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 }