public static TimePeriodComputeForge ValidateAndEvaluateTimeDeltaFactory(
string viewName,
ExprNode expression,
string expectedMessage,
int expressionNumber,
ViewForgeEnv viewForgeEnv,
int streamNumber)
{
StreamTypeService streamTypeService = new StreamTypeServiceImpl(false);
TimePeriodComputeForge forge;
if (expression is ExprTimePeriod) {
var validated = (ExprTimePeriod) ViewForgeSupport.ValidateExpr(
viewName,
expression,
streamTypeService,
viewForgeEnv,
expressionNumber,
streamNumber);
forge = validated.TimePeriodComputeForge;
}
else {
var validated = ViewForgeSupport.ValidateExpr(
viewName,
expression,
streamTypeService,
viewForgeEnv,
expressionNumber,
streamNumber);
var returnType = validated.Forge.EvaluationType.GetBoxedType();
if (!returnType.IsNumeric()) {
throw new ViewParameterException(expectedMessage);
}
if (validated.Forge.ForgeConstantType.IsCompileTimeConstant) {
var timeAbacus = viewForgeEnv.ImportServiceCompileTime.TimeAbacus;
var secondsEvaluator = validated.Forge.ExprEvaluator;
var time = ViewForgeSupport.Evaluate(secondsEvaluator, 0, viewName);
if (!time.IsNumber()) {
throw new IllegalStateException(nameof(time) + " is not a number");
}
if (!ExprTimePeriodUtil.ValidateTime(time, timeAbacus)) {
throw new ViewParameterException(ExprTimePeriodUtil.GetTimeInvalidMsg(viewName, "view", time));
}
var msec = timeAbacus.DeltaForSecondsNumber(time);
forge = new TimePeriodComputeConstGivenDeltaForge(msec);
}
else {
forge = new TimePeriodComputeNCGivenExprForge(
validated.Forge,
viewForgeEnv.ImportServiceCompileTime.TimeAbacus);
}
}
return forge;
}
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;
}