public void SetObserverParameters(
IList<ExprNode> parameters,
MatchedEventConvertorForge convertor,
ExprValidationContext validationContext)
{
ObserverParameterUtil.ValidateNoNamedParameters(NAME, parameters);
var errorMessage = NAME + " requires a single numeric or time period parameter";
if (parameters.Count != 1) {
throw new ObserverParameterException(errorMessage);
}
if (!(parameters[0] is ExprTimePeriod)) {
var returnType = parameters[0].Forge.EvaluationType;
if (!returnType.IsNumeric()) {
throw new ObserverParameterException(errorMessage);
}
}
parameter = parameters[0];
this.convertor = convertor;
timeAbacus = validationContext.ImportService.TimeAbacus;
}
public void SetObserverParameters(
IList<ExprNode> parameters,
MatchedEventConvertorForge convertor,
ExprValidationContext validationContext)
{
ObserverParameterUtil.ValidateNoNamedParameters("timer:at", parameters);
if (Log.IsDebugEnabled) {
Log.Debug(".setObserverParameters " + parameters);
}
if (parameters.Count < 5 || parameters.Count > 9) {
throw new ObserverParameterException("Invalid number of parameters for timer:at");
}
this.parameters = parameters;
this.convertor = convertor;
// if all parameters are constants, lets try to evaluate and build a schedule for early validation
var allConstantResult = true;
foreach (var param in parameters) {
if (!(param is ExprWildcard) && !param.Forge.ForgeConstantType.IsCompileTimeConstant) {
allConstantResult = false;
}
}
if (allConstantResult) {
try {
var observerParameters = EvaluateCompileTime(parameters);
spec = ScheduleSpecUtil.ComputeValues(observerParameters.ToArray());
}
catch (ScheduleParameterException e) {
throw new ObserverParameterException(
"Error computing crontab schedule specification: " + e.Message,
e);
}
}
}
