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

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

All Implemented Interfaces:

CalcRexImplementor

Enclosing class:

CalcRexImplementorTableImpl

private static class CalcRexImplementorTableImpl.CastImplementor
extends CalcRexImplementorTableImpl.AbstractCalcRexImplementor

Implementor for CAST operator.

Field Summary

private Map<Pair<SqlTypeName,SqlTypeName>,CalcRexImplementor>	doubleKeyMap
(package private) static CalcRexImplementorTableImpl.CastImplementor	instance

Constructor Summary

private

CalcRexImplementorTableImpl.CastImplementor()

Method Summary

CalcReg	implement(RexCall call, RexToCalcTranslator translator) Generates instructions to implement this call, and returns the register which holds the result.
private void	put(SqlTypeName t1, SqlTypeName t2, CalcRexImplementor value)
private void	putMM(SqlTypeName[] t1s, SqlTypeName[] t2s, CalcRexImplementor value)
private void	putMS(SqlTypeName[] t1s, SqlTypeName t2, CalcRexImplementor value)
private void	putSM(SqlTypeName t1, SqlTypeName[] t2s, CalcRexImplementor 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

Field Detail

instance

static final CalcRexImplementorTableImpl.CastImplementor instance

doubleKeyMap

private final Map<Pair<SqlTypeName,SqlTypeName>,CalcRexImplementor> doubleKeyMap

Constructor Detail

CalcRexImplementorTableImpl.CastImplementor

private CalcRexImplementorTableImpl.CastImplementor()

Method Detail

putMM

private void putMM(SqlTypeName[] t1s,
                   SqlTypeName[] t2s,
                   CalcRexImplementor value)

putMS

private void putMS(SqlTypeName[] t1s,
                   SqlTypeName t2,
                   CalcRexImplementor value)

putSM

private void putSM(SqlTypeName t1,
                   SqlTypeName[] t2s,
                   CalcRexImplementor value)

put

private void put(SqlTypeName t1,
                 SqlTypeName t2,
                 CalcRexImplementor value)

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.