public DataMigrator(DbContext context, DataMigrationOptions options)
{
_context = context;
_options = options;
var contextType = _context.GetType();
var migrationsType = typeof(IDataMigration <>).MakeGenericType(contextType);
MigrationsAssembly = string.IsNullOrEmpty(options.MigrationAssembly) ? contextType.Assembly : Assembly.Load(options.MigrationAssembly);
_localMigrations = MigrationsAssembly.GetTypes().Where(p => p.GetInterfaces().Any(x => migrationsType.IsAssignableFrom(x)))
.ToImmutableDictionary(GetMigrationId, p => p);
_invoker = _invokerCache.GetOrAdd(contextType, CreateInoker);
}
