private void RemoveMigration(IMigration migration, MigrationAttribute attr) {
// we're removing this one
_logger.MigrateDown(Current, migration.Name);
if (! DryRun) {
migration.Down();
_provider.MigrationUnApplied(attr.Version);
_provider.Commit();
migration.AfterDown();
}
}
private void RemoveMigration(IMigration migration, MigrationAttribute attr)
{
// we're removing this one
_logger.MigrateDown(Current, migration.Name);
if (!DryRun)
{
migration.Down();
_provider.MigrationUnApplied(attr.Version);
_provider.Commit();
migration.AfterDown();
}
}
/// <summary>
/// Performs the <see cref="IMigration.Down"/> action on the <paramref name="migration"/>.
/// </summary>
/// <param name="migration"></param>
private void Downgrade(IMigration migration)
{
try
{
migration.Down();
if (migration.ShouldDeleteMigration)
{
DeleteMigration(migration);
}
}
catch (Exception)
{
// TODO: log and/or roll up the actual sql that was used to perform the downgrade
throw;
}
}
void RemoveMigration(IMigration migration, MigrationAttribute attr)
{
// we're removing this one
_logger.MigrateDown(Current, migration.Name);
if (!DryRun)
{
var tProvider = _provider as TransformationProvider;
if (tProvider != null)
{
tProvider.CurrentMigration = migration;
}
migration.Down();
_provider.MigrationUnApplied(attr.Version, attr.Scope);
_provider.Commit();
migration.AfterDown();
}
}
/// <summary>
/// Applies the specified <paramref name="migration"/> within the
/// specified <paramref name="context"/>.
/// </summary>
/// <param name="migration">The migration to apply.</param>
/// <param name="direction">The migration direction.</param>
/// <param name="context">The context.</param>
protected virtual void ApplyMigration(IMigration migration, MigrationDirection direction, MigrationContext context)
{
//
// Notify environment
//
var beforeArgs = new BeforeMigrationEventArgs(migration.GetVersion(), migration, direction);
OnBeforeMigration(beforeArgs);
if (beforeArgs.Cancel) throw new Exception("environment cancelled migration");
//
// Generate model
//
Database model = new Database(context);
//
// Send SQL statements on flush notification
//
model.FlushChanges += delegate(object sender, EventArgs e)
{
foreach (string sql in context.SqlProvider.GenerateSqlCommands(model))
{
// Notify environment
var beforeSqlArgs = new BeforeSqlEventArgs(sql);
OnBeforeSql(beforeSqlArgs);
if (beforeSqlArgs.Cancel) throw new Exception("environment cancelled migration");
// Execute
SqlProcessor.ProcessMigrationStatement(context, sql);
// Notify environment
var afterSqlArgs = new AfterSqlEventArgs(sql, true);
OnAfterSql(afterSqlArgs);
}
};
//
// Run migration
//
if (direction == MigrationDirection.Up)
migration.Up(model);
else
migration.Down(model);
//
// Flush changes
//
model.Flush();
//
// Memorize migration
//
HistoryRepository.AddItem(context,
new MigrationHistoryItem()
{
Date = DateTime.Now,
Direction = direction,
Version = migration.GetVersion()
}
);
//
// Notify enviroment
//
var afterArgs = new AfterMigrationEventArgs(migration.GetVersion(), migration, direction, true);
OnAfterMigration(afterArgs);
}
/// <summary>
/// Applies the specified <paramref name="migration"/> within the
/// specified <paramref name="context"/>.
/// </summary>
/// <param name="migration">The migration to apply.</param>
/// <param name="direction">The migration direction.</param>
/// <param name="context">The context.</param>
protected virtual void ApplyMigration(IMigration migration, MigrationDirection direction, MigrationContext context)
{
//
// Notify environment
//
var beforeArgs = new BeforeMigrationEventArgs(migration.GetVersion(), migration, direction);
OnBeforeMigration(beforeArgs);
if (beforeArgs.Cancel)
{
throw new Exception("environment cancelled migration");
}
//
// Generate model
//
Database model = new Database(context);
//
// Send SQL statements on flush notification
//
model.FlushChanges += delegate(object sender, EventArgs e)
{
foreach (string sql in context.SqlProvider.GenerateSqlCommands(model))
{
// Notify environment
var beforeSqlArgs = new BeforeSqlEventArgs(sql);
OnBeforeSql(beforeSqlArgs);
if (beforeSqlArgs.Cancel)
{
throw new Exception("environment cancelled migration");
}
// Execute
SqlProcessor.ProcessMigrationStatement(context, sql);
// Notify environment
var afterSqlArgs = new AfterSqlEventArgs(sql, true);
OnAfterSql(afterSqlArgs);
}
};
//
// Run migration
//
if (direction == MigrationDirection.Up)
{
migration.Up(model);
}
else
{
migration.Down(model);
}
//
// Flush changes
//
model.Flush();
//
// Memorize migration
//
HistoryRepository.AddItem(context,
new MigrationHistoryItem()
{
Date = DateTime.Now,
Direction = direction,
Version = migration.GetVersion()
}
);
//
// Notify enviroment
//
var afterArgs = new AfterMigrationEventArgs(migration.GetVersion(), migration, direction, true);
OnAfterMigration(afterArgs);
}
public void Down()
{
_migration.Down();
}
private void RemoveMigration(IMigration migration, MigrationAttribute attr)
{
// we're removing this one
_logger.MigrateDown(Current, migration.Name);
if (! DryRun)
{
migration.Down();
var v = attr.GetVersion(migration.GetType());
_provider.MigrationUnApplied(v.Value, v.Key);
_provider.Commit();
migration.AfterDown();
}
}
void RemoveMigration(IMigration migration, MigrationAttribute attr)
{
// we're removing this one
_logger.MigrateDown(Current, migration.Name);
if (! DryRun)
{
var tProvider = _provider as TransformationProvider;
if (tProvider != null)
tProvider.CurrentMigration = migration;
migration.Down();
_provider.MigrationUnApplied(attr.Version, attr.Scope);
_provider.Commit();
migration.AfterDown();
}
}