/// <summary>
/// Delete the provided object from the table
/// </summary>
/// <typeparam name="T">Type of business object</typeparam>
/// <param name="item">Business object</param>
/// <returns>Zero if nothing was deleted, One if the object was deleted</returns>
public ulong Delete <T>(T item)
where T : class
{
if (item != null)
{
// we need to check if we are soft-deleting!
ClassInformation?objectInfo = TypeInspector.InspectForAzureTables <T>();
if (objectInfo == null)
{
throw new TypeLoadException($"Type '{typeof(T).FullName}' is not anotated with the '{typeof(TableAttribute).FullName}' attribute.");
}
TableAttribute tableAttribute = objectInfo.TableAttribute;
AzureTableEntity entity = AzureTableEntity.From(item);
TableOperation updateOrDeleteOperation;
if (tableAttribute.UseSoftDelete)
{
entity.AddOrUpdateProperty(AzureTableEntity.PROPERTY_NAME_ISDELETED, true);
updateOrDeleteOperation = TableOperation.Merge(entity);
}
else
{
updateOrDeleteOperation = TableOperation.Delete(entity);
}
ExecuteNonQuery <T>(updateOrDeleteOperation);
return(1L);
}
return(0L);
}
/// <summary>
/// Performs the actual UPDATE operation
/// </summary>
/// <typeparam name="T">Type of business object</typeparam>
/// <param name="objects">Collection of objects</param>
/// <param name="setSoftDeleteFlag">If TRUE, then we update the IsDeleted flag</param>
private ulong UpdateInternal <T>(IEnumerable <T> objects, bool setSoftDeleteFlag = false)
where T : class
{
if (objects != null)
{
TableBatchOperation update = new TableBatchOperation();
foreach (T instance in objects)
{
AzureTableEntity entity = AzureTableEntity.From(instance);
if (setSoftDeleteFlag)
{
entity.AddOrUpdateProperty(AzureTableEntity.PROPERTY_NAME_ISDELETED, true);
}
update.Merge(entity);
}
ulong count = (ulong)update.Count;
if (count > 0)
{
ExecuteNonQuery <T>(update);
return(count);
}
}
return(0L);
}
