/// <summary>
/// Reads the value from the cache.
/// </summary>
public ItemValueResult Read(string itemID, string locale, System.Type reqType, int maxAge)
{
lock (this)
{
if (m_disposed)
{
throw new ObjectDisposedException("Opc.Da.Cache");
}
if (itemID == null || itemID.Length == 0)
{
return(new ItemValueResult(itemID, ResultID.Da.E_INVALID_ITEM_NAME));
}
CacheItem item = LookupItem(itemID);
if (item == null)
{
return(new ItemValueResult(itemID, ResultID.Da.E_UNKNOWN_ITEM_NAME));
}
return(item.Read(locale, reqType, maxAge, m_supportsCOM));
}
}
