VirtualObject<TNode>
using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using System.Threading;
namespace Castle.Components.DictionaryAdapter
{
public abstract class VirtualObject<TNode> : IVirtual<TNode>, IVirtual
{
private List<IVirtualSite<TNode>> sites;
public abstract bool IsReal { get; }
public event EventHandler Realized {
[CompilerGenerated]
add {
EventHandler eventHandler = this.Realized;
EventHandler eventHandler2;
do {
eventHandler2 = eventHandler;
EventHandler value2 = (EventHandler)Delegate.Combine(eventHandler2, value);
eventHandler = Interlocked.CompareExchange<EventHandler>(ref this.Realized, value2, eventHandler2);
} while ((object)eventHandler != eventHandler2);
}
[CompilerGenerated]
remove {
EventHandler eventHandler = this.Realized;
EventHandler eventHandler2;
do {
eventHandler2 = eventHandler;
EventHandler value2 = (EventHandler)Delegate.Remove(eventHandler2, value);
eventHandler = Interlocked.CompareExchange<EventHandler>(ref this.Realized, value2, eventHandler2);
} while ((object)eventHandler != eventHandler2);
}
}
protected VirtualObject()
{
}
protected VirtualObject(IVirtualSite<TNode> site)
{
sites = new List<IVirtualSite<TNode>> {
site
};
}
protected void AddSite(IVirtualSite<TNode> site)
{
if (sites != null)
sites.Add(site);
}
void IVirtual<TNode>.AddSite(IVirtualSite<TNode> site)
{
AddSite(site);
}
protected void RemoveSite(IVirtualSite<TNode> site)
{
if (sites != null) {
int num = sites.IndexOf(site);
if (num != -1)
sites.RemoveAt(num);
}
}
void IVirtual<TNode>.RemoveSite(IVirtualSite<TNode> site)
{
RemoveSite(site);
}
public TNode Realize()
{
if (TryRealize(out TNode node)) {
if (sites != null) {
int count = sites.Count;
for (int i = 0; i < count; i++) {
sites[i].OnRealizing(node);
}
sites = null;
}
OnRealized();
}
return node;
}
void IVirtual.Realize()
{
Realize();
}
protected abstract bool TryRealize(out TNode node);
protected virtual void OnRealized()
{
EventHandler realized = this.Realized;
if (realized != null) {
realized(this, EventArgs.Empty);
this.Realized = null;
}
}
}
}