList<Applicable> aggregateCodes

rowSink

final Codes.RowSink rowSink

map

final com.google.common.collect.ListMultimap<Object,Object> map

values

final Object[] values

Constructor Detail

GroupRowSink

GroupRowSink(Code keyCode,
             com.google.common.collect.ImmutableList<Applicable> aggregateCodes,
             com.google.common.collect.ImmutableList<String> inNames,
             com.google.common.collect.ImmutableList<String> keyNames,
             com.google.common.collect.ImmutableList<String> outNames,
             Codes.RowSink rowSink)

Method Detail

isPrefix

private static <E> boolean isPrefix(List<E> list0,
                                    List<E> list1)

describe

public Describer describe(Describer describer)

Specified by:

describe in interface Describable

accept

public void accept(EvalEnv env)

Specified by:

accept in interface Codes.RowSink

result

public List<Object> result(EvalEnv env)

Specified by:

result in interface Codes.RowSink