Package net.hydromatic.morel.eval

Class Codes.ScanRowSink

java.lang.Object

net.hydromatic.morel.eval.Codes.BaseRowSink

net.hydromatic.morel.eval.Codes.ScanRowSink

All Implemented Interfaces:

Codes.RowSink, Describable

Enclosing class:

Codes

static class Codes.ScanRowSink
extends Codes.BaseRowSink

Implementation of Codes.RowSink for a join clause.

Field Summary

Fields

Modifier and Type	Field	Description
private final Code	code
(package private) final Code	conditionCode
(package private) final Op	op
private final Core.Pat	pat

Fields inherited from class net.hydromatic.morel.eval.Codes.BaseRowSink

rowSink

Constructor Summary

Constructors

Constructor	Description
ScanRowSink(Op op, Core.Pat pat, Code code, Code conditionCode, Codes.RowSink rowSink)

Method Summary

Modifier and Type	Method	Description
void	accept(EvalEnv env)
Describer	describe(Describer describer)
private static boolean	isConstantTrue(Code code)

Methods inherited from class net.hydromatic.morel.eval.Codes.BaseRowSink

result, start

Methods inherited from class java.lang.Object

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

Field Details

op

final Op op

pat

private final Core.Pat pat

code

private final Code code

conditionCode

final Code conditionCode

Constructor Details

ScanRowSink

ScanRowSink(Op op,
 Core.Pat pat,
 Code code,
 Code conditionCode,
 Codes.RowSink rowSink)

Method Details

describe

public Describer describe(Describer describer)

isConstantTrue

private static boolean isConstantTrue(Code code)

accept

public void accept(EvalEnv env)

Specified by:

accept in interface Codes.RowSink

Overrides:

accept in class Codes.BaseRowSink