/// <summary>
/// Adds a new transient item to this instance.
/// </summary>
/// <param name="name">Name of the item to add.</param>
/// <param name="item">The item to consider.</param>
/// <param name="contextSectionName">Name of the context section to consider.</param>
public void AddTransientItem(
string name,
object item,
string contextSectionName = null)
{
string itemName = BdoDataContext.GetItemUniqueName(name, contextSectionName);
TransientItems.Remove(itemName);
TransientItems.Add(itemName, item);
}
/// <summary>
/// Loads a data context from file.
/// </summary>
/// <param name="filePath">The path of the file to load.</param>
/// <param name="log">The log that receives the log of this loading task.</param>
/// <returns>Returns the data context loaded from the specified file.</returns>
public static BdoDataContext Load(string filePath, ref BdoLog log)
{
BdoDataContext dataContext = null;
Stream fileStream = null;
try
{
fileStream = File.Open(filePath, FileMode.Open);
BinaryFormatter formatter = new BinaryFormatter();
dataContext = (BdoDataContext)formatter.Deserialize(fileStream);
}
catch (IOException exception)
{
log.AddException(exception);
}
finally
{
fileStream?.Close();
}
return(dataContext);
}
/// <summary>
/// Returns a specific transient item.
/// </summary>
/// <param name="name">Name of the dynamic item to return.</param>
/// <param name="contextSectionName">Name of the context section to consider.</param>
/// <returns>The dynamic item with specified name and type.</returns>
public object GetTransientItem(string name, string contextSectionName = null)
{
string itemName = BdoDataContext.GetItemUniqueName(name, contextSectionName);
return(TransientItems.ContainsKey(itemName) ? TransientItems[itemName] : null);
}