Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / System.Runtime.DurableInstancing / System / Runtime / DurableInstancing / InstanceKeyView.cs / 1305376 / InstanceKeyView.cs
//---------------------------------------------------------------- // Copyright (c) Microsoft Corporation. All rights reserved. //--------------------------------------------------------------- namespace System.Runtime.DurableInstancing { using System; using System.Collections.Generic; using System.Runtime; using System.Xml.Linq; [Fx.Tag.XamlVisible(false)] public sealed class InstanceKeyView { static readonly ReadOnlyDictionaryemptyProperties = new ReadOnlyDictionary (new Dictionary (0), false); IDictionary metadata; Dictionary accumulatedMetadataWrites; internal InstanceKeyView(Guid key) { InstanceKey = key; InstanceKeyMetadataConsistency = InstanceValueConsistency.InDoubt | InstanceValueConsistency.Partial; } InstanceKeyView(InstanceKeyView source) { InstanceKey = source.InstanceKey; InstanceKeyState = source.InstanceKeyState; InstanceKeyMetadata = source.InstanceKeyMetadata; InstanceKeyMetadataConsistency = source.InstanceKeyMetadataConsistency; } public Guid InstanceKey { get; private set; } public InstanceKeyState InstanceKeyState { get; internal set; } public InstanceValueConsistency InstanceKeyMetadataConsistency { get; internal set; } public IDictionary InstanceKeyMetadata { get { IDictionary pendingWrites = this.accumulatedMetadataWrites; this.accumulatedMetadataWrites = null; this.metadata = pendingWrites.ReadOnlyMergeInto(this.metadata ?? InstanceKeyView.emptyProperties, true); return this.metadata; } internal set { this.accumulatedMetadataWrites = null; this.metadata = value; } } internal Dictionary AccumulatedMetadataWrites { get { if (this.accumulatedMetadataWrites == null) { this.accumulatedMetadataWrites = new Dictionary (); } return this.accumulatedMetadataWrites; } } internal InstanceKeyView Clone() { return new InstanceKeyView(this); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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