public void CanGetImplementor()
{
using (IStatelessSession ss = Sfi.OpenStatelessSession())
{
Assert.That(ss.GetSessionImplementation(), Is.SameAs(ss));
}
}
public void CanGetImplementor()
{
using (IStatelessSession ss = sessions.OpenStatelessSession())
{
ss.GetSessionImplementation().Should().Be.SameInstanceAs(ss);
}
}
/// <summary>
/// Adds NHibernate classes required to support <see cref="NHibernateRepository{T,TId}" />,
/// <see cref="LinqRepository{TEntity,TId}" /> instantiation from container.
/// <para>
/// <see cref="ISessionFactory" /> and <see cref="ITransactionManager" /> are registered as Singleton.
/// </para>
/// <para>
/// <see cref="ISession" /> is registered as Scoped (e.g. per Http request for ASP.NET Core)
/// </para>
/// <para>
/// <see cref="IStatelessSession" /> is transient. Since it does not tracks state, there is no reason to share it.
/// Stateless session must be disposed by caller
/// as soon as it is not used anymore.
/// </para>
/// </summary>
/// <remarks>
/// Repository registration needs to be done separately.
/// </remarks>
/// <param name="services">Service collection.</param>
/// <param name="configureSessionFactory">
/// NHibernate session factory configuration.
/// Function should return <see cref="NHibernateSessionFactoryBuilder" /> instance,
/// <see cref="IServiceProvider" /> is passed to allow retrieval of configuration.
/// </param>
/// <param name="sessionConfigurator">Optional callback to configure new session options.</param>
/// <param name="statelessSessionConfigurator">Optional callback to configure new stateless session options.</param>
/// <returns>
/// <paramref name="services" />
/// </returns>
public static IServiceCollection AddNHibernateWithSingleDatabase(
this IServiceCollection services, Func <IServiceProvider, NHibernateSessionFactoryBuilder> configureSessionFactory,
Func <ISessionBuilder, IServiceProvider, ISession>?sessionConfigurator = null,
Func <IStatelessSessionBuilder, IServiceProvider, IStatelessSession>?statelessSessionConfigurator = null
)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
if (configureSessionFactory == null)
{
throw new ArgumentNullException(nameof(configureSessionFactory));
}
services.AddSingleton(sp =>
{
var logger = GetLogger(sp);
logger.Debug?.Log("Building session factory...");
var sfBuilder = configureSessionFactory(sp);
var sessionFactory = sfBuilder.BuildSessionFactory();
logger.Information?.Log("Build session factory {SessionFactoryId}", sessionFactory.GetHashCode());
return(sessionFactory);
});
services.AddScoped(sp =>
{
var sessionFactory = sp.GetRequiredService <ISessionFactory>();
ISession session = sessionConfigurator == null
? sessionFactory.OpenSession()
: sessionConfigurator(sessionFactory.WithOptions(), sp);
GetLogger(sp).Debug?.Log("Created Session {SessionId}", session.GetSessionImplementation().SessionId);
return(session);
});
services.AddScoped(sp =>
{
var sessionFactory = sp.GetRequiredService <ISessionFactory>();
IStatelessSession session = statelessSessionConfigurator == null
? sessionFactory.OpenStatelessSession()
: statelessSessionConfigurator(sessionFactory.WithStatelessOptions(), sp);
GetLogger(sp).Debug?.Log("Created stateless Session {SessionId}", session.GetSessionImplementation().SessionId);
return(session);
});
services.AddScoped <TransactionManager>();
services.AddTransient <INHibernateTransactionManager>(sp => sp.GetRequiredService <TransactionManager>());
services.AddTransient <ITransactionManager>(sp => sp.GetRequiredService <TransactionManager>());
return(services);
}
public static IEnumerable DeepClone(this IStatelessSession session, IEnumerable entities, DeepCloneOptions opts)
{
var collection = (IEnumerable)CreateNewCollection(entities.GetType());
var resolvedEntities = new Dictionary <object, object>();
foreach (var entity in entities)
{
AddItemToCollection(collection, DeepClone(session.GetSessionImplementation(), entity, opts, null, resolvedEntities));
}
return(collection);
}
private static void CancelQuery(IStatelessSession session)
{
try
{
ISessionImplementor sessionImplementor = session.GetSessionImplementation();
if (sessionImplementor != null && sessionImplementor.Batcher != null)
{
sessionImplementor.Batcher.CancelLastQuery();
}
}
catch (Exception)
{
// ignore
}
}
/// <summary>
/// Flush the batcher. When batching is enabled, a stateless session is no more fully stateless. It may retain
/// in its batcher some state waiting to be flushed to the database.
/// </summary>
/// <param name="session">The session.</param>
/// <param name="cancellationToken">A cancellation token that can be used to cancel the work</param>
public static Task FlushBatcherAsync(this IStatelessSession session, CancellationToken cancellationToken = default(CancellationToken))
{
if (cancellationToken.IsCancellationRequested)
{
return(Task.FromCanceled <object>(cancellationToken));
}
try
{
return(session.GetSessionImplementation().FlushAsync(cancellationToken));
}
catch (Exception ex)
{
return(Task.FromException <object>(ex));
}
}
IEnumerable <D> ImportTableData <T, D>(Func <IDataReader, D> action) where T : new()
{
using (var cmd = session.Connection.CreateCommand())
{
var persister = session.GetSessionImplementation().GetEntityPersister(null, new T()) as ILockable;
if (persister == null)
{
throw new NullReferenceException();
}
cmd.CommandType = CommandType.TableDirect;
cmd.CommandText = persister.RootTableName;
using (var reader = cmd.ExecuteReader())
{
while (reader.Read())
{
yield return(action(reader));
}
}
}
}
public static IQueryable <T> Query <T>(this IStatelessSession session, string entityName)
{
return(new NhQueryable <T>(session.GetSessionImplementation(), entityName));
}
public static IQueryable <T> Query <T>(this IStatelessSession session)
{
return(new NhQueryable <T>(session.GetSessionImplementation()));
}
private static string GetTenantId(IStatelessSession session)
{
return(session.GetSessionImplementation().GetTenantIdentifier());
}
/// <summary>
/// Flush the batcher. When batching is enabled, a stateless session is no more fully stateless. It may retain
/// in its batcher some state waiting to be flushed to the database.
/// </summary>
/// <param name="session">The session.</param>
public static void FlushBatcher(this IStatelessSession session)
{
session.GetSessionImplementation().Flush();
}
public static object DeepClone(this IStatelessSession session, object entity, System.Type entityType, DeepCloneOptions opts)
{
return(DeepClone(session.GetSessionImplementation(), entity, opts, entityType, new Dictionary <object, object>()));
}
public static T DeepClone <T>(this IStatelessSession session, T entity, DeepCloneOptions opts)
{
return((T)DeepClone(session.GetSessionImplementation(), entity, opts, null, new Dictionary <object, object>()));
}
public static IList <T> DeepClone <T>(this IStatelessSession session, IEnumerable <T> entities, DeepCloneOptions opts)
{
var resolvedEntities = new Dictionary <object, object>();
return(entities.Select(entity => (T)DeepClone(session.GetSessionImplementation(), entity, opts, null, resolvedEntities)).ToList());
}
public static IEnumerable <object> GetIds(IStatelessSession session, Type type, Query query)
{
return(GetIds(session.GetSessionImplementation(), type, query));
}
public static SearchFactoryImpl GetSearchFactory(this IStatelessSession s)
{
return(GetSearchFactory(s.GetSessionImplementation()));
}
// 6.0 TODO: consider if it should be added as a property on IStatelessSession then obsolete this, or if it should stay here as an extension method. /// <summary> /// Get the current transaction if any is ongoing, else <see langword="null" />. /// </summary> /// <param name="session">The session.</param> /// <returns>The current transaction or <see langword="null" />..</returns> public static ITransaction GetCurrentTransaction(this IStatelessSession session) => session.GetSessionImplementation().ConnectionManager.CurrentTransaction;
/// <summary>
/// Get an executable instance of <c>Criteria</c>,
/// to actually run the query.</summary>
public ICriteria GetExecutableCriteria(IStatelessSession session)
{
impl.Session = session.GetSessionImplementation();
return(impl);
}
public ISessionImplementor GetSessionImplementation()
{
return(_Session.GetSessionImplementation());
}
