private void Initialize(TransactionDelegate transactionDelegate, RetryDelegate retryDelegate, TransactionOptions options)
{
_options = options;
State = TransactionState.Active;
TransactionDelegate = transactionDelegate;
RetryDelegate = retryDelegate;
}
public static bool Retry(RetryDelegate del, int numberOfRetries, int msPause)
{
int counter = 0;
RetryLabel:
try
{
counter++;
del.Invoke();
return(true);
}
catch (Exception ex)
{
if (counter > numberOfRetries)
{
throw ex;
}
else
{
if (msPause > 0)
{
Thread.Sleep(msPause);
}
goto RetryLabel;
}
}
}
public BCRetryData(RetryDelegate in_delegate, object in_retryData, SuccessCallback in_success = null, FailureCallback in_failure = null)
{
retryDelegate = in_delegate;
retryData = in_retryData;
success = in_success;
failure = in_failure;
}
public abstract Task <TResult> DeleteAsync <TData, TResult>(TData document,
Func <TResult> success,
Func <TResult> onNotFound,
Func <ExtendedErrorInformationCodes, string, TResult> onFailure =
default(Func <ExtendedErrorInformationCodes, string, TResult>),
RetryDelegate onTimeout = default(RetryDelegate))
where TData : class, ITableEntity;
public static T Times <T>(RetryDelegate <T> del, int numberOfRetries, int msPause, bool throwExceptions)
{
int counter = 0;
BeginLabel:
try
{
counter++;
return(del.Invoke());
}
catch (Exception ex)
{
if (counter > numberOfRetries)
{
if (throwExceptions)
{
throw;
}
else
{
return(default(T));
}
}
else
{
if (RetryDelegateFailed != null)
{
RetryDelegateFailed(ex, counter);
}
Thread.Sleep(msPause);
goto BeginLabel;
}
}
}
/// <summary>
/// Retry delegate.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="del"></param>
/// <param name="numberOfRetries"></param>
/// <param name="msPause"></param>
/// <returns></returns>
public static T Retry <T>(RetryDelegate <T> del, int numberOfRetries, int msPause)
{
var counter = 0;
RetryLabel:
try
{
counter++;
return(del.Invoke());
}
catch (Exception ex)
{
if (counter > numberOfRetries)
{
throw;
}
if (msPause > 0)
{
Thread.Sleep(msPause);
}
goto RetryLabel;
}
}
public abstract Task <TResult> UpdateIfNotModifiedAsync <TData, TResult>(TData data,
Func <TResult> success,
Func <TResult> documentModified,
Func <ExtendedErrorInformationCodes, string, TResult> onFailure =
default(Func <ExtendedErrorInformationCodes, string, TResult>),
RetryDelegate onTimeout =
default(RetryDelegate))
where TData : ITableEntity;
public abstract Task <TResult> CreateAsync <TResult, TDocument>(string rowKey, string partitionKey, TDocument document,
Func <TResult> onSuccess,
Func <TResult> onAlreadyExists,
Func <ExtendedErrorInformationCodes, string, TResult> onFailure =
default(Func <ExtendedErrorInformationCodes, string, TResult>),
RetryDelegate onTimeout =
default(RetryDelegate))
where TDocument : class, ITableEntity;
public abstract Task <TResult> FindByIdAsync <TEntity, TResult>(
string rowKey, string partitionKey,
Func <TEntity, TResult> onSuccess,
Func <TResult> onNotFound,
Func <ExtendedErrorInformationCodes, string, TResult> onFailure =
default(Func <ExtendedErrorInformationCodes, string, TResult>),
RetryDelegate onTimeout =
default(RetryDelegate))
where TEntity : class, ITableEntity;
public static T Retry <T>(RetryDelegate <T> Action, CompletedDelegate <T, Object> Completed,
Object completed_delegate_object, int wait_secs, int max_tries, TimeSpan timeout_secs)
{
T result = default(T);
DateTime start = DateTime.UtcNow;
int tries = 0;
var method_name = Action.Method.Name;
while (TimeToGiveUp(start, timeout_secs, tries, max_tries) == false)
{
try
{
tries++;
result = Action.Invoke();
if (Completed(result, completed_delegate_object) == true)
{
return(result);
}
}
catch (Exception e)
{
GenUtils.PriorityLogMsg("exception", "RetryDelegate: " + method_name,
e.Message + e.StackTrace);
throw (e);
}
HttpUtils.Wait(wait_secs);
}
if (TimedOut(start, timeout_secs))
{
throw RetryTimedOut;
}
if (ExceededTries(tries, max_tries))
{
throw RetryExceededMaxTries;
}
return(result); // default(T)
}
// Retry delegate with default retry settings.
public static T Retry <T>(RetryDelegate <T> del)
{
return(Retry <T>(del, retryCount, retryIntervalMS));
}
// Retry delegate with default retry settings.
public static bool Retry(RetryDelegate del)
{
return(Retry(del, retryCount, retryIntervalMS));
}
public static Transaction ExecuteTransaction(TransactionDelegate transactionDelegate, RetryDelegate retryDelegate, TransactionOptions options)
{
_trasaction = new Transaction(transactionDelegate, retryDelegate);
_trasaction.TransactionDelegate.Invoke(_trasaction);
while (_trasaction.State == TransactionState.Aborted && _trasaction.RetryDelegate != null && _trasaction.RetryDelegate.Invoke(_trasaction))
{
_trasaction.TransactionDelegate.Invoke(_trasaction);
}
return(_trasaction);
}
internal Transaction(TransactionDelegate transactionDelegate, RetryDelegate retryDelegate)
{
Initialize(transactionDelegate, retryDelegate, new TransactionOptions());
}
internal Transaction(TransactionDelegate transactionDelegate, RetryDelegate retryDelegate, TransactionOptions options)
{
Initialize(transactionDelegate, retryDelegate, options);
}
private void reTry(RetryDelegate retryAction)
{
if (this.sleeping)
{
this.sleeping = false;
retryAction.DynamicInvoke(new object[0]);
}
else
{
this.sleeping = true;
SA_StorageWorker bw_NewWorker = new SA_StorageWorker(this);
bw_NewWorker.DoWork += new DoWorkEventHandler(this.bw_Sleep_DoWork);
this.SetCurrentWorker(bw_NewWorker);
}
}
public static Transaction ExecuteTransaction(TransactionDelegate transactionDelegate, RetryDelegate retryDelegate)
{
return(ExecuteTransaction(transactionDelegate, retryDelegate, new TransactionOptions()));
}
public RetryPolicy(RetryDelegate shouldRetryAfter = null)
{
this.shouldRetryAfter = shouldRetryAfter ??
Default;
}
// Retry delegate with default retry settings.
public static T Retry <T>(RetryDelegate <T> del, int numberOfRetries)
{
return(Retry <T>(del, numberOfRetries, RetryIntervalMs));
}