// 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));
}
/// <summary>
/// Removes the specified set of entities.
/// </summary>
/// <typeparam name="T">Entity type.</typeparam>
/// <param name="entities">The entities.</param>
/// <exception cref="ReferentialIntegrityException">
/// Entity is associated with another entity with <see cref="OnRemoveAction.Deny"/> on-remove action.
/// </exception>
public void Remove <T>([InstantHandle] IEnumerable <T> entities)
where T : IEntity
{
using (var tx = OpenAutoTransaction()) {
RemovalProcessor.Remove(entities.Cast <Entity>().ToList(), EntityRemoveReason.User);
tx.Complete();
}
}
/// <summary>
/// Processes changes
/// </summary>
private void ProcessChanges(bool inPlayMode)
{
/* Calculating the single step change */
_stepDelta = HierarchyComparer.Compare(
_oldHierarchy,
_newHierarchy
);
#if DEBUG
if (DebugMode)
{
Debug.Log(_stepDelta);
}
#endif
//Debug.Log(delta);
/**
* 2. Handle additions
* a) Instantiate component
* b) Record transform addition
* */
if (inPlayMode)
{
/**
* 1. PLAY mode
* Leaving the processing to persistence logic
* */
/**
* In play mode we need a full delta, so we will be able to re-apply it
* after the play mode is stopped
* Tracking full delta with each change, because we don't know when
* will be the last chance to track it before stopping the play mode
* */
_fullDelta = HierarchyComparer.Compare(
_originalHierarchy,
_newHierarchy
);
/**
* IMPORTANT:
* This was the source of the quite performance killing recursive bug
* If this processing take place in play mode, OnHierarchyChange fires in each consequent frame, without ever stopping
* TODO: do a special logic for reordering items in play mode
* */
AdditionProcessor.Process(_stepDelta.TopLevelAdditions, _stepDelta.Additions);
RemovalProcessor.Process(_stepDelta.Removals);
MovesProcessor.Process(_stepDelta.Moves);
/**
* Accumulate delta
* */
PersistenceManager.Instance.Delta = _fullDelta; //.Reset(); // TEMP -> create a direct Delta setter
//PersistenceManager.Instance.Delta.Accumulate(_fullDelta);
}
else
{
/**
* 2. EDIT mode
* In edit mode, so handling the ordering information immediatelly
* Note: the ordering information is all that has to be processed when adding a new component
* or a prefab in Edit mode - other things (parent-child relationship etc.) is handled by Unity
* */
EditModeAdditionsProcessor.Process(_stepDelta.TopLevelAdditions);
EditModeRemovalProcessor.Process(_stepDelta.TopLevelRemovals);
EditModeMovesProcessor.Process(_stepDelta.Moves);
}
_stepDelta.Reset();
// save the current hierarchy
_oldHierarchy = _newHierarchy;
EditorState.Instance.Adapter = ComponentRegistry.Instance.Get(EditorState.Instance.AdapterId, true) as ComponentAdapter;
ChangesProcessedSignal.Emit();
}
