public TableStorageEntry Get(string pk, string rk)
{
#region try
try
{
#region preconditions
if (string.IsNullOrEmpty(pk) || string.IsNullOrEmpty(rk))
{
throw new Exception("Invalid parameters");
}
#endregion
TableQuery <TableStorageEntry> rangeQuery = new TableQuery <TableStorageEntry>().Where(
TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, pk),
TableOperators.And,
TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.Equal, rk)));
TableStorageEntry _entry = table.ExecuteQuery(rangeQuery).FirstOrDefault <TableStorageEntry>();
return(_entry);
}
#endregion
#region catch
catch (Exception ex)
{
System.Diagnostics.Trace.TraceError(ex.Message);
return(null);
}
#endregion
}
public bool Track(object object2track)
{
#region try
try
{
#region retry management
int maxNumRetries = 5;
int numRetries = 0;
Random random = new Random();
#endregion
TableStorageEntry table_entry = new TableStorageEntry(partitionKey, rowKey, object2track);
#region insert management
while (numRetries < maxNumRetries)
{
#region try
try
{
TableOperation insertOperation = TableOperation.Insert(table_entry);
table.Execute(insertOperation);
break;
}
#endregion
#region catch
catch (StorageException ex)
{
string error = "Error in function " + System.Reflection.MethodBase.GetCurrentMethod().Name + " - " + ex.Message;
System.Diagnostics.Trace.TraceError(error);
if (ex.Message.Contains("(409)"))
{
numRetries++;
long result = 0;
if (long.TryParse(table_entry.RowKey, out result))
{
if (numRetries >= 3)
{
result += random.Next(2, 10);
}
else
{
result++;
}
table_entry.RowKey = result.ToString();
}
else
{
break;
}
}
else
{
break;
}
}
catch (Exception ex)
{
string error = "Error in function " + System.Reflection.MethodBase.GetCurrentMethod().Name + " - " + ex.Message;
System.Diagnostics.Trace.TraceError(error);
return(false);
}
#endregion
}
#endregion
return(true);
}
#endregion
#region catch
catch (Exception ex)
{
string error = "Error in function " + System.Reflection.MethodBase.GetCurrentMethod().Name + " - " + ex.Message;
System.Diagnostics.Trace.TraceError(error);
return(false);
}
#endregion
}
