private static Object ParseNumber(IRuleNode number, int factor)
{
var tokenType = GetSingleChildTokenType(number);
if (tokenType == EsperEPL2GrammarLexer.IntegerLiteral)
{
return(ParseIntLongByte(number.GetText(), factor));
}
else if (tokenType == EsperEPL2GrammarLexer.FloatingPointLiteral)
{
var numberText = number.GetText();
if (numberText.EndsWith("m"))
{
return(DecimalValue.ParseString(number.GetText()) * factor);
}
else if (numberText.EndsWith("f") || numberText.EndsWith("F"))
{
return(FloatValue.ParseString(number.GetText()) * factor);
}
else
{
return(DoubleValue.ParseString(number.GetText()) * factor);
}
}
throw ASTWalkException.From("Encountered unrecognized constant", number.GetText());
}
private AggSvcGroupByReclaimAgedEvalFuncFactory GetEvaluationFunction(VariableService variableService, String hintValue, String optionalContextName)
{
VariableMetaData variableMetaData = variableService.GetVariableMetaData(hintValue);
if (variableMetaData != null)
{
if (!variableMetaData.VariableType.IsNumeric())
{
throw new ExprValidationException("Variable type of variable '" + variableMetaData.VariableName + "' is not numeric");
}
String message = VariableServiceUtil.CheckVariableContextName(optionalContextName, variableMetaData);
if (message != null)
{
throw new ExprValidationException(message);
}
return(new ProxyAggSvcGroupByReclaimAgedEvalFuncFactory
{
ProcMake = agentInstanceContext =>
{
VariableReader reader = variableService.GetReader(
variableMetaData.VariableName, agentInstanceContext.AgentInstanceId);
return new AggSvcGroupByReclaimAgedEvalFuncVariable(reader);
}
});
}
else
{
double valueDouble;
try {
valueDouble = DoubleValue.ParseString(hintValue);
}
catch (Exception) {
throw new ExprValidationException("Failed to parse hint parameter value '" + hintValue + "' as a double-typed seconds value or variable name");
}
if (valueDouble <= 0)
{
throw new ExprValidationException("Hint parameter value '" + hintValue + "' is an invalid value, expecting a double-typed seconds value or variable name");
}
return(new ProxyAggSvcGroupByReclaimAgedEvalFuncFactory
{
ProcMake = agentInstanceContext => new AggSvcGroupByReclaimAgedEvalFuncConstant(valueDouble)
});
}
}