RuleEngine.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Activities / Rules / RuleEngine.cs / 1305376 / RuleEngine.cs
                        

                        
                            // ---------------------------------------------------------------------------- 
// Copyright (C) 2006 Microsoft Corporation All Rights Reserved
// ---------------------------------------------------------------------------

#define CODE_ANALYSIS 
using System.Collections.Generic;
using System.Diagnostics; 
using System.Diagnostics.CodeAnalysis; 
using System.Globalization;
using System.Workflow.ComponentModel; 

namespace System.Workflow.Activities.Rules
{
 	public class RuleEngine 
	{
		private string name; 
		private RuleValidation validation; 
 		private IList analyzedRules;
 
		public RuleEngine(RuleSet ruleSet, RuleValidation validation)
 			: this(ruleSet, validation, null)
 		{
		} 

 		public RuleEngine(RuleSet ruleSet, Type objectType) 
			: this(ruleSet, new RuleValidation(objectType, null), null) 
		{
		} 

 		internal RuleEngine(RuleSet ruleSet, RuleValidation validation, ActivityExecutionContext executionContext)
		{
 			// now validate it 
            if (!ruleSet.Validate(validation))
 			{ 
				string message = string.Format(CultureInfo.CurrentCulture, Messages.RuleSetValidationFailed, ruleSet.name); 
 				throw new RuleSetValidationException(message, validation.Errors);
			} 

            this.name = ruleSet.Name;
			this.validation = validation;
			Tracer tracer = null; 
 			if (WorkflowActivityTrace.Rules.Switch.ShouldTrace(TraceEventType.Information))
                tracer = new Tracer(ruleSet.Name, executionContext); 
            this.analyzedRules = Executor.Preprocess(ruleSet.ChainingBehavior, ruleSet.Rules, validation, tracer); 
		}
 

 		[SuppressMessage("Microsoft.Naming", "CA1720:AvoidTypeNamesInParameters", MessageId = "0#")]
 		public void Execute(object thisObject, ActivityExecutionContext executionContext)
		{ 
 			Execute(new RuleExecution(validation, thisObject, executionContext));
		} 
 

		[SuppressMessage("Microsoft.Naming", "CA1720:AvoidTypeNamesInParameters", MessageId = "0#")] 
		public void Execute(object thisObject)
 		{
			Execute(new RuleExecution(validation, thisObject, null));
 		} 

 		internal void Execute(RuleExecution ruleExecution) 
		{ 
 			Tracer tracer = null;
			if (WorkflowActivityTrace.Rules.Switch.ShouldTrace(TraceEventType.Information)) 
			{
				tracer = new Tracer(name, ruleExecution.ActivityExecutionContext);
 				tracer.StartRuleSet();
			} 
 			Executor.ExecuteRuleSet(analyzedRules, ruleExecution, tracer, RuleSet.RuleSetTrackingKey + name);
 		} 
	} 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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