/// <summary>
/// 同一时刻，只有一个对象处理同一文件(IDocument Document,Action completed)中的completed是指当document用完后，需要调用该方法
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public static IDocument Create(string fileName)
{
lock (_cache)
{
if (!_cache.TryGetValue(fileName, out var proxy))
{
var doc = NewDocument(fileName);
if (doc == null)
{
return(null); //证明不是合法的文档
}
proxy = new DocumentProxy(fileName, doc);
_cache.Add(fileName, proxy);
}
proxy.ReferenceTimes++;
return(proxy);
}
}
public virtual void VisitDocumentStart(DocumentProxy document)
{
}
public virtual void VisitDocumentEnd(DocumentProxy document)
{
}
/// <summary>Create a instance, wrapping the specified proxy</summary>
public DocumentNHibernateImpl(Func<IFrozenContext> lazyCtx, DocumentProxy proxy)
: base(lazyCtx, proxy) // pass proxy to parent
{
this.Proxy = proxy;
}
/// <summary>Create a instance, wrapping the specified proxy</summary>
public DocumentNHibernateImpl(Func <IFrozenContext> lazyCtx, DocumentProxy proxy)
: base(lazyCtx, proxy) // pass proxy to parent
{
this.Proxy = proxy;
}