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// ---------------------------------------------------------------------------
// 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<RuleState> 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);
}
}
}
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