public static ExprEvaluator ValidateSizeParam(
string viewName,
StatementContext statementContext,
ExprNode sizeNode,
int expressionNumber)
{
var sizeEvaluator = sizeNode.ExprEvaluator;
var returnType = sizeEvaluator.ReturnType.GetBoxedType();
if (!returnType.IsNumeric() ||
returnType.IsFloatingPointClass() ||
returnType.IsBoxedType <long>())
{
throw new ViewParameterException(GetViewParamMessage(viewName));
}
if (sizeNode.IsConstantResult)
{
var size = ViewFactorySupport.Evaluate(sizeEvaluator, expressionNumber, viewName, statementContext);
if (!ValidateSize(size))
{
throw new ViewParameterException(GetSizeValidationMsg(viewName, size));
}
}
return(sizeEvaluator);
}
public static ExprTimePeriodEvalDeltaConstFactory ValidateAndEvaluateTimeDeltaFactory(
string viewName,
StatementContext statementContext,
ExprNode expression,
string expectedMessage,
int expressionNumber)
{
var streamTypeService = new StreamTypeServiceImpl(statementContext.EngineURI, false);
ExprTimePeriodEvalDeltaConstFactory factory;
if (expression is ExprTimePeriod)
{
var validated = (ExprTimePeriod) ViewFactorySupport.ValidateExpr(
viewName, statementContext, expression, streamTypeService, expressionNumber);
factory = validated.ConstEvaluator(new ExprEvaluatorContextStatement(statementContext, false));
}
else
{
var validated = ViewFactorySupport.ValidateExpr(
viewName, statementContext, expression, streamTypeService, expressionNumber);
var secondsEvaluator = validated.ExprEvaluator;
var returnType = secondsEvaluator.ReturnType.GetBoxedType();
if (!returnType.IsNumeric())
{
throw new ViewParameterException(expectedMessage);
}
if (validated.IsConstantResult)
{
var time = ViewFactorySupport.Evaluate(secondsEvaluator, 0, viewName, statementContext);
if (!ExprTimePeriodUtil.ValidateTime(time, statementContext.TimeAbacus))
{
throw new ViewParameterException(ExprTimePeriodUtil.GetTimeInvalidMsg(viewName, "view", time));
}
var msec = statementContext.TimeAbacus.DeltaForSecondsNumber(time);
factory = new ExprTimePeriodEvalDeltaConstGivenDelta(msec);
}
else
{
factory = new ExprTimePeriodEvalDeltaConstFactoryMsec(secondsEvaluator, statementContext.TimeAbacus);
}
}
return factory;
}
