public XbimReadWriteTransaction BeginTransaction(string operationName)
{
if (InverseCache != null)
{
throw new XbimException("Transaction can't be open when cache is in operation.");
}
if (_editTransactionEntityCursor != null)
{
throw new XbimException("Attempt to begin another transaction whilst one is already running");
}
try
{
//check if write permission upgrade is required
_editTransactionEntityCursor = InstanceCache.GetWriteableEntityTable();
InstanceCache.BeginCaching();
var txn = new XbimReadWriteTransaction(this, _editTransactionEntityCursor.BeginLazyTransaction(), operationName);
CurrentTransaction = txn;
return(txn);
}
catch (Exception e)
{
throw new XbimException("Failed to create ReadWrite transaction", e);
}
}
/// <summary>
/// Inserts a deep copy of the toCopy object into this model
/// All property values are copied to the maximum depth
/// Inverse properties are not copied
/// </summary>
/// <param name="toCopy">Instance to copy</param>
/// <param name="mappings">Supply a dictionary of mappings if repeat copy insertions are to be made</param>
/// <param name="txn"></param>
/// <param name="includeInverses"></param>
/// <returns></returns>
public T InsertCopy <T>(T toCopy, XbimInstanceHandleMap mappings, XbimReadWriteTransaction txn, bool includeInverses = false) where T : IPersistEntity
{
return(Cache.InsertCopy(toCopy, mappings, txn, includeInverses));
}
public T InsertCopy <T>(T toCopy, XbimInstanceHandleMap mappings, XbimReadWriteTransaction txn, PropertyTranformDelegate propTransform, bool includeInverses = false) where T : IPersistEntity
{
return(Cache.InsertCopy(toCopy, mappings, txn, includeInverses, propTransform));
}
