/// <summary>
/// Handles the specified query.
/// </summary>
/// <param name="query">The query.</param>
/// <returns></returns>
public IReceivedMessageInternal Handle(ReceiveMessageQuery <IDbConnection, IDbTransaction> query)
{
if (!_databaseExists.Exists(_connectionInformation.ConnectionString))
{
return(null);
}
using (var connection = _dbFactory.CreateConnection(_connectionInformation.ConnectionString, false))
{
connection.Open();
using (var transaction = _dbFactory.CreateTransaction(connection).BeginTransaction())
{
using (var selectCommand = connection.CreateCommand())
{
selectCommand.Transaction = transaction;
CommandString commandString =
GetDeQueueCommand(_tableNameHelper.MetaDataName, _tableNameHelper.QueueName,
_tableNameHelper.StatusName, query.Routes);
_buildDequeueCommand.BuildCommand(selectCommand, commandString, _options.Value, query.Routes);
using (var reader = selectCommand.ExecuteReader())
{
return(_messageDeQueue.HandleMessage(connection, transaction, reader, commandString));
}
}
}
}
}
/// <summary>
/// Handles the specified query.
/// </summary>
/// <param name="query">The query.</param>
/// <returns></returns>
/// <exception cref="PoisonMessageException">An error has occured trying to re-assemble a message de-queued from SQLite</exception>
/// <exception cref="MessageQueueId"></exception>
public async Task <IReceivedMessageInternal> Handle(ReceiveMessageQueryAsync <IDbConnection, IDbTransaction> query)
{
if (!_databaseExists.Exists(_connectionInformation.ConnectionString))
{
return(null);
}
using (var connection = _dbFactory.CreateConnection(_connectionInformation.ConnectionString, false))
{
connection.Open();
using (var transaction = _dbFactory.CreateTransaction(connection).BeginTransaction())
{
using (var selectCommand = connection.CreateCommand())
{
selectCommand.Transaction = transaction;
CommandString commandString =
GetDeQueueCommand(_tableNameHelper.MetaDataName, _tableNameHelper.QueueName,
_tableNameHelper.StatusName, query.Routes);
if (commandString == null)
{
throw new DotNetWorkQueueException("Failed to generate command text for de-queue of messages");
}
_buildDequeueCommand.BuildCommand(selectCommand, commandString, _options.Value, query.Routes);
using (var reader = await _readerAsync.ExecuteReaderAsync(selectCommand).ConfigureAwait(false))
{
return(_messageDeQueue.HandleMessage(connection, transaction, reader, commandString));
}
}
}
}
}
