public static OperationResult CreateFromException(string message, Exception ex)
{
var operationResult = new OperationResult
{
Status = false,
Message = message,
OperationId = null
};
if (ex != null)
{
operationResult.ExceptionMessage = ex.Message;
operationResult.ExceptionStackTrace = ex.StackTrace;
operationResult.ExceptionInnerMessage = (ex.InnerException == null) ? null : ex.InnerException.Message;
operationResult.ExceptionInnerStackTrace = (ex.InnerException == null) ? null : ex.InnerException.StackTrace;
}
return operationResult;
}
public OperationResult Commit <T>(List <T> disconnectedEntities = null) where T : class, IObjectWithState
{
OperationResult result;
using (var scope = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions {
IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted
}))
{
if (disconnectedEntities != null)
{
foreach (var customer in disconnectedEntities)
{
if (customer.State != State.Unchanged)
{
DbContext.Set <T>().Add(customer);
}
}
}
DbContext.ApplyStateChanges();
try
{
DbContext.SaveChanges();
result = new OperationResult {
Status = true
};
}
catch (DbUpdateConcurrencyException ex)
{
// Optimistic Concurrency reloads data from Database.
if (disconnectedEntities != null)
{
foreach (var entity in disconnectedEntities)
{
if (entity.State != State.Unchanged)
{
DbContext.Entry(entity).CurrentValues.SetValues(DbContext.Entry(entity).GetDatabaseValues());
}
}
}
else
{
foreach (var entity in DbContext.Set <T>())
{
if (entity.State != State.Unchanged)
{
DbContext.Entry(entity).CurrentValues.SetValues(DbContext.Entry(entity).GetDatabaseValues());
}
}
}
result = OperationResult.CreateFromException("Concurrency Exception occured!", ex);
result.ResultType = OperationResultType.ConcurencyExeption;
}
finally
{
DbContext.ResetEntityStates();
scope.Complete();
}
}
return(result);
}
