// IDisposable implementation
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
if (isDisposed)
{
return;
}
try {
OrmLog.Debug(Strings.LogSessionXDisposing, this);
SystemEvents.NotifyDisposing();
Events.NotifyDisposing();
Services.DisposeSafely();
Handler.DisposeSafely();
CommandProcessorContextProvider.DisposeSafely();
Domain.ReleaseSingleConnection();
disposableSet.DisposeSafely();
disposableSet = null;
EntityChangeRegistry.Clear();
EntitySetChangeRegistry.Clear();
EntityStateCache.Clear();
ReferenceFieldsChangesRegistry.Clear();
NonPairedReferencesRegistry.Clear();
}
finally {
isDisposed = true;
}
}
// Constructors
internal Session(Domain domain, SessionConfiguration configuration, bool activate)
: base(domain)
{
Guid = Guid.NewGuid();
IsDebugEventLoggingEnabled = OrmLog.IsLogged(LogLevel.Debug); // Just to cache this value
// Both Domain and Configuration are valid references here;
// Configuration is already locked
Configuration = configuration;
Name = configuration.Name;
identifier = Interlocked.Increment(ref lastUsedIdentifier);
CommandTimeout = configuration.DefaultCommandTimeout;
allowSwitching = configuration.Supports(SessionOptions.AllowSwitching);
// Handlers
Handlers = domain.Handlers;
Handler = CreateSessionHandler();
// Caches, registry
EntityStateCache = CreateSessionCache(configuration);
EntityChangeRegistry = new EntityChangeRegistry(this);
EntitySetChangeRegistry = new EntitySetChangeRegistry(this);
ReferenceFieldsChangesRegistry = new ReferenceFieldsChangesRegistry(this);
entitySetsWithInvalidState = new HashSet <EntitySetBase>();
// Events
EntityEvents = new EntityEventBroker();
Events = new SessionEventAccessor(this, false);
SystemEvents = new SessionEventAccessor(this, true);
// Etc.
PairSyncManager = new SyncManager(this);
RemovalProcessor = new RemovalProcessor(this);
pinner = new Pinner(this);
Operations = new OperationRegistry(this);
NonPairedReferencesRegistry = new NonPairedReferenceChangesRegistry(this);
CommandProcessorContextProvider = new CommandProcessorContextProvider(this);
// Validation context
ValidationContext = Configuration.Supports(SessionOptions.ValidateEntities)
? (ValidationContext) new RealValidationContext()
: new VoidValidationContext();
// Creating Services
Services = CreateServices();
disposableSet = new DisposableSet();
remapper = new KeyRemapper(this);
disableAutoSaveChanges = !configuration.Supports(SessionOptions.AutoSaveChanges);
// Perform activation
if (activate)
{
ActivateInternally();
}
// Query endpoint
SystemQuery = Query = new QueryEndpoint(new QueryProvider(this));
}
private async ValueTask DisposeImpl(bool isAsync)
{
if (isDisposed)
{
return;
}
sessionLifetimeToken.Expire();
try {
if (IsDebugEventLoggingEnabled)
{
OrmLog.Debug(Strings.LogSessionXDisposing, this);
}
SystemEvents.NotifyDisposing();
Events.NotifyDisposing();
Services.DisposeSafely();
if (isAsync)
{
await Handler.DisposeSafelyAsync().ConfigureAwait(false);
}
else
{
Handler.DisposeSafely();
}
CommandProcessorContextProvider.DisposeSafely();
Domain.ReleaseSingleConnection();
disposableSet.DisposeSafely();
disposableSet = null;
EntityChangeRegistry.Clear();
EntitySetChangeRegistry.Clear();
EntityStateCache.Clear();
ReferenceFieldsChangesRegistry.Clear();
NonPairedReferencesRegistry.Clear();
Extensions.Clear();
}
finally {
isDisposed = true;
}
}
