/// <summary>
/// Creates a <see cref="DataTable"/> based on the required insert/update command parameters.
/// </summary>
private static DbBatchOperation CreateBuffer(IStoreEventSettings settings, IEventStoreDialect dialect)
{
using (var command = dialect.CreateCommand(dialect.MarkDispatched))
{
command.Parameters.Add(dialect.CreateIdParameter(default(Int64)));
return(new DbBatchOperation(dialect, command, settings.BatchSize, settings.FlushInterval));
}
}
/// <summary>
/// Creates a <see cref="DataTable"/> based on the required insert/update command parameters.
/// </summary>
private static DbBatchOperation CreateBuffer(IStoreEventSettings settings, IEventStoreDialect dialect)
{
using (var command = dialect.CreateCommand(dialect.MarkDispatched))
{
command.Parameters.Add(dialect.CreateIdParameter(default(Int64)));
return new DbBatchOperation(dialect, command, settings.BatchSize, settings.FlushInterval);
}
}
/// <summary>
/// Initializes a new event store.
/// </summary>
private void Initialize()
{
Log.Trace("Initializing event store");
using (var command = dialect.CreateCommand(dialect.EnsureCommitTableExists))
dialect.ExecuteNonQuery(command);
// NOTE: Most durable message queues ensure `at least once` delivery of messages; however when using an internal message
// queue (i.e., BlockingCollection) or non-durable message queue (i.e., IPC via named pipes) duplicate commits may
// not need to be enforced. Allow additional commit ID unique index be created/droped as desired.
using (var command = dialect.CreateCommand(detectDuplicateCommits ? dialect.EnsureDuplicateCommitsDetected : dialect.EnsureDuplicateCommitsSuppressed))
dialect.ExecuteNonQuery(command);
}
