package gw.rating.flow.domain

uses com.guidewire.pl.system.expression.GosuExpression
uses gw.lang.reflect.IType

class NumericConstantOperand extends CalcStepValueOperand {
  static var iSymbolTable = GosuShop.createSymbolTable()
  var _constantValue : String as Value

  construct(constValue : String, opType : CalcStepOperatorType, numLeft : int, numRight : int, aHighlightElement : RateRoutineHighlightElement) {
    super(opType, numLeft, numRight)
    _constantValue = constValue
    _highlightElement = aHighlightElement
  }

  override protected function generateValue(context: GenerationContext) {
    var dataType = getDataType(context)
    if (dataType == java.lang.Integer or dataType == int or Value.endsWith("bd")) {
      context.append(Value)
    } else {
      // explicitly generate "bd" so that double won't be inferred.
      context.append(Value.trim() + "bd")
    }
  }

  override function getDataType(context: GenerationContext) : IType {
    // this is already known, and should be passed in
    return new GosuExpression(Value).getType(iSymbolTable)
  }

  override property get OperandType() : CalcStepOperandType {
     return CalcStepOperandType.TC_CONSTANT
  }

}