private T GetOrCreateTopic <T>(string name)
{
using (var @rlock = m_lockScope.Reader(Timeout))
{
if ([email protected])
{
throw new TimeoutException("Get topic has timed out");
}
T value;
if (!DictionaryHelper.TryGetValue <T>(m_catalog, name, out value))
{
using (var @wlock = m_lockScope.UpgradeToWriter(Timeout))
{
if ([email protected])
{
throw new TimeoutException("Create topic has timed out");
}
value = (T)Activator.CreateInstance(typeof(T), name);
m_catalog[name] = value;
}
}
return(value);
}
}
public override T Take(object state)
{
T item = state as T;
using (var @rlock = m_lockScope.Reader(m_timeout))
{
if ([email protected])
{
if (g_traceInfo.IsWarningEnabled)
{
TraceHelper.TraceWarning(g_traceInfo, "{0} - Take timed out", Name);
}
return(default(T));
}
if (item != null)
{
using (var @wlock = m_lockScope.UpgradeToWriter(m_timeout))
{
if ([email protected])
{
if (g_traceInfo.IsWarningEnabled)
{
TraceHelper.TraceWarning(g_traceInfo, "{0} - Take timed out on remove", Name);
}
return(default(T));
}
if (!Remove(item))
{
if (g_traceInfo.IsWarningEnabled)
{
TraceHelper.TraceWarning(g_traceInfo, "{0} - Failed to remove", Name);
}
return(default(T));
}
}
}
else
{
item = Lookup(state);
}
}
return(item);
}