public void Tran(IsolationLevel iso, DeadlockRetryConfig retry_config, TransactionalTask task)
{
EnsureOpen();
if (retry_config == null)
{
retry_config = this.DeadlockRetryConfig;
}
int num_retry = 0;
LABEL_RETRY:
try
{
using (UsingTran u = this.UsingTran(iso))
{
if (task())
{
u.Commit();
}
}
}
catch (SqlException sqlex)
{
if (sqlex.Number == 1205)
{
// デッドロック発生
num_retry++;
if (num_retry <= retry_config.RetryCount)
{
Kernel.SleepThread(Secure.Rand31i() % retry_config.RetryAverageInterval);
goto LABEL_RETRY;
}
throw;
}
else
{
throw;
}
}
}
public void Tran(IsolationLevel iso, TransactionalTask task) => Tran(iso, null, task);
public bool RunInTransaction(TransactionalTask transactionalTask)
{
bool shouldCommit = true;
BeginTransaction();
try
{
shouldCommit = transactionalTask.Run();
}
catch (Exception e)
{
shouldCommit = false;
Log.E(Couchbase.Lite.Database.Tag, e.ToString(), e);
throw new RuntimeException(e);
}
finally
{
EndTransaction(shouldCommit);
}
return shouldCommit;
}
// トランザクションの実行 (匿名デリゲートを用いた再試行処理も実施) public void Tran(TransactionalTask task) => Tran(IsolationLevel.Serializable, null, task);
// トランザクションの実行 (匿名デリゲートを用いた再試行処理も実施) public void Tran(TransactionalTask task) => Tran(null, null, task);
