Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Workflow.Activities/Rules/RuleSetCollection.cs

@@ -0,0 +1,165 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Globalization;
+using System.Text;
+using System.Workflow.ComponentModel;
+
+namespace System.Workflow.Activities.Rules
+{
+    #region class RuleSetCollection
+
+    public sealed class RuleSetCollection : KeyedCollection<string, RuleSet>, IWorkflowChangeDiff
+    {
+        #region members and constructors
+
+        private bool _runtimeInitialized;
+        [NonSerialized]
+        private object syncLock = new object();
+
+        public RuleSetCollection()
+        {
+        }
+
+        #endregion
+
+        #region keyed collection members
+
+        protected override string GetKeyForItem(RuleSet item)
+        {
+            return item.Name;
+        }
+
+        protected override void InsertItem(int index, RuleSet item)
+        {
+            if (this._runtimeInitialized)
+                throw new InvalidOperationException(SR.GetString(SR.Error_CanNotChangeAtRuntime));
+
+            if (item.Name != null && item.Name.Length >= 0 && this.Contains(item.Name))
+            {
+                string message = string.Format(CultureInfo.CurrentCulture, Messages.RuleSetExists, item.Name);
+                throw new ArgumentException(message);
+            }
+
+            base.InsertItem(index, item);
+        }
+
+        protected override void RemoveItem(int index)
+        {
+            if (this._runtimeInitialized)
+                throw new InvalidOperationException(SR.GetString(SR.Error_CanNotChangeAtRuntime));
+
+            base.RemoveItem(index);
+        }
+
+        protected override void SetItem(int index, RuleSet item)
+        {
+            if (this._runtimeInitialized)
+                throw new InvalidOperationException(SR.GetString(SR.Error_CanNotChangeAtRuntime));
+
+            base.SetItem(index, item);
+        }
+
+        new public void Add(RuleSet item)
+        {
+            if (this._runtimeInitialized)
+                throw new InvalidOperationException(SR.GetString(SR.Error_CanNotChangeAtRuntime));
+
+            if (null == item)
+            {
+                throw new ArgumentNullException("item");
+            }
+
+            if (null == item.Name)
+            {
+                string message = string.Format(CultureInfo.CurrentCulture, Messages.InvalidRuleSetName, "item.Name");
+                throw new ArgumentException(message);
+            }
+
+            base.Add(item);
+        }
+
+        #endregion
+
+        #region runtime initializing
+
+        internal void OnRuntimeInitialized()
+        {
+            lock (this.syncLock)
+            {
+                if (this._runtimeInitialized)
+                    return;
+
+                foreach (RuleSet ruleSet in this)
+                {
+                    ruleSet.OnRuntimeInitialized();
+                }
+                _runtimeInitialized = true;
+            }
+        }
+
+        internal bool RuntimeMode
+        {
+            set { this._runtimeInitialized = value; }
+            get { return this._runtimeInitialized; }
+        }
+
+        internal string GenerateRuleSetName()
+        {
+            string nameBase = Messages.NewRuleSetName;
+            string newName;
+            int i = 1;
+            do
+            {
+                newName = nameBase + i.ToString(CultureInfo.InvariantCulture);
+                i++;
+            } while (this.Contains(newName));
+
+            return newName;
+        }
+
+        #endregion
+
+        #region IWorkflowChangeDiff Members
+
+        public IList<WorkflowChangeAction> Diff(object originalDefinition, object changedDefinition)
+        {
+            List<WorkflowChangeAction> listChanges = new List<WorkflowChangeAction>();
+
+            RuleSetCollection originalRuleSets = (RuleSetCollection)originalDefinition;
+            RuleSetCollection changedRuleSets = (RuleSetCollection)changedDefinition;
+
+            if (null != changedRuleSets)
+            {
+                foreach (RuleSet changedRuleSet in changedRuleSets)
+                {
+                    if ((originalRuleSets != null) && (originalRuleSets.Contains(changedRuleSet.Name)))
+                    {
+                        RuleSet originalRuleSet = originalRuleSets[changedRuleSet.Name];
+                        if (!originalRuleSet.Equals(changedRuleSet))
+                        {
+                            listChanges.Add(new UpdatedRuleSetAction(originalRuleSet, changedRuleSet));
+                        }
+                    }
+                    else
+                    {
+                        listChanges.Add(new AddedRuleSetAction(changedRuleSet));
+                    }
+                }
+            }
+            if (null != originalRuleSets)
+            {
+                foreach (RuleSet originalRuleSet in originalRuleSets)
+                {
+                    if ((changedRuleSets == null) || (!changedRuleSets.Contains(originalRuleSet.Name)))
+                    {
+                        listChanges.Add(new RemovedRuleSetAction(originalRuleSet));
+                    }
+                }
+            }
+            return listChanges;
+        }
+        #endregion
+    }
+    #endregion
+}