//用户获取用户列表
string[] IScriptParser.EvaluateUsers(string script, Statements.DataFieldExtension extension)
{
var result = this.Evaluate <object>(this.PrepareScriptEngine(extension), script);
if (this._log.IsDebugEnabled)
{
this._log.DebugFormat("执行人规则“{0}”解析结果={1}", script, result);
}
if (result is Jurassic.Library.ArrayInstance)
{
return((result as Jurassic.Library.ArrayInstance).ElementValues.Select(o => o.ToString()).ToArray());
}
if (result.GetType() != typeof(string))
{
throw new InvalidOperationException(string.Format("脚本“{0}”解析后返回了目前不支持的类型{1}", script, result));
}
var jsonUser = result.ToString();
if (string.IsNullOrEmpty(jsonUser))
{
return(null);
}
//TODO:需要合理反序列化
return(jsonUser.StartsWith("[")
? this._serializer.JsonDeserialize <string[]>(jsonUser)
: (jsonUser.StartsWith("\"") ? new string[] { this._serializer.JsonDeserialize <string>(jsonUser) } : new string[] { jsonUser }));
}
private Jurassic.ScriptEngine PrepareScriptEngine(Statements.DataFieldExtension extension)
{
var engine = new Jurassic.ScriptEngine();
//注册方法列表
this._invoker.GetMethods().ToList().ForEach(o =>
engine.SetGlobalFunction(o.Key
, new Func <object, object, object, object
//, object, object, object, object, object
, string>(
(v1, v2, v3, v4) =>
//, v5, v6, v7, v8, v9) =>
this.Invoke(o.Key, v1, v2, v3, v4))));
//, v5, v6, v7, v8, v9))));
//注册内置方法 会覆盖上述方法
engine.SetGlobalFunction("updateDataField", new Action <string, string>((k, v) => extension.Set(k, v)));
engine.SetGlobalFunction("split"
, new Func <string, string, Jurassic.Library.ArrayInstance>((s, i) =>
engine.Array.Call((i ?? "").Split(new string[] { s }, StringSplitOptions.RemoveEmptyEntries))));
//注册依赖上下文的内置方法 会覆盖上述方法
engine.SetGlobalFunction("getSuperior", new Func <string>(() => this._userHelper.GetSuperior(extension.Originator)));
//注册流程变量
foreach (var pair in extension.DataFields)
{
engine.SetGlobalValue(pair.Key, pair.Value ?? "");
}
//注册内置上下文变量 会覆盖上述流程变量
engine.SetGlobalValue(WorkflowBuilder.Variable_Originator, extension.Originator);
return(engine);
}
//用于执行普通脚本
string IScriptParser.Evaluate(string script, Statements.DataFieldExtension extension)
{
var result = this.Evaluate <string>(this.PrepareScriptEngine(extension), script);
if (this._log.IsDebugEnabled)
{
this._log.DebugFormat("脚本“{0}”解析结果={1}", script, result);
}
//特化处理forward函数的返回值
if (script.StartsWith("forward("))
{
return(result);
}
try
{
//由于脚本都是通过NSF调用外部服务，返回的字符串均是json结果，需要反序列化
return(!string.IsNullOrEmpty(result) && result != "undefined"
? this._serializer.JsonDeserialize <string>(result)
: string.Empty);
}
catch (Exception e)
{
if (this._log.IsDebugEnabled)
{
this._log.Debug("反序列字符串异常，直接返回原始文本：" + result, e);
}
return(result);
}
}
public void ScriptMethodTest()
{
var p = DependencyResolver.Resolve <IScriptParser>();
var e = new Statements.DataFieldExtension(@"taobao-hz\houkun", 0, new Dictionary <string, string>()
{
{ "key", "1" }
});
this.TraceArray(p.EvaluateUsers("getSuperior()", e));
this.TraceArray(p.EvaluateUsers("getSuperiors(originator,1,0)", e));
this.TraceArray(p.EvaluateUsers("getSuperiorsInRole(originator,1,'BI_Manager')", e));
this.TraceArray(p.EvaluateUsers("getUpperSuperior(originator,2,0)", e));
this.TraceArray(p.EvaluateUsers(string.Format("getUsers('BI_Manager',originator,'{0}')", Guid.NewGuid()), e));
//updateDataField
Trace.WriteLine(p.Evaluate("updateDataField('key','2')", e));
Assert.AreEqual("2", e.DataFields["key"]);
//split
var ary = p.EvaluateUsers("split(';','f1;f2,;f3,')", e);
Assert.AreEqual(3, ary.Length);
Assert.AreEqual("f1", ary[0]);
Assert.AreEqual("f3,", ary[2]);
Trace.WriteLine(p.Evaluate("getSuperior()", e));
Trace.WriteLine(p.Evaluate("forward('JustTest1','{i:1}','{i:2}')", e));
}
//用于执行完成规则脚本
bool IScriptParser.EvaluateRule(string script, Statements.DataFieldExtension extension)
{
return(this.Evaluate <bool>(this.PrepareScriptEngine(extension), script));
}
public void ScriptMethodTest()
{
var p = DependencyResolver.Resolve<IScriptParser>();
var e = new Statements.DataFieldExtension(@"taobao-hz\houkun", 0, new Dictionary<string, string>() { { "key", "1" } });
this.TraceArray(p.EvaluateUsers("getSuperior()", e));
this.TraceArray(p.EvaluateUsers("getSuperiors(originator,1,0)", e));
this.TraceArray(p.EvaluateUsers("getSuperiorsInRole(originator,1,'BI_Manager')", e));
this.TraceArray(p.EvaluateUsers("getUpperSuperior(originator,2,0)", e));
this.TraceArray(p.EvaluateUsers(string.Format("getUsers('BI_Manager',originator,'{0}')", Guid.NewGuid()), e));
//updateDataField
Trace.WriteLine(p.Evaluate("updateDataField('key','2')", e));
Assert.AreEqual("2", e.DataFields["key"]);
//split
var ary = p.EvaluateUsers("split(';','f1;f2,;f3,')", e);
Assert.AreEqual(3, ary.Length);
Assert.AreEqual("f1", ary[0]);
Assert.AreEqual("f3,", ary[2]);
Trace.WriteLine(p.Evaluate("getSuperior()", e));
Trace.WriteLine(p.Evaluate("forward('JustTest1','{i:1}','{i:2}')", e));
}