86 lines
3.1 KiB
C#
86 lines
3.1 KiB
C#
|
namespace System.Workflow.ComponentModel.Serialization
|
||
|
|
{
|
||
|
|
using System;
|
||
|
|
using System.Xml;
|
||
|
|
using System.Runtime.Serialization;
|
||
|
|
using System.Reflection;
|
||
|
|
using System.IO;
|
||
|
|
using System.Runtime.Serialization.Formatters.Binary;
|
||
|
|
using System.Collections;
|
||
|
|
using System.Collections.Generic;
|
||
|
|
|
||
|
|
#region GenericQueueSurrogate
|
||
|
|
internal sealed class GenericQueueSurrogate : ISerializationSurrogate
|
||
|
|
{
|
||
|
|
internal GenericQueueSurrogate() { }
|
||
|
|
void ISerializationSurrogate.GetObjectData(object obj, SerializationInfo info, StreamingContext context)
|
||
|
|
{
|
||
|
|
if (!obj.GetType().IsGenericType || obj.GetType().GetGenericTypeDefinition() != typeof(Queue<>))
|
||
|
|
throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "obj");
|
||
|
|
|
||
|
|
Type[] args = obj.GetType().GetGenericArguments();
|
||
|
|
if (args.Length != 1)
|
||
|
|
throw new ArgumentException(SR.GetString(SR.Error_InvalidArgumentValue), "obj");
|
||
|
|
|
||
|
|
ArrayList items = new ArrayList(obj as ICollection);
|
||
|
|
if (items.Count == 1)
|
||
|
|
info.AddValue("item", items[0]);
|
||
|
|
else
|
||
|
|
info.AddValue("items", items.ToArray());
|
||
|
|
info.AddValue("itemType", args[0]);
|
||
|
|
info.SetType(typeof(GenericQRef));
|
||
|
|
}
|
||
|
|
object ISerializationSurrogate.SetObjectData(object obj, SerializationInfo info, StreamingContext context, ISurrogateSelector selector)
|
||
|
|
{
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
#region GenericQRef
|
||
|
|
[Serializable]
|
||
|
|
private sealed class GenericQRef : IObjectReference, IDeserializationCallback
|
||
|
|
{
|
||
|
|
[OptionalField]
|
||
|
|
private IList items = null;
|
||
|
|
[OptionalField]
|
||
|
|
private object item = null;
|
||
|
|
private Type itemType = null;
|
||
|
|
|
||
|
|
[NonSerialized]
|
||
|
|
private object queue = null;
|
||
|
|
|
||
|
|
Object IObjectReference.GetRealObject(StreamingContext context)
|
||
|
|
{
|
||
|
|
if (this.queue == null)
|
||
|
|
{
|
||
|
|
Type queueType = typeof(Queue<int>).GetGenericTypeDefinition().MakeGenericType(itemType);
|
||
|
|
this.queue = queueType.GetConstructor(Type.EmptyTypes).Invoke(null);
|
||
|
|
}
|
||
|
|
return this.queue;
|
||
|
|
}
|
||
|
|
void IDeserializationCallback.OnDeserialization(Object sender)
|
||
|
|
{
|
||
|
|
if (this.queue != null)
|
||
|
|
{
|
||
|
|
MethodInfo enqueueMethod = this.queue.GetType().GetMethod("Enqueue");
|
||
|
|
if (enqueueMethod == null)
|
||
|
|
throw new NullReferenceException("enqueueMethod");
|
||
|
|
|
||
|
|
if (this.items != null)
|
||
|
|
{
|
||
|
|
for (int n = 0; n < items.Count; n++)
|
||
|
|
enqueueMethod.Invoke(this.queue, new object[] { this.items[n] });
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
enqueueMethod.Invoke(this.queue, new object[] { this.item });
|
||
|
|
}
|
||
|
|
this.queue = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endregion
|
||
|
|
}
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
}
|