public void Up(MigrationDescriptor descriptor)
{
log.Debug("Run up migration", descriptor);
try
{
using (var session = DocumentStore.OpenSession())
{
descriptor.Status = MigrationStatus.Installing;
session.Store(descriptor);
session.SaveChanges();
}
IMigration migration;
if (TryCreateMigrationInstance(descriptor, out migration))
{
migration.Up();
}
using (var session = DocumentStore.OpenSession())
{
descriptor.Status = MigrationStatus.Installed;
session.Store(descriptor);
session.SaveChanges();
}
}
catch (Exception e)
{
log.ErrorException("Error runing up migration", e);
using (var session = DocumentStore.OpenSession())
{
descriptor.Messages.Add(new MigrationMessage(MigrationActionType.Up, e));
session.Store(descriptor);
session.SaveChanges();
}
}
}
private bool TryCreateMigrationInstance(MigrationDescriptor descriptor, out IMigration migration)
{
migration = null;
var result =
descriptor.MigrationTypeFullName != null &&
(migration = Activator.CreateInstance(MigrationsAssembly.FullName, descriptor.MigrationTypeFullName).Unwrap() as IMigration) != null;
if (result)
{
migration.DocumentStore = DocumentStore;
}
return(result);
}
private static MigrationDescriptor GetDescriptorWithUpdatedStatus(string key, Dictionary <string, MigrationDescriptor> validMigrations, Dictionary <string, MigrationDescriptor> installedMigrations)
{
MigrationDescriptor auxValid = null;
MigrationDescriptor auxInstalled = null;
if (!validMigrations.TryGetValue(key, out auxValid))
{
auxInstalled = installedMigrations[key];
auxInstalled.Status = MigrationStatus.InstalledObsolete;
}
else if (installedMigrations.TryGetValue(key, out auxInstalled))
{
auxValid.Status = auxInstalled.Status;
auxValid.Messages = auxInstalled.Messages;
}
return(auxValid ?? auxInstalled);
}
public void Down(MigrationDescriptor descriptor)
{
log.Debug("Run down migration", descriptor);
try
{
using (var session = DocumentStore.OpenSession())
{
descriptor.Status = MigrationStatus.Uninstalling;
session.Store(descriptor);
session.SaveChanges();
}
IMigration migration;
if (TryCreateMigrationInstance(descriptor, out migration))
{
migration.Down();
}
using (var session = DocumentStore.OpenSession())
{
var stored = session.Load <MigrationDescriptor>(descriptor.Id);
if (stored != null)
{
session.Delete(stored);
session.SaveChanges();
}
}
}
catch (Exception e)
{
log.ErrorException("Error runing down migration", e);
using (var session = DocumentStore.OpenSession())
{
descriptor.Messages.Add(new MigrationMessage(MigrationActionType.Down, e));
session.Store(descriptor);
session.SaveChanges();
}
}
}
public void Down(MigrationDescriptor descriptor)
{
log.Debug("Run down migration", descriptor);
try
{
using (var session = DocumentStore.OpenSession())
{
descriptor.Status = MigrationStatus.Uninstalling;
session.Store(descriptor);
session.SaveChanges();
}
IMigration migration;
if (TryCreateMigrationInstance(descriptor, out migration))
{
migration.Down();
}
using (var session = DocumentStore.OpenSession())
{
var stored = session.Load<MigrationDescriptor>(descriptor.Id);
if (stored != null)
{
session.Delete(stored);
session.SaveChanges();
}
}
}
catch (Exception e)
{
log.ErrorException("Error runing down migration", e);
using (var session = DocumentStore.OpenSession())
{
descriptor.Messages.Add(new MigrationMessage(MigrationActionType.Down, e));
session.Store(descriptor);
session.SaveChanges();
}
}
}
private bool TryCreateMigrationInstance(MigrationDescriptor descriptor, out IMigration migration)
{
migration = null;
var result =
descriptor.MigrationTypeFullName != null
&& (migration = Activator.CreateInstance(MigrationsAssembly.FullName, descriptor.MigrationTypeFullName).Unwrap() as IMigration) != null;
if (result)
{
migration.DocumentStore = DocumentStore;
}
return result;
}
public void Up(MigrationDescriptor descriptor)
{
log.Debug("Run up migration", descriptor);
try
{
using (var session = DocumentStore.OpenSession())
{
descriptor.Status = MigrationStatus.Installing;
session.Store(descriptor);
session.SaveChanges();
}
IMigration migration;
if (TryCreateMigrationInstance(descriptor, out migration))
{
migration.Up();
}
using (var session = DocumentStore.OpenSession())
{
descriptor.Status = MigrationStatus.Installed;
session.Store(descriptor);
session.SaveChanges();
}
}
catch (Exception e)
{
log.ErrorException("Error runing up migration", e);
using (var session = DocumentStore.OpenSession())
{
descriptor.Messages.Add(new MigrationMessage(MigrationActionType.Up, e));
session.Store(descriptor);
session.SaveChanges();
}
}
}
