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namespace System.Workflow.Activities
{
using System;
using System.Text;
using System.Reflection;
using System.Collections;
using System.CodeDom;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.ComponentModel.Design.Serialization;
using System.Drawing;
using System.Workflow.ComponentModel;
using System.Workflow.ComponentModel.Design;
using System.Collections.Generic;
using System.Workflow.Activities.Rules;
using System.Workflow.Activities.Rules.Design;
using System.Workflow.Runtime;
using System.Workflow.ComponentModel.Compiler;
using System.Drawing.Design;
using System.Workflow.Activities.Common;
#region Class Policy
[SRDescription(SR.PolicyActivityDescription)]
[ToolboxBitmap(typeof(PolicyActivity), "Resources.Rule.png")]
[ToolboxItem(typeof(ActivityToolboxItem))]
[Designer(typeof(PolicyDesigner), typeof(IDesigner))]
[SRCategory(SR.Standard)]
[Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")]
public sealed class PolicyActivity : Activity
{
#region Public Dependency Properties
public static readonly DependencyProperty RuleSetReferenceProperty = DependencyProperty.Register("RuleSetReference", typeof(RuleSetReference), typeof(PolicyActivity), new PropertyMetadata(DependencyPropertyOptions.Metadata, new Attribute[] { new ValidationOptionAttribute(ValidationOption.Required) }));
#endregion
#region Constructors
public PolicyActivity()
{
}
public PolicyActivity(string name)
: base(name)
{
}
#endregion
protected override void Initialize(IServiceProvider provider)
{
// if there is no parent, then there will be no validation of RuleSetReference
// as well, there will be no RuleDefinitions
if (this.Parent == null)
throw new InvalidOperationException(SR.GetString(SR.Error_MustHaveParent));
base.Initialize(provider);
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
throw new ArgumentNullException("executionContext");
Activity declaringActivity = Helpers.GetDeclaringActivity(this);
if (declaringActivity == null)
declaringActivity = Helpers.GetRootActivity(this);
RuleDefinitions ruleDefinitions = (RuleDefinitions)declaringActivity.GetValue(RuleDefinitions.RuleDefinitionsProperty);
if (ruleDefinitions != null)
{
RuleSet ruleSet = ruleDefinitions.RuleSets[this.RuleSetReference.RuleSetName];
if (ruleSet != null)
{
ruleSet.Execute(declaringActivity, executionContext);
}
}
return ActivityExecutionStatus.Closed;
}
[SRDescription(SR.RuleSetDescription)]
[MergableProperty(false)]
public RuleSetReference RuleSetReference
{
get
{
return (RuleSetReference)base.GetValue(RuleSetReferenceProperty);
}
set
{
base.SetValue(RuleSetReferenceProperty, value);
}
}
}
#endregion
}
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