private static async Task BasicDataOperationsAsync(CloudTable table)
{
// Create an instance of a customer entity. See the Model\CustomerEntity.cs for a description of the entity.
for (int i = 0; i < 10; i++)
{
CustomerEntity customer = Common.customers[i];
// Demonstrate how to insert the entity
Console.WriteLine("Insert an Entity.");
customer = await SamplesUtils.InsertOrMergeEntityAsync(table, customer);
// Demonstrate how to Update the entity by changing the phone number
Console.WriteLine("Update an existing Entity using the InsertOrMerge Upsert Operation.");
customer.PhoneNumber = "425-555-0105";
await SamplesUtils.InsertOrMergeEntityAsync(table, customer);
Console.WriteLine();
// Demonstrate how to Read the updated entity using a point query
Console.WriteLine("Reading the updated Entity.");
customer = await SamplesUtils.RetrieveEntityUsingPointQueryAsync(table, "Harp", "Walter");
Console.WriteLine();
// Demonstrate how to Delete an entity
Console.WriteLine("Delete the entity. ");
await SamplesUtils.DeleteEntityAsync(table, customer);
Console.WriteLine();
}
}
/// <summary>
/// Tests a table SAS to determine which operations it allows.
/// </summary>
/// <param name="sasUri">A string containing a URI with a SAS appended.</param>
/// <param name="customer">The customer entity.</param>
/// <returns>A Task object</returns>
private static async Task TestTableSAS(string sasUri, CustomerEntity customer)
{
// Try performing table operations with the SAS provided.
// Note that the storage account credentials are not required here; the SAS provides the necessary
// authentication information on the URI.
// Return a reference to the table using the SAS URI.
CloudTable table = new CloudTable(new Uri(sasUri));
// Upsert (add/update) operations: insert an entity.
// This operation requires both add and update permissions on the SAS.
try
{
// Insert the new entity.
customer = await SamplesUtils.InsertOrMergeEntityAsync(table, customer);
Console.WriteLine("Add operation succeeded for SAS {0}", sasUri);
Console.WriteLine();
}
catch (StorageException e)
{
if (e.RequestInformation.HttpStatusCode == 403)
{
Console.WriteLine("Add operation failed for SAS {0}", sasUri);
Console.WriteLine("Additional error information: " + e.Message);
Console.WriteLine();
}
else
{
Console.WriteLine(e.Message);
Console.ReadLine();
throw;
}
}
// Read operation: query an entity.
// This operation requires read permissions on the SAS.
CustomerEntity customerRead = null;
try
{
TableOperation retrieveOperation = TableOperation.Retrieve <CustomerEntity>(customer.PartitionKey, customer.RowKey);
TableResult result = await table.ExecuteAsync(retrieveOperation);
customerRead = result.Result as CustomerEntity;
if (customerRead != null)
{
Console.WriteLine("\t{0}\t{1}\t{2}\t{3}", customerRead.PartitionKey, customerRead.RowKey, customerRead.Email, customerRead.PhoneNumber);
}
Console.WriteLine("Read operation succeeded for SAS {0}", sasUri);
Console.WriteLine();
}
catch (StorageException e)
{
if (e.RequestInformation.HttpStatusCode == 403)
{
Console.WriteLine("Read operation failed for SAS {0}", sasUri);
Console.WriteLine("Additional error information: " + e.Message);
Console.WriteLine();
}
else
{
Console.WriteLine(e.Message);
Console.ReadLine();
throw;
}
}
// Delete operation: delete an entity.
try
{
if (customerRead != null)
{
await SamplesUtils.DeleteEntityAsync(table, customerRead);
}
Console.WriteLine("Delete operation succeeded for SAS {0}", sasUri);
Console.WriteLine();
}
catch (StorageException e)
{
if (e.RequestInformation.HttpStatusCode == 403)
{
Console.WriteLine("Delete operation failed for SAS {0}", sasUri);
Console.WriteLine("Additional error information: " + e.Message);
Console.WriteLine();
}
else
{
Console.WriteLine(e.Message);
Console.ReadLine();
throw;
}
}
Console.WriteLine();
}