private ISessionFactory BuildSessionFactory(global::NHibernate.Cfg.Configuration config, IDomainModuleGroup group)
{
SessionFactoryBuilder builder = new SessionFactoryBuilder();
IEnumerable<INHDomainModule> modules = group.Modules.OfType<INHDomainModule>();
modules.SelectMany(m => m.BuildListeners).ForEach(builder.RegisterBuildListener);
config.Properties["connection.connection_string"] = GetConnectionString(group);
return builder.Build(config);
}
public ISessionFactory Get(IDomainModuleGroup domainModuleGroup)
{
return GetByGroup(domainModuleGroup);
}
private ISessionFactory BuildSessionFactory(IDomainModuleGroup group)
{
#if DEBUG
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
#endif
global::NHibernate.Cfg.Configuration config;
ISessionFactory sessionFactory;
if (WarmStartCacheManager.IsUse)
{
WarmStartCacheManager.Reset();
WarmStartCacheManager.SetIdentifier(group.Name);
var dependentAssemblies = group.Modules
.SelectMany(g => g.AssemblyDependencies)
.Union(new [] { GetType().Assembly, typeof(IDomainModule).Assembly } )
.Distinct();
WarmStartCacheManager.SetDependentAssemblies(dependentAssemblies);
}
if (WarmStartCacheManager.IsUse && WarmStartCacheManager.IsAbleToWarmStart)
{
Log.Debug(this, "Warm start method used.");
config = WarmStartCacheManager.GetConfigFromCache();
sessionFactory = config.BuildSessionFactory();
}
else
{
config = new global::NHibernate.Cfg.Configuration();
sessionFactory = BuildSessionFactory(config, group);
}
Configurations.Add(sessionFactory, config);
if (WarmStartCacheManager.IsUse && !WarmStartCacheManager.IsAbleToWarmStart)
{
Log.Debug(this, "Config cached for warm start use.");
WarmStartCacheManager.CacheConfig(config);
}
#if DEBUG
stopwatch.Stop();
Log.Debug(this, string.Format("`{0}` session took {1:c}` seconds to build.", group.Name, stopwatch.Elapsed));
#endif
return sessionFactory;
}
protected string GetSessionKey(IDomainModuleGroup group)
{
return string.Format("NHibernateSessionFactory.{0}", group.Name);
}
protected string GetConnectionStringKey(IDomainModuleGroup group)
{
return string.Format("NHibernate.{0}", group.Name);
}
protected virtual string GetConnectionString(IDomainModuleGroup group)
{
var connectionStringEntry = ConfigurationManager.ConnectionStrings[GetConnectionStringKey(group)];
if (connectionStringEntry == null)
{
throw new Exception(string.Format("Cannot build ISessionFactory for group `{0}` because not connection string matching key `{1}` was found. Please add a connection string for and try again.", group.Name, GetConnectionStringKey(group)));
}
return connectionStringEntry.ConnectionString;
}
protected ISessionFactory GetByGroup(IDomainModuleGroup group)
{
var key = GetSessionKey(group);
if (!SessionFactories.ContainsKey(key))
{
SessionFactories.Add(key, BuildSessionFactory(group));
}
return SessionFactories[key];
}
