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

java.lang.Object
  net.sf.farrago.fennel.calc.CalcRexImplementorTableImpl.IsBoolImplementor

All Implemented Interfaces:

CalcRexImplementor

Direct Known Subclasses:

CalcRexImplementorTableImpl.IsNotBoolImplementor

Enclosing class:

CalcRexImplementorTableImpl

private static class CalcRexImplementorTableImpl.IsBoolImplementor
extends Object
implements CalcRexImplementor

Implements "IS TRUE" and "IS FALSE" operators.

Field Summary

private boolean	boolType
protected RexNode	res

Constructor Summary

CalcRexImplementorTableImpl.IsBoolImplementor(boolean boolType)

Method Summary

boolean	canImplement(RexCall call)
CalcReg	implement(RexCall call, RexToCalcTranslator translator) Generates instructions to implement this call, and returns the register which holds the result.

Methods inherited from class java.lang.Object

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

Field Detail

boolType

private boolean boolType

res

protected RexNode res

Constructor Detail

CalcRexImplementorTableImpl.IsBoolImplementor

CalcRexImplementorTableImpl.IsBoolImplementor(boolean boolType)

Method Detail

canImplement

public boolean canImplement(RexCall call)

Specified by:

canImplement in interface CalcRexImplementor

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.

Specified by:

implement in interface CalcRexImplementor