/// <summary>
/// Adds a new snapshot to the snapshot store, keeping all existing snapshots.
/// </summary>
/// <param name="snapshot">The snapshot to append to the snapshot store.</param>
private void InsertSnapshot(Snapshot snapshot)
{
var state = serializer.Serialize(snapshot.State);
using (var command = dialect.CreateCommand(dialect.InsertSnapshot))
{
Log.Trace("Inserting stream {0} snapshot for version {1}", snapshot.StreamId, snapshot.Version);
command.Parameters.Add(dialect.CreateStreamIdParameter(snapshot.StreamId));
command.Parameters.Add(dialect.CreateVersionParameter(snapshot.Version));
command.Parameters.Add(dialect.CreateStateParameter(state));
dialect.ExecuteNonQuery(command);
}
}
/// <summary>
/// Creates a <see cref="DataTable"/> based on the required insert/update command parameters.
/// </summary>
private static DbBatchOperation CreateBuffer(IStoreSnapshotSettings settings, ISnapshotStoreDialect dialect)
{
using (var command = dialect.CreateCommand(settings.ReplaceExisting ? dialect.ReplaceSnapshot : dialect.InsertSnapshot))
{
command.Parameters.Add(dialect.CreateStreamIdParameter(default(Guid)));
command.Parameters.Add(dialect.CreateVersionParameter(default(Int32)));
command.Parameters.Add(dialect.CreateStateParameter(default(Byte[])));
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(IStoreSnapshotSettings settings, ISnapshotStoreDialect dialect)
{
using (var command = dialect.CreateCommand(settings.ReplaceExisting ? dialect.ReplaceSnapshot : dialect.InsertSnapshot))
{
command.Parameters.Add(dialect.CreateStreamIdParameter(default(Guid)));
command.Parameters.Add(dialect.CreateVersionParameter(default(Int32)));
command.Parameters.Add(dialect.CreateStateParameter(default(Byte[])));
return new DbBatchOperation(dialect, command, settings.BatchSize, settings.FlushInterval);
}
}