public void XBusinessRulesStreamDriver()
{
FileStream fs = new FileStream(testFile, FileMode.Open, FileAccess.Read);
breTest = new BREFactoryConsole(0, 0).NewBRE(new XBusinessRulesStreamDriver(fs));
Assert.IsNotNull(breTest, "XBRE Stream System");
}
public void NegativeResolutions()
{
IFlowEngine transientFlowEngine = (IFlowEngine)flowEngine.Clone();
transientFlowEngine.RuleContext.SetObject("TotalIncome", 11000.0);
transientFlowEngine.RuleContext.SetObject("MonthlyInstallments", 5500.0);
transientFlowEngine.RuleContext.SetObject("AgeOfApplicant", 27);
transientFlowEngine.RuleContext.SetObject("IsCebEmployee", true);
transientFlowEngine.RuleContext.SetObject("ApplicantIsWorking", true);
transientFlowEngine.RuleContext.SetObject("TimeAtCurrentJob", 13);
transientFlowEngine.RuleContext.SetObject("CitizenshipOfApplicant", "French");
Assert.IsNull(backwardChainer.Resolve("ApproveCarLoan"));
transientFlowEngine = (IFlowEngine)flowEngine.Clone();
transientFlowEngine.RuleContext.SetObject("TotalIncome", 11000.0);
transientFlowEngine.RuleContext.SetObject("MonthlyInstallments", 5500.0);
transientFlowEngine.RuleContext.SetObject("AgeOfApplicant", 27);
transientFlowEngine.RuleContext.SetObject("IsCebEmployee", true);
transientFlowEngine.RuleContext.SetObject("ApplicantIsWorking", true);
transientFlowEngine.RuleContext.SetObject("TimeAtCurrentJob", 10);
transientFlowEngine.RuleContext.SetObject("CitizenshipOfApplicant", "Dutch");
Assert.IsNull(backwardChainer.Resolve("ApproveCarLoan"));
transientFlowEngine = (IFlowEngine)flowEngine.Clone();
transientFlowEngine.RuleContext.SetObject("TotalIncome", 11000.0);
transientFlowEngine.RuleContext.SetObject("MonthlyInstallments", 5500.0);
transientFlowEngine.RuleContext.SetObject("AgeOfApplicant", 27);
transientFlowEngine.RuleContext.SetObject("IsCebEmployee", false);
transientFlowEngine.RuleContext.SetObject("ApplicantIsWorking", true);
transientFlowEngine.RuleContext.SetObject("TimeAtCurrentJob", 15);
transientFlowEngine.RuleContext.SetObject("CitizenshipOfApplicant", "Dutch");
Assert.IsNull(backwardChainer.Resolve("ApproveCarLoan"));
}
public bool ProcessRule(string ruleName, Dictionary <string, object> contextObjects, out IBRERuleResult ruleResult)
{
ruleResult = null;
bool processed = false;
if (myRules.ContainsKey(ruleName))
{
string rulePath = Path.Combine(this.sourceDir.FullName, myRules[ruleName].RuleFile);
XBusinessRulesFileDriver driver = new XBusinessRulesFileDriver(rulePath);
IFlowEngine flowEngine = theEngineFactory.NewBRE(driver);
flowEngine.ResultHandlers += new DispatchRuleResult(flowEngine_ResultHandlers);
foreach (string ruleKey in contextObjects.Keys)
{
flowEngine.RuleContext.SetObject(ruleKey, contextObjects[ruleKey]);
}
this.ruleResult = null;
processed = flowEngine.Process();
ruleResult = this.ruleResult;
}
return(processed);
}
public void XBusinessRulesStringDriver()
{
string xmlRules = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
"<xBusinessRules xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:noNamespaceSchemaLocation=\"http://nxbre.org/xBusinessRules.xsd\">" +
"<Logic>" +
" <If>" +
" <And>"+
" <GreaterThanEqualTo leftId=\"Incrementor\" rightId=\"MaxAttempts\">"+
" <Evaluate id=\"Incrementor\"/>"+
" <Integer id=\"MaxAttempts\" value=\"3\"/>"+
" </GreaterThanEqualTo>"+
" </And>"+
" <Do>"+
" <False id=\"LoginResult\"/>"+
" </Do>"+
" </If>" +
" <Else>" +
" <Evaluate id=\"Incrementor\">"+
" <Parameter name=\"Increment\" value=\"1\"/>"+
" </Evaluate>"+
" </Else>" +
"</Logic>" +
"</xBusinessRules>";
breTest = new BREFactoryConsole(0, 0).NewBRE(new XBusinessRulesStringDriver(xmlRules));
Assert.IsNotNull(breTest, "XBRE String");
}
private void NewWorkingBRE()
{
if (prepared_bre == null)
{
PrepareBRE();
}
working_bre = (IFlowEngine)prepared_bre.Clone();
}
public BackwardChainer(IFlowEngine flowEngine)
{
this.flowEngine = flowEngine;
this.setIdsFromTargetObjectId = new Dictionary <string, IList <string> >();
this.sourceObjectIdsFromSetId = new Dictionary <string, IList <string> >();
ValidateXmlDocumentRules();
}
public BackwardChainer(IFlowEngine flowEngine)
{
this.flowEngine = flowEngine;
this.setIdsFromTargetObjectId = new Dictionary<string, IList<string>>();
this.sourceObjectIdsFromSetId = new Dictionary<string, IList<string>>();
ValidateXmlDocumentRules();
}
public void InvalidRuleBase()
{
Assert.Throws <BREException>(() => {
flowEngine = new BREImpl();
flowEngine.Init(
new XBusinessRulesFileDriver(Parameter.GetString("unittest.inputfile")));
backwardChainer = new BackwardChainer(flowEngine);
});
}
private void Init(IRulesDriver driver)
{
bre = new BREFactory(new DispatchException(HandleExceptionEvent)).NewBRE(driver);
prepared_bre = null;
if (bre == null)
{
throw new BREException("The initialization of the Flow Engine Binder failed.");
}
}
public void CircularityDetection()
{
flowEngine = new BREImpl();
flowEngine.Init(new XBusinessRulesFileDriver(ruleFilesFolder + "/circularity.xbre"));
backwardChainer = new BackwardChainer(flowEngine);
Stack<string> resolutionPath = new Stack<string>();
Assert.IsNull(backwardChainer.Resolve("A", resolutionPath));
Assert.IsTrue(resolutionPath.Contains("{Circularity}"));
}
public void TestCancelWhile()
{
IFlowEngine flowEngine = NewEngine();
flowEngine.RuleContext.SetObject("FlowEngine", flowEngine);
flowEngine.Process("CANCEL-WHILE");
// random test an object in the context
Assert.AreEqual(10, flowEngine.RuleContext.GetObject("10i"));
}
public void CircularityDetection()
{
flowEngine = new BREImpl();
flowEngine.Init(new XBusinessRulesFileDriver(ruleFilesFolder + "/circularity.xbre"));
backwardChainer = new BackwardChainer(flowEngine);
Stack <string> resolutionPath = new Stack <string>();
Assert.IsNull(backwardChainer.Resolve("A", resolutionPath));
Assert.IsTrue(resolutionPath.Contains("{Circularity}"));
}
public CalculateDiscount(Basket basket)
{
_flowEngine = new BREFactoryConsole(SourceLevels.Error, SourceLevels.All).NewBRE(new XBusinessRulesFileDriver(AXmlFile));
if (_flowEngine == null)
{
throw new Exception("BRE Not Properly Initialized!");
}
_flowEngine.RuleContext.SetObject("currentBasket", basket);
_flowEngine.RuleContext.SetObject("currentCustomer", basket.Customer);
_flowEngine.RuleContext.SetFactory("AddRule", new BRERuleFactory(AddRule));
}
private void PrepareBRE()
{
prepared_bre = (IFlowEngine)bre.Clone();
if (businessObjectsMap != null)
{
foreach (object key in BusinessObjects.Keys)
{
prepared_bre.RuleContext.SetObject(key, BusinessObjects[key]);
}
}
}
public ShopFactory()
{
var aXMLFile = "ShopRule.xbre";
flowEngine = new BREFactoryConsole(SourceLevels.ActivityTracing, SourceLevels.Warning).NewBRE(new XBusinessRulesFileDriver(aXMLFile));
if (flowEngine == null)
{
throw new System.Exception("BRE Not Properly Initialized!");
}
flowEngine.RuleContext.SetFactory("SetShop", new BRERuleFactory(SetShop));
}
public IFlowEngine NewBRE()
{
if (bref == null)
throw new BREException("BRECloneFactory is not correctly initialized.");
if (bre == null)
bre = bref.NewBRE(rulesDriver);
if (bre == null)
throw new BREException("BRECloneFactory could not instantiate an valid IBRE implementation.");
return (IFlowEngine)bre.Clone();
}
public CalculateTotal(string aXMLFile, SourceLevels engineTraceLevel, SourceLevels ruleBaseTraceLevel)
{
bre = new BREFactoryConsole(engineTraceLevel, ruleBaseTraceLevel).NewBRE(new XBusinessRulesFileDriver(aXMLFile));
if (bre == null) throw new System.Exception("BRE Not Properly Initialized!");
bre.RuleContext.SetFactory(APPLIED_DISCOUNT,
new BRERuleFactory(new ExecuteRuleDelegate(AppliedDiscount)));
// example on how to export native rules file
FileStream fs = new FileStream("discount.bre", FileMode.Create);
Xml.IdentityXSLT.Transform(bre.XmlDocumentRules, null, fs);
fs.Flush();
fs.Close();
}
private void Init(IRulesDriver driver)
{
// listen to events from Flow Engine and Flow Engine Rule Base
TraceListener tl = new FEBErrorListener();
Logger.FlowEngineSource.Listeners.Add(tl);
Logger.FlowEngineRuleBaseSource.Listeners.Add(tl);
// instantiate the rule engine
bre = new BREFactory().NewBRE(driver);
prepared_bre = null;
if (bre == null)
{
throw new BREException("The initialization of the Flow Engine Binder failed.");
}
}
public CalculateTotal(string aXMLFile, SourceLevels engineTraceLevel, SourceLevels ruleBaseTraceLevel)
{
bre = new BREFactoryConsole(engineTraceLevel, ruleBaseTraceLevel).NewBRE(new XBusinessRulesFileDriver(aXMLFile));
if (bre == null)
{
throw new System.Exception("BRE Not Properly Initialized!");
}
bre.RuleContext.SetFactory(APPLIED_DISCOUNT,
new BRERuleFactory(new ExecuteRuleDelegate(AppliedDiscount)));
// example on how to export native rules file
FileStream fs = new FileStream("discount.bre", FileMode.Create);
Xml.IdentityXSLT.Transform(bre.XmlDocumentRules, null, fs);
fs.Flush();
fs.Close();
}
public IFlowEngine NewBRE()
{
if (bref == null)
{
throw new BREException("BRECloneFactory is not correctly initialized.");
}
if (bre == null)
{
bre = bref.NewBRE(rulesDriver);
}
if (bre == null)
{
throw new BREException("BRECloneFactory could not instantiate an valid IBRE implementation.");
}
return((IFlowEngine)bre.Clone());
}
public void XSLTRulesFileDriver_XSLTObject()
{
breTest = new BREFactoryConsole(0, 0).NewBRE(new XSLTRulesFileDriver(testNative, Misc.IdentityXSLT));
Assert.IsNotNull(breTest, "XslTransform Object");
}
public void BusinessRulesFileDriver()
{
breTest = new BREFactoryConsole(0, 0).NewBRE(new BusinessRulesFileDriver(testNative));
Assert.IsNotNull(breTest, "File System");
}
public void ResetBRE()
{
breTest = null;
}
public void InitTest()
{
testFile = Parameter.GetString("unittest.inputfile");
// I could have used BREFactory or BREFactoryConsole but I just wanted
// to show what's behind the scenes and how it is possible to register
// many handler for each event.
bre = new BREImpl();
// Force all Flow Engine traces to be active
Logger.FlowEngineSource.Switch.Level = SourceLevels.All;
Logger.FlowEngineRuleBaseSource.Switch.Level = SourceLevels.All;
Logger.RefreshBooleanSwitches();
// Lets register the handlers...
ptl = new ProbeTraceListener();
Logger.FlowEngineSource.Listeners.Add(ptl);
Logger.FlowEngineRuleBaseSource.Listeners.Add(ptl);
resultCount = 0;
bre.ResultHandlers += new DispatchRuleResult(HandleBRERuleResult);
// Reset the other counters
globalCount = 0;
if (bre.Init(new XBusinessRulesFileDriver(testFile)))
{
// This loads-up rules in the rule context that will be evaluated
bre.RuleContext.SetFactory("50i",
new BRERuleFactory(new ExecuteRuleDelegate(ContextlessDelegate)));
bre.RuleContext.SetFactory("WhileCounter",
new BRERuleFactory(new ExecuteRuleDelegate(WhileCounter)));
bre.RuleContext.SetFactory("GlobalCounter",
new BRERuleFactory(new ExecuteRuleDelegate(GlobalCounter)));
bre.RuleContext.SetFactory("GetEnumerable",
new BRERuleFactory(new ExecuteRuleDelegate(GetEnumerable)));
bre.RuleContext.SetFactory("ForEachTester",
new BRERuleFactory(new ExecuteRuleDelegate(ForEachTester)));
// This alternate syntax is based on reflection thus carries performance issues
// and prevents compile time checking.
// It can be usefull to establish bindings on the fly.
bre.RuleContext.SetFactory("mulBy5i",
new BRERuleFactory(this, "ContextfullDelegate"));
// Add a custom operator to the context
bre.RuleContext.SetOperator("StringContains", new StringContainsOperator());
// This first process should only load-up some values, that we quickly reset.
// The objective is to test that processing with no parameter works.
bre.Process();
bre.Reset();
// We also want to ensure that cloning is harmless!
bre = (IFlowEngine)bre.Clone();
// Let's add test objects
to = new TestObject(true, 10, "hello");
bre.RuleContext.SetObject("TestObject", to);
ht = new Hashtable();
ht.Add("one", "first");
ht.Add("two", "second");
ht.Add("three", "third");
bre.RuleContext.SetObject("TestHashtable", ht);
TestDataSet.Table1DataTable dt = new TestDataSet.Table1DataTable();
row = dt.NewTable1Row();
row.col1 = "foo";
row.col2 = 2004;
bre.RuleContext.SetObject("TestRowSet", row);
bre.RuleContext.SetObject("ReferenceAssertVersion", new Version());
// this processes all global rules and the rules in the set named "Workingset"
whileCount = 0;
forEachProbe = 0;
forEachError = "";
bre.Process("WORKINGSET");
}
}
public void ResetBRE()
{
breTest = null;
}
public void InitTest()
{
testFile = Parameter.GetString("unittest.inputfile");
try {
// I could have used BREFactory or BREFactoryConsole but I just wanted
// to show what's behind the scenes and how it is possible to register
// many handler for each event.
bre = new BREImpl();
// Lets register the handlers...
logCount = 0;
foundDynamicLog = false;
bre.LogHandlers += new DispatchLog(handleLogEvent);
foundDynamicException = false;
exceptionCount = 0;
bre.ExceptionHandlers += new DispatchException(handleExceptionEvent);
resultCount = 0;
bre.ResultHandlers += new DispatchRuleResult(handleBRERuleResult);
// Reset the other counters
globalCount = 0;
if (bre.Init(new XBusinessRulesFileDriver(testFile)))
{
// This loads-up rules in the rule context that will be evaluated
bre.RuleContext.SetFactory("50i",
new BRERuleFactory(new ExecuteRuleDelegate(ContextlessDelegate)));
bre.RuleContext.SetFactory("WhileCounter",
new BRERuleFactory(new ExecuteRuleDelegate(WhileCounter)));
bre.RuleContext.SetFactory("GlobalCounter",
new BRERuleFactory(new ExecuteRuleDelegate(GlobalCounter)));
bre.RuleContext.SetFactory("GetEnumerable",
new BRERuleFactory(new ExecuteRuleDelegate(GetEnumerable)));
bre.RuleContext.SetFactory("ForEachTester",
new BRERuleFactory(new ExecuteRuleDelegate(ForEachTester)));
// This alternate syntax is based on reflection thus carries performance issues
// and prevents compile time checking.
// It can be usefull to establish bindings on the fly.
bre.RuleContext.SetFactory("mulBy5i",
new BRERuleFactory(this, "ContextfullDelegate"));
// This first process should only load-up some values, that we quickly reset.
// The objective is to test that processing with no parameter works.
bre.Process();
bre.Reset();
// We also want to ensure that cloning is harmless!
bre = (IFlowEngine) bre.Clone();
// Let's add test objects
to = new TestObject(true, 10, "hello");
bre.RuleContext.SetObject("TestObject", to);
ht = new Hashtable();
ht.Add("one", "first");
ht.Add("two", "second");
ht.Add("three", "third");
bre.RuleContext.SetObject("TestHashtable", ht);
TestDataSet.Table1DataTable dt = new TestDataSet.Table1DataTable();
row = dt.NewTable1Row();
row.col1="foo";
row.col2=2004;
bre.RuleContext.SetObject("TestRowSet", row);
bre.RuleContext.SetObject("ReferenceAssertVersion", new Version());
// this processes all global rules and the rules in the set named "Workingset"
whileCount = 0;
forEachProbe = 0;
forEachError = "";
bre.Process("WORKINGSET");
}
} catch (Exception e) {
Console.Error.Write(e);
Assert.Fail(e.Message);
}
}
private void Init(IRulesDriver driver)
{
// listen to events from Flow Engine and Flow Engine Rule Base
TraceListener tl = new FEBErrorListener();
Logger.FlowEngineSource.Listeners.Add(tl);
Logger.FlowEngineRuleBaseSource.Listeners.Add(tl);
// instantiate the rule engine
bre = new BREFactory().NewBRE(driver);
prepared_bre = null;
if (bre == null) throw new BREException("The initialization of the Flow Engine Binder failed.");
}
public void InitializeChainer()
{
flowEngine = new BREImpl();
flowEngine.Init(new XBusinessRulesFileDriver(ruleFilesFolder + "/car-loan-rules.xbre"));
backwardChainer = new BackwardChainer(flowEngine);
}
public Stresser(int stresserID, IFlowEngine bre, MainClass mc)
{
this.stresserID = stresserID;
this.mc = mc;
this.bre = bre;
}
public void XSLTRulesFileDriver_FS()
{
breTest = new BREFactoryConsole(0,0).NewBRE(new XSLTRulesFileDriver(testNative, identityXSL));
Assert.IsNotNull(breTest, "XSLT File System");
}
/// <summary>This is what your code would call to check the login
/// </summary>
public virtual bool CheckLogin(IFlowEngine aBRE)
{
aBRE.Process();
return(lockLogin);
}
public void XSLTRulesFileDriver_XSLTObject()
{
breTest = new BREFactoryConsole(0,0).NewBRE(new XSLTRulesFileDriver(testNative, Xml.IdentityXSLT));
Assert.IsNotNull(breTest, "XslTransform Object");
}
public void XSLTRulesFileDriver_FS()
{
breTest = new BREFactoryConsole(0, 0).NewBRE(new XSLTRulesFileDriver(testNative, identityXSL));
Assert.IsNotNull(breTest, "XSLT File System");
}
private void PrepareBRE()
{
prepared_bre = (IFlowEngine)bre.Clone();
if (businessObjectsMap != null)
foreach(object key in BusinessObjects.Keys)
prepared_bre.RuleContext.SetObject(key, BusinessObjects[key]);
}
public void XBusinessRulesFileDriver_FS()
{
breTest = new BREFactoryConsole(0, 0).NewBRE(new XBusinessRulesFileDriver(testFile));
Assert.IsNotNull(breTest, "XBRE File System");
}
private void NewWorkingBRE()
{
if (prepared_bre == null) PrepareBRE();
working_bre = (IFlowEngine)prepared_bre.Clone();
}
public void InitializeChainer()
{
flowEngine = new BREImpl();
flowEngine.Init(new XBusinessRulesFileDriver(ruleFilesFolder + "/car-loan-rules.xbre"));
backwardChainer = new BackwardChainer(flowEngine);
}
public Stresser(int stresserID, IFlowEngine bre, MainClass mc)
{
this.stresserID = stresserID;
this.mc = mc;
this.bre = bre;
}
public void XBusinessRulesFileDriver_FS()
{
breTest = new BREFactoryConsole(0,0).NewBRE(new XBusinessRulesFileDriver(testFile));
Assert.IsNotNull(breTest, "XBRE File System");
}
public void BusinessRulesFileDriver()
{
breTest = new BREFactoryConsole(0,0).NewBRE(new BusinessRulesFileDriver(testNative));
Assert.IsNotNull(breTest, "File System");
}
public void XBusinessRulesStreamDriver()
{
FileStream fs = new FileStream(testFile, FileMode.Open, FileAccess.Read);
breTest = new BREFactoryConsole(0,0).NewBRE(new XBusinessRulesStreamDriver(fs));
Assert.IsNotNull(breTest, "XBRE Stream System");
}
public void XBusinessRulesStringDriver()
{
string xmlRules = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
"<xBusinessRules xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:noNamespaceSchemaLocation=\"http://nxbre.org/xBusinessRules.xsd\">" +
"<Logic>" +
" <If>" +
" <And>" +
" <GreaterThanEqualTo leftId=\"Incrementor\" rightId=\"MaxAttempts\">" +
" <Evaluate id=\"Incrementor\"/>" +
" <Integer id=\"MaxAttempts\" value=\"3\"/>" +
" </GreaterThanEqualTo>" +
" </And>" +
" <Do>" +
" <False id=\"LoginResult\"/>" +
" </Do>" +
" </If>" +
" <Else>" +
" <Evaluate id=\"Incrementor\">" +
" <Parameter name=\"Increment\" value=\"1\"/>" +
" </Evaluate>" +
" </Else>" +
"</Logic>" +
"</xBusinessRules>";
breTest = new BREFactoryConsole(0,0).NewBRE(new XBusinessRulesStringDriver(xmlRules));
Assert.IsNotNull(breTest, "XBRE String");
}
/// <summary>This is what your code would call to check the login
/// </summary>
public virtual bool checkLogin(IFlowEngine aBRE)
{
aBRE.Process();
return lockLogin;
}
public void InvalidRuleBase()
{
flowEngine = new BREImpl();
flowEngine.Init(new XBusinessRulesFileDriver(Parameter.GetString("unittest.inputfile")));
backwardChainer = new BackwardChainer(flowEngine);
}
