public void OpContextTestClientRequestIDOnTable()
{
CloudTableClient tClient = GenerateCloudTableClient();
CloudTable table = tClient.GetTableReference("test");
string uniqueID = Guid.NewGuid().ToString();
Action act = () => table.Exists(null, new OperationContext()
{
ClientRequestID = uniqueID
});
TestHelper.VerifyHeaderWasSent("x-ms-client-request-id", uniqueID, AzureStorageSelectors.TableTraffic().IfHostNameContains(tClient.Credentials.AccountName), act);
act = () => table.EndExists(table.BeginExists(null, new OperationContext()
{
ClientRequestID = uniqueID
}, null, null));
TestHelper.VerifyHeaderWasSent("x-ms-client-request-id", uniqueID, AzureStorageSelectors.TableTraffic().IfHostNameContains(tClient.Credentials.AccountName), act);
#if TASK
act = () => table.ExistsAsync(null, new OperationContext()
{
ClientRequestID = uniqueID
}).Wait();
TestHelper.VerifyHeaderWasSent("x-ms-client-request-id", uniqueID, AzureStorageSelectors.TableTraffic().IfHostNameContains(tClient.Credentials.AccountName), act);
#endif
}
public void OpContextTestUserHeadersOnTable()
{
CloudTableClient tClient = GenerateCloudTableClient();
CloudTable table = tClient.GetTableReference("test");
string uniqueID = Guid.NewGuid().ToString();
OperationContext ctx = new OperationContext();
ctx.UserHeaders = new Dictionary <string, string>();
ctx.UserHeaders.Add("foo", "bar");
Action act = () => table.Exists(null, ctx);
TestHelper.VerifyHeaderWasSent(ctx.UserHeaders.Keys.First(), ctx.UserHeaders[ctx.UserHeaders.Keys.First()], AzureStorageSelectors.TableTraffic().IfHostNameContains(tClient.Credentials.AccountName), act);
act = () => table.EndExists(table.BeginExists(null, ctx, null, null));
TestHelper.VerifyHeaderWasSent(ctx.UserHeaders.Keys.First(), ctx.UserHeaders[ctx.UserHeaders.Keys.First()], AzureStorageSelectors.TableTraffic().IfHostNameContains(tClient.Credentials.AccountName), act);
#if TASK
act = () => table.ExistsAsync(null, ctx).Wait();
TestHelper.VerifyHeaderWasSent(ctx.UserHeaders.Keys.First(), ctx.UserHeaders[ctx.UserHeaders.Keys.First()], AzureStorageSelectors.TableTraffic().IfHostNameContains(tClient.Credentials.AccountName), act);
#endif
}
public static Task <bool> ExistsAsync(this CloudTable tbl, TableRequestOptions opt, OperationContext ctx, CancellationToken token)
{
ICancellableAsyncResult result = null;
if (opt == null && ctx == null)
{
result = tbl.BeginExists(null, null);
}
else
{
result = tbl.BeginExists(opt, ctx, null, null);
}
var cancellationRegistration = token.Register(result.Cancel);
return(Task.Factory.FromAsync(result, ar =>
{
cancellationRegistration.Dispose();
return tbl.EndExists(ar);
}));
}
/// <summary>
/// Checks whether the table exists asynchronously.
/// </summary>
/// <param name="cloudTable">Cloud table.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>
/// <c>true</c> if table exists; otherwise, <c>false</c>.
/// </returns>
public static Task <bool> ExistsAsync(
this CloudTable cloudTable,
CancellationToken cancellationToken = default(CancellationToken))
{
ICancellableAsyncResult asyncResult = cloudTable.BeginExists(null, null);
CancellationTokenRegistration registration = cancellationToken.Register(p => asyncResult.Cancel(), null);
return(Task <bool> .Factory.FromAsync(
asyncResult,
result =>
{
registration.Dispose();
return cloudTable.EndExists(result);
}));
}
public ICancellableAsyncResult BeginExists(AsyncCallback callback, object state)
{
return(_cloudTable.BeginExists(callback, state));
}