private RuleEngineItem createRuleEngineItem(string fullElementName, string op, string right, string dateType, string bitWiseOperation)
{
IoTHubAliasEventMessageReceiver receiver = new IoTHubAliasEventMessageReceiver("test");
RuleEngineItem rei = new RuleEngineItem();
rei.ElementName = fullElementName;
rei.DataType = AlarmRuleItemEngineUtility.GetSupportDataType(dateType);
rei.OrderOperation = bitWiseOperation;
rei.Result = false;
if (rei.DataType == SupportDataTypeEnum.String &&
(string.IsNullOrEmpty(right) || right.ToLower().Equals("null")))
{
right = "null";
}
if (rei.DataType == SupportDataTypeEnum.Numeric || rei.DataType == SupportDataTypeEnum.Bool)
{
rei.Equality = receiver.CreateCompiledRuleFuncTest(rei.DataType, op, right);
}
else
{
// SupportDataTypeEnum.String
rei.StringRightValue = right;
rei.StringEqualOperation = op;
}
return(rei);
}
private bool compileBitWiseRules(int offset, Dictionary <string, RuleEngineItem> ruleEngineItems)
{
RuleEngineItem rei = ruleEngineItems.ElementAt(offset).Value;
if (offset == 0)
{
return(rei.Result);
}
else
{
offset--;
RuleEngineItem previousRei = ruleEngineItems.ElementAt(offset).Value;
return(AlarmRuleItemEngineUtility.ComplieBoolRule(rei.Result, previousRei.OrderOperation, compileBitWiseRules(offset, ruleEngineItems)));
}
}
private Func <DynamicMessageElement, bool> createCompiledRuleFunc(SupportDataTypeEnum supportedDataType, string op, string right)
{
EqualityRule rule;
switch (supportedDataType)
{
case SupportDataTypeEnum.Bool:
rule = new EqualityRule("StringValue", AlarmRuleItemEngineUtility.GetEqualityOperation(op), right.ToLower());
break;
case SupportDataTypeEnum.Numeric:
decimal rightValue = Decimal.Parse(right);
if (rightValue >= 0)
{
rule = new EqualityRule("DecimalValue", AlarmRuleItemEngineUtility.GetEqualityOperation(op), right);
}
else
{
rule = new EqualityRule("DecimalValue", AlarmRuleItemEngineUtility.GetEqualityOperation(op), "0-" + Decimal.Negate(rightValue).ToString());
}
break;
case SupportDataTypeEnum.String:
rule = new EqualityRule("StringValue", AlarmRuleItemEngineUtility.GetEqualityOperation(op), right);
break;
default:
throw new NotSupportedException();
}
RuleBase rb = null;
using (var mem = new MemoryStream())
{
Serializer.Serialize(mem, rule);
mem.Position = 0;
rb = Serializer.Deserialize <RuleBase>(mem);
}
string ruleText;
Func <DynamicMessageElement, bool> compiledRule = rb.CompileRule <DynamicMessageElement>(out ruleText);
//_consoleLog.MessageAlarmDebug("----ruleText={0}", ruleText);
//_consoleLog.MessageAlarmDebug("----ruleText="+ruleText);
return(compiledRule);
}
private Dictionary <string, RuleEngineItem> createRuleEngineItem(EventRuleCatalog eventRuleCatalog)
{
List <DetailForRuleEngineModel> detailForRuleEngineModelList = new List <DetailForRuleEngineModel>();
foreach (EventRuleItem erItem in eventRuleCatalog.EventRuleItem)
{
DetailForRuleEngineModel returnData = new DetailForRuleEngineModel();
returnData.Id = erItem.Id;
returnData.EventRuleCatalogId = eventRuleCatalog.Id;
returnData.Ordering = erItem.Ordering;
returnData.MessageElementId = erItem.MessageElementId;
returnData.EqualOperation = erItem.EqualOperation;
returnData.Value = erItem.Value;
returnData.BitWiseOperation = erItem.BitWiseOperation;
returnData.MessageElementDataType = erItem.MessageElement1.ElementDataType;
if (erItem.MessageElement != null)
{
returnData.MessageElementFullName = erItem.MessageElement.ElementName + "_" + erItem.MessageElement1.ElementName;
}
else
{
returnData.MessageElementFullName = erItem.MessageElement1.ElementName;
}
detailForRuleEngineModelList.Add(returnData);
}
Dictionary <string, RuleEngineItem> ruleEngineItems = new Dictionary <string, RuleEngineItem>();
int index = 0;
foreach (var detailForRuleEngineModel in detailForRuleEngineModelList)
{
RuleEngineItem rei = new RuleEngineItem();
rei.ElementName = detailForRuleEngineModel.MessageElementFullName;
rei.DataType = AlarmRuleItemEngineUtility.GetSupportDataType(detailForRuleEngineModel.MessageElementDataType);
rei.OrderOperation = detailForRuleEngineModel.BitWiseOperation;
rei.Result = false;
_consoleLog.MessageEventDebug("--ElementName={0}, BitWiseOperation={1}", rei.ElementName, rei.OrderOperation);
if (rei.DataType == SupportDataTypeEnum.String &&
(string.IsNullOrEmpty(detailForRuleEngineModel.Value) || detailForRuleEngineModel.Value.ToLower().Equals("null")))
{
detailForRuleEngineModel.Value = "null";
}
if (rei.DataType == SupportDataTypeEnum.Numeric || rei.DataType == SupportDataTypeEnum.Bool)
{
rei.Equality = createCompiledRuleFunc(rei.DataType, detailForRuleEngineModel.EqualOperation, detailForRuleEngineModel.Value);
}
else
{
// SupportDataTypeEnum.String
rei.Equality = null;
rei.StringRightValue = detailForRuleEngineModel.Value;
if (detailForRuleEngineModel.EqualOperation.Equals("=") || detailForRuleEngineModel.EqualOperation.Equals("!="))
{
rei.StringEqualOperation = detailForRuleEngineModel.EqualOperation;
}
else
{
throw new ArgumentNullException("String equal operation is not supported - " + detailForRuleEngineModel.EqualOperation);
}
_consoleLog.MessageEventDebug("----ruleText=({0} {1} {2})", rei.ElementName, detailForRuleEngineModel.EqualOperation, rei.StringRightValue);
}
// Add the index to avoid the duplicate key
ruleEngineItems.Add(rei.ElementName + "-" + index, rei);
index++;
}
return(ruleEngineItems);
}
private bool testBoolRule(bool left, string op, bool right)
{
return(AlarmRuleItemEngineUtility.ComplieBoolRule(left, op, right));
}
