/// <summary>
/// Creates a new data item with a globally-unique identifier. If a
/// unique identifier is not provided, it could result in collisions
/// while retrieving instances.
/// </summary>
public DataItem(
ulong guid,
DataItemTypes type)
{
this.guid = guid;
this.type = type;
properties = new Dictionary <string, object>();
}
/// <summary>
/// Creates a deep copy of another data item.
/// </summary>
public DataItem(DataItem item)
{
guid = item.guid;
type = item.type;
properties = new Dictionary <string, object>(item.properties);
}
