|
public ReplayMessagesAsync ( string persistenceId, long fromSequenceNr, long toSequenceNr, long max, IActorRef sender, Action |
||
| persistenceId | string | Identifier of persistent messages stream to be replayed. |
| fromSequenceNr | long | Lower inclusive sequence number bound. Unbound by default. |
| toSequenceNr | long | Upper inclusive sequence number bound. Unbound by default. |
| max | long | Maximum number of messages to be replayed. Unbound by default. |
| sender | IActorRef | |
| recoveryCallback | Action |
Action invoked for each replayed message. |
| Результат | Task | |
public async Task ReplayMessagesAsync(string persistenceId, long fromSequenceNr, long toSequenceNr, long max, IActorRef sender, Action<IPersistentRepresentation> recoveryCallback)
{
using (var connection = CreateDbConnection())
{
await connection.OpenAsync();
var sqlCommand = QueryBuilder.SelectMessages(persistenceId, fromSequenceNr, toSequenceNr, max);
CompleteCommand(sqlCommand, connection);
var reader = await sqlCommand.ExecuteReaderAsync(_pendingRequestsCancellation.Token);
try
{
while (reader.Read())
{
var persistent = QueryMapper.Map(reader, sender);
if (persistent != null)
recoveryCallback(persistent);
}
}
finally
{
reader.Close();
}
}
}
public override Task ReplayMessagesAsync(IActorContext context, string persistenceId, long fromSequenceNr, long toSequenceNr, long max, Action <IPersistentRepresentation> recoveryCallback)
{
return(DbEngine.ReplayMessagesAsync(persistenceId, fromSequenceNr, toSequenceNr, max, context.Sender, recoveryCallback));
}
