RuleDefinitions.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 / RuleDefinitions.cs / 1305376 / RuleDefinitions.cs
                        

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

#define CODE_ANALYSIS 
using System.Collections.Generic;
using System.ComponentModel; 
using System.Diagnostics.CodeAnalysis; 
using System.Workflow.ComponentModel;
 
namespace System.Workflow.Activities.Rules
{
 	#region class RuleDefinitions
 
    public sealed class RuleDefinitions : IWorkflowChangeDiff
    { 
 
        [SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]
        public static readonly DependencyProperty RuleDefinitionsProperty = DependencyProperty.RegisterAttached("RuleDefinitions", typeof(RuleDefinitions), typeof(RuleDefinitions), new PropertyMetadata(null, DependencyPropertyOptions.Metadata, new GetValueOverride(OnGetRuleConditions), null, new Attribute[] { new DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Hidden) })); 

        private RuleConditionCollection conditions;
        private RuleSetCollection ruleSets;
        private bool runtimeInitialized; 
        [NonSerialized]
        private object syncLock = new object(); 
 
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
        public RuleConditionCollection Conditions 
        {
            get
            {
                if (this.conditions == null) 
                    this.conditions = new RuleConditionCollection();
                return conditions; 
            } 
        }
 
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
        public RuleSetCollection RuleSets
        {
            get 
            {
                if (this.ruleSets == null) 
                    this.ruleSets = new RuleSetCollection(); 
                return this.ruleSets;
            } 
        }

        internal static object OnGetRuleConditions(DependencyObject dependencyObject)
        { 
            if (dependencyObject == null)
                throw new ArgumentNullException("dependencyObject"); 
 
            RuleDefinitions rules = dependencyObject.GetValueBase(RuleDefinitions.RuleDefinitionsProperty) as RuleDefinitions;
            if (rules != null) 
                return rules;

            Activity rootActivity = dependencyObject as Activity;
            if (rootActivity.Parent == null) 
            {
                rules = ConditionHelper.GetRuleDefinitionsFromManifest(rootActivity.GetType()); 
                if (rules != null) 
                    dependencyObject.SetValue(RuleDefinitions.RuleDefinitionsProperty, rules);
            } 
            return rules;
        }

        internal void OnRuntimeInitialized() 
        {
            lock (syncLock) 
            { 
                if (runtimeInitialized)
                    return; 
                Conditions.OnRuntimeInitialized();
                RuleSets.OnRuntimeInitialized();
                runtimeInitialized = true;
            } 
        }
 
        #region IWorkflowChangeDiff Members 

        public IList Diff(object originalDefinition, object changedDefinition) 
        {
            RuleDefinitions originalRules = originalDefinition as RuleDefinitions;
            RuleDefinitions changedRules = changedDefinition as RuleDefinitions;
            if ((originalRules == null) || (changedRules == null)) 
                return new List();
 
            IList cdiff = Conditions.Diff(originalRules.Conditions, changedRules.Conditions); 
            IList rdiff = RuleSets.Diff(originalRules.RuleSets, changedRules.RuleSets);
 
            // quick optimization -- if no condition changes, simply return the ruleset changes
            if (cdiff.Count == 0)
                return rdiff;
 
            // merge ruleset changes into condition changes
            for (int i = 0; i < rdiff.Count; ++i) 
            { 
                cdiff.Add(rdiff[i]);
            } 
            return cdiff;
        }
        #endregion
 
        internal RuleDefinitions Clone()
        { 
            RuleDefinitions newRuleDefinitions = new RuleDefinitions(); 

            if (this.ruleSets != null) 
            {
                newRuleDefinitions.ruleSets = new RuleSetCollection();
                foreach (RuleSet r in this.ruleSets)
                    newRuleDefinitions.ruleSets.Add(r.Clone()); 
            }
 
            if (this.conditions != null) 
            {
                newRuleDefinitions.conditions = new RuleConditionCollection(); 
                foreach (RuleCondition r in this.conditions)
                    newRuleDefinitions.conditions.Add(r.Clone());
            }
 
            return newRuleDefinitions;
        } 
    } 
	#endregion
} 

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

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