public static void SetData(string name, object value)
{
WcfOperationContext wcfContext = WcfOperationContext.Current;
HttpContext httpContext = HttpContext.Current;
if (wcfContext != null)
{
wcfContext.Items[name] = value;
}
else if (httpContext != null)
{
httpContext.Items[name] = value;
}
else
{
var skyDict = (Dictionary <string, object>)CallContext.GetData(DictName);
if (skyDict == null)
{
skyDict = new Dictionary <string, object>();
CallContext.SetData(DictName, skyDict);
}
lock (skyDict)
{
skyDict[name] = value;
}
}
}
public static void FreeNamedDataSlot()
{
WcfOperationContext wcfContext = WcfOperationContext.Current;
HttpContext httpContext = HttpContext.Current;
// Removing keys while iterating over a dictionary throws an exception, so first put all keys in a list
List <string> keys;
if (wcfContext != null)
{
keys = wcfContext.Items.Keys.ToList();
}
else if (httpContext != null)
{
keys = httpContext.Items.Keys.Cast <string>().ToList();
}
else
{
var skyDict = (Dictionary <string, object>)CallContext.GetData(DictName);
lock (skyDict)
{
keys = skyDict.Keys.ToList();
}
}
foreach (var key in keys)
{
FreeNamedDataSlot(key);
}
}
public static object GetData(string name)
{
WcfOperationContext wcfContext = WcfOperationContext.Current;
HttpContext httpContext = HttpContext.Current;
if (wcfContext != null)
{
if (wcfContext.Items.ContainsKey(name))
{
return(wcfContext.Items[name]);
}
return(null);
}
if (httpContext != null)
{
return(httpContext.Items[name]);
}
var skyDict = (Dictionary <string, object>)CallContext.GetData(DictName);
if (skyDict == null)
{
return(null);
}
lock (skyDict)
{
object o;
if (skyDict.TryGetValue(name, out o))
{
return(o);
}
}
return(null);
}
/// <summary>
/// Remove an item from the call context
/// </summary>
/// <param name="name">key of the item that must be removed</param>
/// <param name="dispose">true (default) disposes an item if it has the IDisposable interface</param>
/// <remarks>Set dispose to false when the item is this and calling from the Dispose method</remarks>
public static void FreeNamedDataSlot(string name, bool dispose = true)
{
WcfOperationContext wcfContext = WcfOperationContext.Current;
HttpContext httpContext = HttpContext.Current;
object itemToFree = GetData(name);
if (itemToFree != null)
{
if (wcfContext != null)
{
wcfContext.Items.Remove(name);
}
else if (httpContext != null)
{
httpContext.Items.Remove(name);
}
else
{
var skyDict = (Dictionary <string, object>)CallContext.GetData(DictName);
lock (skyDict)
{
skyDict.Remove(name);
}
}
}
// Dispose disposable items.
if (dispose)
{
var disposableItem = itemToFree as IDisposable;
if (disposableItem != null)
{
disposableItem.Dispose();
}
}
}