private IMigrationBatch FetchMigrationsTo(ComposablePartCatalog catalog, long timestamp)
{
// import all migrations
DateTime start = DateTime.Now;
var timestampProviders = InitializeTimestampProviders(catalog, _options.ModuleSelector);
IEnumerable <ImportedMigration> availableMigrations = ImportAllMigrations(catalog, timestampProviders);
Log.Verbose(LogCategory.Performance, "Importing migrations took {0}s", (DateTime.Now - start).TotalSeconds);
// initialize command execution/scripting dispatching
ISqlDispatcher dispatcher = new SqlDispatcher(_options.ScriptingOptions, _provider, _providerMetadata);
// initialize versioning component and get executed migrations
IVersioning versioning = InitializeVersioning(catalog, dispatcher);
var executedMigrations = new List <IMigrationMetadata>(versioning.ExecutedMigrations);
// create migration batch
var migrationSelector = new MigrationSelector(availableMigrations, executedMigrations);
IEnumerable <ApplicableMigration> applicableMigrations;
IEnumerable <IMigrationMetadata> unidentifiedMigrations;
migrationSelector.GetMigrationsTo(timestamp, _options.ModuleSelector, out applicableMigrations, out unidentifiedMigrations);
return(new MigrationBatch(
// ReSharper disable RedundantEnumerableCastCall
applicableMigrations.Select(m => new MigrationStep(m.Implementation, m.Metadata, _connectionInfo, _provider, _providerMetadata, _dbConnectionFactory, dispatcher)).Cast <IMigrationStep>(),
// ReSharper restore RedundantEnumerableCastCall
unidentifiedMigrations,
versioning,
_options));
}
/// <summary>
/// Executes the migration step and updates the versioning information in one transaction.
/// </summary>
public void Execute(IVersioning versioning)
{
if (versioning == null) throw new ArgumentNullException("versioning");
DateTime start = DateTime.Now;
using (IDbConnection connection = _connectionFactory.OpenConnection(_connectionInfo))
{
Debug.Assert(connection.State == ConnectionState.Open);
using (IDbTransaction transaction = _connectionInfo.SupportsTransactions ? connection.BeginTransaction() : null)
{
IDbCommandExecutor executor;
using ((executor = _sqlDispatcher.CreateExecutor(string.Format(CultureInfo.InvariantCulture, "Migration.{0}.{1}", _metadata.ModuleName, _metadata.Timestamp))) as IDisposable)
{
Execute(connection, transaction, _metadata.Direction, executor);
// update versioning
versioning.Update(_metadata, connection, transaction, executor);
}
if (transaction != null)
{
transaction.Commit();
}
}
}
Log.Verbose(LogCategory.Performance, "Migration of module '{0}' to {1}{2} took {3}s",
_metadata.ModuleName,
_metadata.Timestamp,
!string.IsNullOrEmpty(_metadata.Tag) ? string.Format(CultureInfo.CurrentCulture, " '{0}'", _metadata.Tag) : string.Empty,
(DateTime.Now - start).TotalSeconds);
}
private IMigrationBatch FetchMigrationsTo(ContainerConfiguration containerConfiguration, long timestamp)
{
IVersioning versioning = InitializeVersioning(containerConfiguration);
IDictionary <string, IMigrationTimestampProvider> timestampProviders = InitializeTimestampProviders(containerConfiguration);
var importer = new MigrationImporter(containerConfiguration, timestampProviders);
var batchPreparer = new MigrationBatchPreparer(importer, versioning, Configuration);
return(batchPreparer.Prepare(timestamp, _options));
}
public MigrationBatch(
IEnumerable<IMigrationStep> upMigrations,
IEnumerable<IMigrationStep> downMigrations,
IVersioning versioning,
MigrationOptions options)
{
_upMigrations = upMigrations;
_downMigrations = downMigrations;
_versioning = versioning;
_options = options;
}
public MigrationBatch(
IEnumerable <IMigrationStep> migrations,
IEnumerable <IMigrationMetadata> unidentifiedMigrations,
IVersioning versioning,
IRuntimeConfiguration configuration)
{
_migrations = migrations.ToList();
_steps = new ReadOnlyCollection <IMigrationStepMetadata>(_migrations.Select(s => s.Metadata).ToList());
_unidentifiedMigrations = new ReadOnlyCollection <IMigrationMetadata>(unidentifiedMigrations.ToList());
_versioning = versioning;
_configuration = configuration;
}
public MigrationBatch(
IEnumerable<IMigrationStep> migrations,
IEnumerable<IMigrationMetadata> unidentifiedMigrations,
IVersioning versioning,
MigrationOptions options)
{
_migrations = migrations;
_scheduledMigrations = new ReadOnlyCollection<IScheduledMigrationMetadata>(_migrations.Select(s => s.Metadata).ToList());
_unidentifiedMigrations = new ReadOnlyCollection<IMigrationMetadata>(unidentifiedMigrations.ToList());
_versioning = versioning;
_options = options;
}
public MigrationBatch(
IEnumerable <IMigrationStep> migrations,
IEnumerable <IMigrationMetadata> unidentifiedMigrations,
IVersioning versioning,
MigrationOptions options)
{
_migrations = migrations;
_scheduledMigrations = new ReadOnlyCollection <IScheduledMigrationMetadata>(_migrations.Select(s => s.Metadata).ToList());
_unidentifiedMigrations = new ReadOnlyCollection <IMigrationMetadata>(unidentifiedMigrations.ToList());
_versioning = versioning;
_options = options;
}
public MigrationBatch(
IEnumerable<IMigrationStep> migrations,
IEnumerable<IMigrationMetadata> unidentifiedMigrations,
IVersioning versioning,
IRuntimeConfiguration configuration)
{
_migrations = migrations.ToList();
_steps = new ReadOnlyCollection<IMigrationStepMetadata>(_migrations.Select(s => s.Metadata).ToList());
_unidentifiedMigrations = new ReadOnlyCollection<IMigrationMetadata>(unidentifiedMigrations.ToList());
_versioning = versioning;
_configuration = configuration;
}
public void Execute(IRuntimeConfiguration configuration, IVersioning versioning)
{
if (versioning == null)
{
throw new ArgumentNullException("versioning");
}
DateTime start = DateTime.Now;
long timestamp = GetTimestamp();
string tag = GetTag();
using (IDbConnection connection = configuration.OpenConnection())
{
Debug.Assert(connection.State == ConnectionState.Open);
using (IDbTransaction transaction = configuration.ConnectionInfo.SupportsTransactions ? connection.BeginTransaction() : null)
{
IDbCommandExecutor executor;
using ((executor = configuration.SqlDispatcher.CreateExecutor(string.Format(CultureInfo.InvariantCulture, "Migration.{0}.{1}", Metadata.ModuleName, timestamp))) as IDisposable)
{
try
{
Execute(configuration.ProviderInfo, connection, transaction, Metadata.Direction, executor);
}
catch
{
Log.Error("An non-recoverable error occurred in migration '{0}'{1}{2} while executing {3}.",
timestamp,
Metadata.ModuleName != MigrationExportAttribute.DefaultModuleName ? " in module '" + Metadata.ModuleName + "'" : string.Empty,
tag,
Metadata.Direction);
throw;
}
// update versioning
versioning.Update(Metadata, connection, transaction, executor);
}
if (transaction != null)
{
transaction.Commit();
}
}
}
Log.Verbose(LogCategory.Performance, "Migration of module '{0}' to {1}{2} took {3}s",
Metadata.ModuleName,
timestamp,
tag,
(DateTime.Now - start).TotalSeconds);
}
/// <summary>
/// Injects a custom version mechanism.
/// </summary>
public void UseCustomVersioning(IVersioning customVersioning)
{
if (customVersioning == null)
{
throw new ArgumentNullException("customVersioning");
}
if (_customBootstrapper != null)
{
throw new InvalidOperationException("Either use custom versioning or custom bootstrapping.");
}
_customVersioning = customVersioning;
}
public static void InterfaceWithInheritanceImplementationForIDisposable()
{
using (var managedPtr = new ManagedWrapper())
{
//Unmanaged code is passed managedPtr.Ptr
}
using (var derived = new DerivedManagedWrapper())
{
ExternalInterfaceImplementation eimi = new ExternalInterfaceImplementation();
//Can NOT call eimi.Version.
IVersioning iVer = eimi;
Console.WriteLine(iVer.Version);
}
}
public void Execute(IRuntimeConfiguration configuration, IVersioning versioning)
{
if (versioning == null) throw new ArgumentNullException("versioning");
DateTime start = DateTime.Now;
long timestamp = GetTimestamp();
string tag = GetTag();
using (IDbConnection connection = configuration.OpenConnection())
{
Debug.Assert(connection.State == ConnectionState.Open);
using (IDbTransaction transaction = configuration.ConnectionInfo.SupportsTransactions ? connection.BeginTransaction() : null)
{
IDbCommandExecutor executor;
using ((executor = configuration.SqlDispatcher.CreateExecutor(string.Format(CultureInfo.InvariantCulture, "Migration.{0}.{1}", Metadata.ModuleName, timestamp))) as IDisposable)
{
try
{
Execute(configuration.ProviderInfo, connection, transaction, Metadata.Direction, executor);
}
catch
{
Log.Error("An non-recoverable error occurred in migration '{0}'{1}{2} while executing {3}.",
timestamp,
Metadata.ModuleName != MigrationExportAttribute.DefaultModuleName ? " in module '" + Metadata.ModuleName + "'" : string.Empty,
tag,
Metadata.Direction);
throw;
}
// update versioning
versioning.Update(Metadata, connection, transaction, executor);
}
if (transaction != null)
{
transaction.Commit();
}
}
}
Log.Verbose(LogCategory.Performance, "Migration of module '{0}' to {1}{2} took {3}s",
Metadata.ModuleName,
timestamp,
tag,
(DateTime.Now - start).TotalSeconds);
}
public void VerifyValidationErrorsResultInException()
{
IMigrationStep step = MockRepository.GenerateStub <IMigrationStep>();
step.Expect(s => s.Metadata).Return(new Metadata1());
IMigrationReport erroneousReport = CreateMigrationReport();
erroneousReport.Expect(r => r.Error).Return("Some test failure...");
step.Expect(s => s.Report(null)).IgnoreArguments().Return(erroneousReport);
IMigrationStep[] steps = new[]
{
step,
};
IVersioning versioning = MockRepository.GenerateStub <IVersioning>();
MigrationBatch batch = new MigrationBatch(steps, Enumerable.Empty <IMigrationMetadata>(), versioning, new MigrationOptions());
batch.Execute();
Assert.IsTrue(batch.IsExecuted);
}
/// <summary>
/// Executes the migration step and updates the versioning information in one transaction.
/// </summary>
public void Execute(IVersioning versioning)
{
if (versioning == null)
{
throw new ArgumentNullException("versioning");
}
DateTime start = DateTime.Now;
using (IDbConnection connection = _connectionFactory.OpenConnection(_connectionInfo))
{
Debug.Assert(connection.State == ConnectionState.Open);
using (IDbTransaction transaction = _connectionInfo.SupportsTransactions ? connection.BeginTransaction() : null)
{
IDbCommandExecutor executor;
using ((executor = _sqlDispatcher.CreateExecutor(string.Format(CultureInfo.InvariantCulture, "Migration.{0}.{1}", _metadata.ModuleName, _metadata.Timestamp))) as IDisposable)
{
Execute(connection, transaction, _metadata.Direction, executor);
// update versioning
versioning.Update(_metadata, connection, transaction, executor);
}
if (transaction != null)
{
transaction.Commit();
}
}
}
Log.Verbose(LogCategory.Performance, "Migration of module '{0}' to {1}{2} took {3}s",
_metadata.ModuleName,
_metadata.Timestamp,
!string.IsNullOrEmpty(_metadata.Tag) ? string.Format(CultureInfo.CurrentCulture, " '{0}'", _metadata.Tag) : string.Empty,
(DateTime.Now - start).TotalSeconds);
}
public void VerifyStepExecutedAndStepExecutingAreRaised()
{
IMigrationStep step = MockRepository.GenerateStub <IMigrationStep>();
var metadata = new Metadata1();
step.Expect(s => s.Metadata).Return(metadata);
step.Expect(s => s.Report(null)).IgnoreArguments().Return(CreateMigrationReport());
IMigrationStep[] steps = new[]
{
step,
};
IVersioning versioning = MockRepository.GenerateStub <IVersioning>();
var batch = new MigrationBatch(steps, Enumerable.Empty <IMigrationMetadata>(), versioning, new MigrationOptions());
Assert.AreSame(metadata, batch.ScheduledMigrations[0], "The batch should expose the metadata of the step."); // this is tested to allow for the undocumented feature test below
int countExecutingEvent = 0;
int countExecutedEvent = 0;
batch.StepExecuting += (sender, args) =>
{
// note: the following assertion tests an undocumented feature
Assert.AreSame(metadata, args.Metadata, "The event should carry the same metadata that is in the ScheduleMigrations collection.");
countExecutingEvent++;
};
batch.StepExecuted += (sender, args) =>
{
// note: the following assertion tests an undocumented feature
Assert.AreSame(metadata, args.Metadata, "The event should carry the same metadata that is in the ScheduleMigrations collection.");
countExecutedEvent++;
};
batch.Execute();
Assert.IsTrue(batch.IsExecuted);
Assert.AreEqual(steps.Length, countExecutingEvent);
Assert.AreEqual(steps.Length, countExecutedEvent);
}
public MigrationBatchPreparer(IMigrationImporter importer, IVersioning versioning, IRuntimeConfiguration configuration)
{
_importer = importer;
_versioning = versioning;
_configuration = configuration;
}
public MigrationBatchPreparer(IMigrationImporter importer, IVersioning versioning, IRuntimeConfiguration configuration)
{
_importer = importer;
_versioning = versioning;
_configuration = configuration;
}
