72 lines
2.2 KiB
C#
72 lines
2.2 KiB
C#
namespace System.Workflow.ComponentModel.Serialization
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{
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using System;
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using System.Xml;
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using System.Runtime.Serialization;
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using System.Reflection;
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using System.IO;
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using System.Runtime.Serialization.Formatters.Binary;
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using System.Collections;
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using System.Collections.Generic;
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#region QueueSurrogate
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internal sealed class QueueSurrogate : ISerializationSurrogate
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{
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internal QueueSurrogate() { }
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void ISerializationSurrogate.GetObjectData(object obj, SerializationInfo info, StreamingContext context)
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{
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object[] items = ((Queue)obj).ToArray();
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if (items.Length == 1)
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info.AddValue("item", items[0]);
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else
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info.AddValue("items", items);
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info.SetType(typeof(QRef));
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}
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object ISerializationSurrogate.SetObjectData(object obj, SerializationInfo info, StreamingContext context, ISurrogateSelector selector)
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{
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return null;
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}
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#region QRef
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[Serializable]
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private sealed class QRef : IObjectReference, IDeserializationCallback
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{
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[OptionalField]
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private IList items = null;
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[OptionalField]
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private object item = null;
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[NonSerialized]
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private Queue queue = null;
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Object IObjectReference.GetRealObject(StreamingContext context)
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{
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if (this.queue == null)
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{
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this.queue = new Queue();
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}
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return this.queue;
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}
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void IDeserializationCallback.OnDeserialization(Object sender)
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{
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if (this.queue != null)
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{
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if (this.items != null)
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{
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for (int n = 0; n < this.items.Count; n++)
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this.queue.Enqueue(items[n]);
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}
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else
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{
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this.queue.Enqueue(this.item);
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}
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this.queue = null;
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}
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}
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}
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#endregion
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}
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#endregion
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}
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