82 lines
2.1 KiB
C#
82 lines
2.1 KiB
C#
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//----------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//----------------------------------------------------------------
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namespace System.Runtime.DurableInstancing
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{
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using System.Diagnostics.CodeAnalysis;
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using System.Runtime;
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using System.Runtime.Serialization;
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[Fx.Tag.XamlVisible(false)]
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[DataContract]
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public sealed class InstanceValue
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{
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readonly static InstanceValue deletedValue = new InstanceValue();
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public InstanceValue(object value)
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: this(value, InstanceValueOptions.None)
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{
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}
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public InstanceValue(object value, InstanceValueOptions options)
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{
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Value = value;
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Options = options;
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}
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InstanceValue()
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{
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Value = this;
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}
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public object Value { get; private set; }
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public InstanceValueOptions Options { get; private set; }
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public bool IsDeletedValue
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{
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get
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{
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return object.ReferenceEquals(this, InstanceValue.DeletedValue);
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}
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}
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public static InstanceValue DeletedValue
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{
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get
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{
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return InstanceValue.deletedValue;
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}
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}
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[DataMember(Name = "Value", EmitDefaultValue = false)]
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[SuppressMessage(FxCop.Category.Performance, FxCop.Rule.AvoidUncalledPrivateCode, Justification = "Called from Serialization")]
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internal object SerializedValue
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{
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get
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{
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return this.Value;
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}
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set
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{
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this.Value = value;
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}
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}
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[DataMember(Name = "Options", EmitDefaultValue = false)]
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[SuppressMessage(FxCop.Category.Performance, FxCop.Rule.AvoidUncalledPrivateCode, Justification = "Called from Serialization")]
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internal InstanceValueOptions SerializedOptions
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{
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get
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{
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return this.Options;
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}
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set
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{
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this.Options = value;
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}
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}
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}
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}
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