public override SiteMapNode BuildSiteMap()
{
if (root != null && HttpContext.Current.Cache[cacheKey] != null)
{
return root;
}
lock (locker)
{
Clear();
try
{
root = CreateSiteMap();
// AddNode(root);
if (canCache)
{
HttpContext.Current.Cache
.Add(cacheKey,
String.Empty,
null,
DateTime.Now.Add(cacheDuration),
Cache.NoSlidingExpiration,
CacheItemPriority.Normal,
null);
}
}
catch (Exception exception)
{
throw new Exception("", exception);
}
}
return root;
}
public override SiteMapNode BuildSiteMap()
{
if (root != null && HttpContext.Current.Cache[CacheKey] != null)
{
return root;
}
lock (locker)
{
if (root != null)
{
return root;
}
Clear();
try
{
root = CreateSiteMapFromFile();
if (canCache)
{
HttpContext.Current.Cache
.Add(CacheKey,
String.Empty,
new CacheDependency(HttpContext.Current.Server.MapPath(siteMapFile)),
DateTime.Now.Add(cacheDuration),
Cache.NoSlidingExpiration,
CacheItemPriority.Normal,
null);
}
}
catch (Exception exception)
{
throw new Exception("", exception);
}
}
return root;
}
protected override void Clear()
{
base.Clear();
root = null;
}
