public ServerHandler(TcpServerProperties tcpServerProperties, RulesEngine.RulesEngine engine, TcpRuleWorkflow ruleWorkflow, ILogger logger)
{
_tcpServerProperties = tcpServerProperties;
_engine = engine;
_ruleWorkflow = ruleWorkflow;
_logger = logger;
}
public WeatherForecastMapper()
{
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
List <Workflow>?workflow = JsonConvert.DeserializeObject <List <Workflow> >(GetFileText());
_rulesEngine = new RulesEngine.RulesEngine(workflow?.ToArray());
}
public DotNettyTcpServerMessageListener(ILogger logger, string id, TcpServerProperties properties)
{
_logger = logger;
Id = id;
_tcpServerProperties = properties;
_ruleWorkflow = GetTcpRuleWorkflow();
_engine = GetRuleEngine();
}
private RulesEngine.RulesEngine GetRuleEngine()
{
var reSettingsWithCustomTypes = new ReSettings {
CustomTypes = new Type[] { typeof(RulePipePayloadParser) }
};
var result = new RulesEngine.RulesEngine(new Workflow[] { _ruleWorkflow.GetWorkflow() }, null, reSettingsWithCustomTypes);
return(result);
}
public Task SaveAsync(WorkflowRules[] rules, CancellationToken cancellationToken)
{
var engine = new re(null);
// provides with workflow validation
engine.AddWorkflow(rules);
return(Task.CompletedTask);
}
internal void Do(Report report)
{
int pages = 0;
var rulesEngine = new RulesEngine.RulesEngine();
foreach (var urlDto in _sqlRepository.GetWebPages())
{
rulesEngine.ProcessPage(_sqlRepository, urlDto, report);
pages++;
}
_log.Info("Pages analyzed: " + pages);
}
/// <summary>
/// 适配优惠券
/// </summary>
/// <returns></returns>
public async Task <string> SelectCouponAsync()
{
var workRules = new RulesEngine.Models.WorkflowRules();
workRules.WorkflowName = "优惠券";
var rules = new List <Rule>();
foreach (var coupon in _userCoupons.Where(s => s.BeginTime <DateTime.Now && s.EndTime> DateTime.Now))
{
var rule = new Rule
{
RuleName = coupon.Name,
SuccessEvent = coupon.Code,
//ErrorMessage = "规则应用失败",
ErrorType = ErrorType.Error,
RuleExpressionType = RuleExpressionType.LambdaExpression,
Expression = coupon.Expression
};
rules.Add(rule);
}
workRules.Rules = rules;
var rulesEngine = new RulesEngine.RulesEngine(new WorkflowRules[] { workRules }, _logger, new ReSettings());
var ruleResults = await rulesEngine.ExecuteAllRulesAsync("优惠券", _order, _user, _goodses);
// var valueCoupons = new List<string>();
//处理结果
var discountCoupons = new StringBuilder();
foreach (var ruleResult in ruleResults)
{
if (ruleResult.IsSuccess)
{
discountCoupons.AppendLine($"可以使用的优惠券 “{_userCoupons.SingleOrDefault(s => s.Code == ruleResult.Rule.SuccessEvent)?.Name}”, Code是：{ruleResult.Rule.SuccessEvent}");
//valueCoupons.Add(ruleResult.Rule.SuccessEvent);
}
else
{
Console.WriteLine(ruleResult.ExceptionMessage);
}
}
//resultList.OnSuccess((eventName) =>
//{
// discountOffered += $"可以使用的优惠券“{userCoupons.SingleOrDefault(s => s.Code == eventName)?.Name}”,Code是：{eventName} ";
//});
ruleResults.OnFail(() =>
{
discountCoupons.AppendLine("您没有适合的优惠券！");
});
return(discountCoupons.ToString());
}
public static void Main(string[] args)
{
var nestedInput = new
{
SimpleProp = "simpleProp",
NestedProp = new
{
SimpleProp = "nestedSimpleProp",
ListProp = new List <ListItem>
{
new ListItem
{
Id = 1,
Value = "first"
},
new ListItem
{
Id = 2,
Value = "second"
}
}
}
};
var files = Directory.GetFiles(Directory.GetCurrentDirectory(), "NestedInputDemo.json", SearchOption.AllDirectories);
if (files == null || files.Length == 0)
{
throw new Exception("Rules not found.");
}
var fileData = File.ReadAllText(files[0]);
var workflowRules = JsonConvert.DeserializeObject <List <WorkflowRules> >(fileData);
var bre = new RulesEngine.RulesEngine(workflowRules.ToArray(), null);
foreach (var workflow in workflowRules)
{
List <RuleResultTree> resultList = bre.ExecuteRule(workflow.WorkflowName, nestedInput);
resultList.OnSuccess((eventName) =>
{
Console.WriteLine($"{workflow.WorkflowName} evaluation resulted in succees - {eventName}");
}).OnFail(() =>
{
Console.WriteLine($"{workflow.WorkflowName} evaluation resulted in failure");
})
;
}
}
public void Run()
{
Console.WriteLine($"Running {nameof(BasicDemo)}....");
var basicInfo = "{\"name\": \"hello\",\"email\": \"[email protected]\",\"creditHistory\": \"good\",\"country\": \"canada\",\"loyalityFactor\": 3,\"totalPurchasesToDate\": 10000}";
var orderInfo = "{\"totalOrders\": 5,\"recurringItems\": 2}";
var telemetryInfo = "{\"noOfVisitsPerMonth\": 10,\"percentageOfBuyingToVisit\": 15}";
var converter = new ExpandoObjectConverter();
dynamic input1 = JsonConvert.DeserializeObject <ExpandoObject>(basicInfo, converter);
dynamic input2 = JsonConvert.DeserializeObject <ExpandoObject>(orderInfo, converter);
dynamic input3 = JsonConvert.DeserializeObject <ExpandoObject>(telemetryInfo, converter);
var inputs = new dynamic[]
{
input1,
input2,
input3
};
var files = Directory.GetFiles(Directory.GetCurrentDirectory(), "Discount.json", SearchOption.AllDirectories);
if (files == null || files.Length == 0)
{
throw new Exception("Rules not found.");
}
var fileData = File.ReadAllText(files[0]);
var workflowRules = JsonConvert.DeserializeObject <List <WorkflowRules> >(fileData);
var bre = new RulesEngine.RulesEngine(workflowRules.ToArray(), null);
string discountOffered = "No discount offered.";
List <RuleResultTree> resultList = bre.ExecuteRule("Discount", inputs);
resultList.OnSuccess((eventName) =>
{
discountOffered = $"Discount offered is {eventName} % over MRP.";
});
resultList.OnFail(() =>
{
discountOffered = "The user is not eligible for any discount.";
});
Console.WriteLine(discountOffered);
}
public async Task <List <RuleResultTree> > Excute(FlowExcuteEntity Input)
{
var mainRules = new Workflow
{
WorkflowName = Input.Task.id,
};
foreach (var item in Input.Task.outgoing)
{
item.Rule.Operator = item.id;
}
mainRules.Rules = Input.Task.outgoing.Select(c => c.Rule).ToList();
var bre = new RulesEngine.RulesEngine(new[] { mainRules }, null);
return(await bre.ExecuteAllRulesAsync(Input.Task.id, Input.Params));
}
public override async Task <AutoAllocateResponse> ExecuteAsync(AutoAllocateRequest request, CancellationToken cancellationToken)
{
var basicInfo = "{\"name\": \"hello\",\"email\": \"[email protected]\",\"creditHistory\": \"good\",\"country\": \"canada\",\"loyalityFactor\": 3,\"totalPurchasesToDate\": 10000}";
var orderInfo = "{\"totalOrders\": 5,\"recurringItems\": 2}";
var telemetryInfo = "{\"noOfVisitsPerMonth\": 10,\"percentageOfBuyingToVisit\": 15}";
var converter = new ExpandoObjectConverter();
dynamic input1 = JsonConvert.DeserializeObject <ExpandoObject>(basicInfo, converter);
dynamic input2 = JsonConvert.DeserializeObject <ExpandoObject>(orderInfo, converter);
dynamic input3 = JsonConvert.DeserializeObject <ExpandoObject>(telemetryInfo, converter);
var inputs = new dynamic[]
{
input1,
input2,
input3
};
var workflowRules = JsonConvert.DeserializeObject <List <WorkflowRules> >(await GetRulesAsync());
var reSettingsWithCustomTypes = new ReSettings {
CustomTypes = new [] { typeof(Utils) }
};
var bre = new RulesEngine.RulesEngine(workflowRules.ToArray(), null, reSettingsWithCustomTypes);
string discountOffered = "No discount offered.";
List <RuleResultTree> resultList = await bre.ExecuteAllRulesAsync("Discount", inputs);
resultList.OnSuccess((eventName) => {
discountOffered = $"Discount offered is {eventName} % over MRP.";
var bbb = resultList.ToArray();
});
resultList.OnFail(() => {
discountOffered = "The user is not eligible for any discount.";
});
return(new AutoAllocateResponse {
Result = discountOffered
});
}
public REBenchmark()
{
var files = Directory.GetFiles(Directory.GetCurrentDirectory(), "NestedInputDemo.json", SearchOption.AllDirectories);
if (files == null || files.Length == 0)
{
throw new Exception("Rules not found.");
}
var fileData = File.ReadAllText(files[0]);
workflows = JsonConvert.DeserializeObject <List <WorkflowRules> >(fileData);
rulesEngine = new RulesEngine.RulesEngine(workflows.ToArray(), null, new ReSettings {
EnableFormattedErrorMessage = false,
EnableLocalParams = false
});
ruleInput = new
{
SimpleProp = "simpleProp",
NestedProp = new
{
SimpleProp = "nestedSimpleProp",
ListProp = new List <ListItem>
{
new ListItem
{
Id = 1,
Value = "first"
},
new ListItem
{
Id = 2,
Value = "second"
}
}
}
};
}
public async Task Can_Get_Rules()
{
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
List <Workflow>?workflow = JsonConvert.DeserializeObject <List <Workflow> >(GetFileText());
RulesEngine.RulesEngine bre = new RulesEngine.RulesEngine(workflow.ToArray());
var rp1 = new RuleParameter("todayInfo", new WeatherInfo("Klart vejr", 25));
var rp2 = new RuleParameter("yesterdayInfo", new WeatherInfo("Regn", 10));
var location = "Kolding";
RuleResultTree?result = (await bre.ExecuteAllRulesAsync("WeatherForecast", rp1, rp2)).FirstOrDefault(r => r.IsSuccess);
if (result != null && result.Rule.SuccessEvent != null)
{
var text = string.Format(result.Rule.SuccessEvent, location, "0");
Assert.NotNull(text);
}
}
static async Task Main(string[] args)
{
//定义规则
var rulesStr = @"[{
""WorkflowName"": ""UserInputWorkflow"",
""Rules"": [
{
""RuleName"": ""CheckNestedSimpleProp"",
""ErrorMessage"": ""年龄必须小于18岁."",
""ErrorType"": ""Error"",
""RuleExpressionType"": ""LambdaExpression"",
""Expression"": ""IdNo.GetAgeByIdCard() < 18""
},
{
""RuleName"": ""CheckNestedSimpleProp1"",
""ErrorMessage"": ""身份证号不可以为空."",
""ErrorType"": ""Error"",
""RuleExpressionType"": ""LambdaExpression"",
""Expression"": ""IdNo != null""
}
]
}] ";
//规则JSON架构
//RuleName规则名称
//Properties 规则属性，获取或设置规则的自定义属性或标记。
//Operator 操作符
//ErrorMessage 错误消息
//Enabled 获取和设置规则是否已启用
//RuleExpressionType 默认RuleExpressionType.LambdaExpression
//WorkflowRulesToInject 注入工作规则
//Rules 规则
//LocalParams
//Expression 表达树
//Actions
//SuccessEvent 完成事件，默认为规则名称
var userInput = new UserInput
{
IdNo = "11010519491230002X",
Age = 18
};
//反序列化Json格式规则字符串
var workflowRules = JsonConvert.DeserializeObject <List <WorkflowRules> >(rulesStr);
var rulesEngine = new RulesEngine.RulesEngine(workflowRules.ToArray(), null, reSettings: reSettings);
List <RuleResultTree> resultList = await rulesEngine.ExecuteAllRulesAsync("UserInputWorkflow", userInput);
//foreach (var item in resultList)
//{
// //{ "Rule":{ "RuleName":"CheckNestedSimpleProp","Properties":null,"Operator":null,"ErrorMessage":"年龄必须大于18岁.",
// //"ErrorType":"Error","RuleExpressionType":"LambdaExpression","WorkflowRulesToInject":null,"Rules":null,"LocalParams":null,"Expression":"Age > 18","Actions":null,"SuccessEvent":null},"IsSuccess":false,"ChildResults":null,"Inputs":{ "input1":{ "IdNo":null,"Age":18} },
// //"ActionResult":{ "Output":null,"Exception":null},"ExceptionMessage":"年龄必须大于18岁.","RuleEvaluatedParams":[]}
// Console.WriteLine("验证成功：{0}，消息：{1}", item.IsSuccess, item.ExceptionMessage);
//}
var discountOffered = "";
resultList.OnSuccess((eventName) =>
{
discountOffered = $"成功事件:{eventName}.";
});
resultList.OnFail(() =>
{
discountOffered = "失败事件.";
});
Console.WriteLine(discountOffered);
Console.ReadLine();
}
public RulesEngineBasedProcessor(WorkflowRules[] workflows)
{
mWorkflows = workflows;
mRulesEngine = new RulesEngine.RulesEngine(mWorkflows, null);
}
