net.sf.farrago.fennel.calc
Class CalcRexImplementorTableImpl.CaseImplementor

java.lang.Object
  net.sf.farrago.fennel.calc.CalcRexImplementorTableImpl.AbstractCalcRexImplementor
      net.sf.farrago.fennel.calc.CalcRexImplementorTableImpl.CaseImplementor

All Implemented Interfaces:

CalcRexImplementor

Enclosing class:

CalcRexImplementorTableImpl

private static class CalcRexImplementorTableImpl.CaseImplementor
extends CalcRexImplementorTableImpl.AbstractCalcRexImplementor

Implementor for CASE operator.

Constructor Summary

private

CalcRexImplementorTableImpl.CaseImplementor()

Method Summary

CalcReg	implement(RexCall call, RexToCalcTranslator translator) Generates instructions to implement this call, and returns the register which holds the result.
private void	implementCaseValue(RexToCalcTranslator translator, CalcReg resultOfCall, RelDataType resultDataType, RexNode value)

Methods inherited from class net.sf.farrago.fennel.calc.CalcRexImplementorTableImpl.AbstractCalcRexImplementor

canImplement

Methods inherited from class java.lang.Object

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

Constructor Detail

CalcRexImplementorTableImpl.CaseImplementor

private CalcRexImplementorTableImpl.CaseImplementor()

Method Detail

implement

public CalcReg implement(RexCall call,
                         RexToCalcTranslator translator)

Description copied from interface: CalcRexImplementor

Generates instructions to implement this call, and returns the register which holds the result.

implementCaseValue

private void implementCaseValue(RexToCalcTranslator translator,
                                CalcReg resultOfCall,
                                RelDataType resultDataType,
                                RexNode value)