public static IMigrationInfo GetMigrationInfoFor(Type migrationType)
{
var migrationAttribute = migrationType.GetOneAttribute<MigrationAttribute>();
Func<IMigration> migrationFunc = () => (IMigration)migrationType.Assembly.CreateInstance(migrationType.FullName);
var migrationInfo = new MigrationInfo(migrationAttribute.Version, migrationAttribute.Description, migrationAttribute.TransactionBehavior, migrationFunc);
foreach (MigrationTraitAttribute traitAttribute in migrationType.GetAllAttributes<MigrationTraitAttribute>())
migrationInfo.AddTrait(traitAttribute.Name, traitAttribute.Value);
return migrationInfo;
}
public static IMigrationInfo GetMigrationInfoFor(IMigration migration)
{
var migrationAttribute = migration.GetType().GetOneAttribute<MigrationAttribute>();
var migrationInfo = new MigrationInfo(migrationAttribute.Version, migrationAttribute.TransactionBehavior, migration);
foreach (MigrationTraitAttribute traitAttribute in migration.GetType().GetAllAttributes<MigrationTraitAttribute>())
migrationInfo.AddTrait(traitAttribute.Name, traitAttribute.Value);
return migrationInfo;
}
private static IMigrationInfo GetMigrationInfoFor(FluentMigrator.IMigration migration)
{
var migrationType = migration.GetType();
var migrationAttribute = migrationType.GetOneAttribute<MigrationAttribute>();
var chunSunMigration = migration as MigrationBase;
if (chunSunMigration == null)
throw new Exception("迁移提供程序必须继承自 \"" + typeof(MigrationBase).FullName + "\" 类型。");
var id = chunSunMigration.Feature.Descriptor.Id;
var version = migrationAttribute.Version;
var description = id + "_" + migrationAttribute.Description + "_" + migrationAttribute.Version;
var migrationInfo = new MigrationInfo(version, description, migrationAttribute.TransactionBehavior, () => migration);
var allAttributes = migrationType.GetAllAttributes<MigrationTraitAttribute>();
foreach (var traitAttribute in allAttributes)
migrationInfo.AddTrait(traitAttribute.Name, traitAttribute.Value);
return migrationInfo;
}
