/// <summary>
/// Register the "hydrated" state of an entity instance, after the first step of 2-phase loading.
///
/// Add the "hydrated state" (an array) of an uninitialized entity to the session. We don't try
/// to resolve any associations yet, because there might be other entities waiting to be
/// read from the JDBC result set we are currently processing
/// </summary>
public static void PostHydrate(IEntityPersister persister, object id, object[] values, object rowId, object obj, LockMode lockMode, bool lazyPropertiesAreUnfetched, ISessionImplementor session)
{
object version = Versioning.GetVersion(values, persister);
session.PersistenceContext.AddEntry(obj, Status.Loading, values, rowId, id, version, lockMode, true, persister, false, lazyPropertiesAreUnfetched);
if (log.IsDebugEnabled && version != null)
{
System.String versionStr = persister.IsVersioned ? persister.VersionType.ToLoggableString(version, session.Factory) : "null";
log.Debug("Version: " + versionStr);
}
}
/// <summary>
/// Perform the second step of 2-phase load. Fully initialize the entity instance.
/// After processing a JDBC result set, we "resolve" all the associations
/// between the entities which were instantiated and had their state
/// "hydrated" into an array
/// </summary>
internal static void InitializeEntity(object entity, bool readOnly, ISessionImplementor session, PreLoadEvent preLoadEvent, PostLoadEvent postLoadEvent,
Action <IEntityPersister, CachePutData> cacheBatchingHandler)
{
//TODO: Should this be an InitializeEntityEventListener??? (watch out for performance!)
bool statsEnabled = session.Factory.Statistics.IsStatisticsEnabled;
var stopWath = new Stopwatch();
if (statsEnabled)
{
stopWath.Start();
}
IPersistenceContext persistenceContext = session.PersistenceContext;
EntityEntry entityEntry = persistenceContext.GetEntry(entity);
if (entityEntry == null)
{
throw new AssertionFailure("possible non-threadsafe access to the session");
}
IEntityPersister persister = entityEntry.Persister;
object id = entityEntry.Id;
object[] hydratedState = entityEntry.LoadedState;
if (log.IsDebugEnabled())
{
log.Debug("resolving associations for {0}", MessageHelper.InfoString(persister, id, session.Factory));
}
IType[] types = persister.PropertyTypes;
var collectionToResolveIndexes = new List <int>(hydratedState.Length);
for (int i = 0; i < hydratedState.Length; i++)
{
object value = hydratedState[i];
if (!Equals(LazyPropertyInitializer.UnfetchedProperty, value) && !(Equals(BackrefPropertyAccessor.Unknown, value)))
{
if (types[i].IsCollectionType)
{
// Resolve them last, because they may depend on other properties if they use a property-ref
collectionToResolveIndexes.Add(i);
continue;
}
hydratedState[i] = types[i].ResolveIdentifier(value, session, entity);
}
}
foreach (var i in collectionToResolveIndexes)
{
hydratedState[i] = types[i].ResolveIdentifier(hydratedState[i], session, entity);
}
//Must occur after resolving identifiers!
if (session.IsEventSource)
{
preLoadEvent.Entity = entity;
preLoadEvent.State = hydratedState;
preLoadEvent.Id = id;
preLoadEvent.Persister = persister;
IPreLoadEventListener[] listeners = session.Listeners.PreLoadEventListeners;
for (int i = 0; i < listeners.Length; i++)
{
listeners[i].OnPreLoad(preLoadEvent);
}
}
persister.SetPropertyValues(entity, hydratedState);
ISessionFactoryImplementor factory = session.Factory;
if (persister.HasCache && session.CacheMode.HasFlag(CacheMode.Put))
{
if (log.IsDebugEnabled())
{
log.Debug("adding entity to second-level cache: {0}", MessageHelper.InfoString(persister, id, session.Factory));
}
object version = Versioning.GetVersion(hydratedState, persister);
CacheEntry entry =
CacheEntry.Create(hydratedState, persister, version, session, entity);
CacheKey cacheKey = session.GenerateCacheKey(id, persister.IdentifierType, persister.RootEntityName);
if (cacheBatchingHandler != null && persister.IsBatchLoadable)
{
cacheBatchingHandler(
persister,
new CachePutData(
cacheKey,
persister.CacheEntryStructure.Structure(entry),
version,
persister.IsVersioned ? persister.VersionType.Comparator : null,
UseMinimalPuts(session, entityEntry)));
}
else
{
bool put =
persister.Cache.Put(cacheKey, persister.CacheEntryStructure.Structure(entry), session.Timestamp, version,
persister.IsVersioned ? persister.VersionType.Comparator : null,
UseMinimalPuts(session, entityEntry));
if (put && factory.Statistics.IsStatisticsEnabled)
{
factory.StatisticsImplementor.SecondLevelCachePut(persister.Cache.RegionName);
}
}
}
bool isReallyReadOnly = readOnly;
if (!persister.IsMutable)
{
isReallyReadOnly = true;
}
else
{
object proxy = persistenceContext.GetProxy(entityEntry.EntityKey);
if (proxy != null)
{
// there is already a proxy for this impl
// only set the status to read-only if the proxy is read-only
isReallyReadOnly = ((INHibernateProxy)proxy).HibernateLazyInitializer.ReadOnly;
}
}
if (isReallyReadOnly)
{
//no need to take a snapshot - this is a
//performance optimization, but not really
//important, except for entities with huge
//mutable property values
persistenceContext.SetEntryStatus(entityEntry, Status.ReadOnly);
}
else
{
//take a snapshot
TypeHelper.DeepCopy(hydratedState, persister.PropertyTypes, persister.PropertyUpdateability, hydratedState, session);
persistenceContext.SetEntryStatus(entityEntry, Status.Loaded);
}
persister.AfterInitialize(entity, session);
if (session.IsEventSource)
{
postLoadEvent.Entity = entity;
postLoadEvent.Id = id;
postLoadEvent.Persister = persister;
IPostLoadEventListener[] listeners = session.Listeners.PostLoadEventListeners;
for (int i = 0; i < listeners.Length; i++)
{
listeners[i].OnPostLoad(postLoadEvent);
}
}
if (log.IsDebugEnabled())
{
log.Debug("done materializing entity {0}", MessageHelper.InfoString(persister, id, session.Factory));
}
if (statsEnabled)
{
stopWath.Stop();
factory.StatisticsImplementor.LoadEntity(persister.EntityName, stopWath.Elapsed);
}
}
/// <summary>
/// Perform the second step of 2-phase load. Fully initialize the entity instance.
/// After processing a JDBC result set, we "resolve" all the associations
/// between the entities which were instantiated and had their state
/// "hydrated" into an array
/// </summary>
public static async Task InitializeEntityAsync(object entity, bool readOnly, ISessionImplementor session, PreLoadEvent preLoadEvent, PostLoadEvent postLoadEvent, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
//TODO: Should this be an InitializeEntityEventListener??? (watch out for performance!)
bool statsEnabled = session.Factory.Statistics.IsStatisticsEnabled;
var stopWath = new Stopwatch();
if (statsEnabled)
{
stopWath.Start();
}
IPersistenceContext persistenceContext = session.PersistenceContext;
EntityEntry entityEntry = persistenceContext.GetEntry(entity);
if (entityEntry == null)
{
throw new AssertionFailure("possible non-threadsafe access to the session");
}
IEntityPersister persister = entityEntry.Persister;
object id = entityEntry.Id;
object[] hydratedState = entityEntry.LoadedState;
if (log.IsDebugEnabled)
{
log.Debug("resolving associations for " + MessageHelper.InfoString(persister, id, session.Factory));
}
IType[] types = persister.PropertyTypes;
for (int i = 0; i < hydratedState.Length; i++)
{
object value = hydratedState[i];
if (!Equals(LazyPropertyInitializer.UnfetchedProperty, value) && !(Equals(BackrefPropertyAccessor.Unknown, value)))
{
hydratedState[i] = await(types[i].ResolveIdentifierAsync(value, session, entity, cancellationToken)).ConfigureAwait(false);
}
}
//Must occur after resolving identifiers!
if (session.IsEventSource)
{
preLoadEvent.Entity = entity;
preLoadEvent.State = hydratedState;
preLoadEvent.Id = id;
preLoadEvent.Persister = persister;
IPreLoadEventListener[] listeners = session.Listeners.PreLoadEventListeners;
for (int i = 0; i < listeners.Length; i++)
{
await(listeners[i].OnPreLoadAsync(preLoadEvent, cancellationToken)).ConfigureAwait(false);
}
}
persister.SetPropertyValues(entity, hydratedState);
ISessionFactoryImplementor factory = session.Factory;
if (persister.HasCache && session.CacheMode.HasFlag(CacheMode.Put))
{
if (log.IsDebugEnabled)
{
log.Debug("adding entity to second-level cache: " + MessageHelper.InfoString(persister, id, session.Factory));
}
object version = Versioning.GetVersion(hydratedState, persister);
CacheEntry entry =
new CacheEntry(hydratedState, persister, entityEntry.LoadedWithLazyPropertiesUnfetched, version, session, entity);
CacheKey cacheKey = session.GenerateCacheKey(id, persister.IdentifierType, persister.RootEntityName);
bool put =
await(persister.Cache.PutAsync(cacheKey, persister.CacheEntryStructure.Structure(entry), session.Timestamp, version,
persister.IsVersioned ? persister.VersionType.Comparator : null,
UseMinimalPuts(session, entityEntry), cancellationToken)).ConfigureAwait(false);
if (put && factory.Statistics.IsStatisticsEnabled)
{
factory.StatisticsImplementor.SecondLevelCachePut(persister.Cache.RegionName);
}
}
bool isReallyReadOnly = readOnly;
if (!persister.IsMutable)
{
isReallyReadOnly = true;
}
else
{
object proxy = persistenceContext.GetProxy(entityEntry.EntityKey);
if (proxy != null)
{
// there is already a proxy for this impl
// only set the status to read-only if the proxy is read-only
isReallyReadOnly = ((INHibernateProxy)proxy).HibernateLazyInitializer.ReadOnly;
}
}
if (isReallyReadOnly)
{
//no need to take a snapshot - this is a
//performance optimization, but not really
//important, except for entities with huge
//mutable property values
persistenceContext.SetEntryStatus(entityEntry, Status.ReadOnly);
}
else
{
//take a snapshot
TypeHelper.DeepCopy(hydratedState, persister.PropertyTypes, persister.PropertyUpdateability, hydratedState, session);
persistenceContext.SetEntryStatus(entityEntry, Status.Loaded);
}
persister.AfterInitialize(entity, entityEntry.LoadedWithLazyPropertiesUnfetched, session);
if (session.IsEventSource)
{
postLoadEvent.Entity = entity;
postLoadEvent.Id = id;
postLoadEvent.Persister = persister;
IPostLoadEventListener[] listeners = session.Listeners.PostLoadEventListeners;
for (int i = 0; i < listeners.Length; i++)
{
listeners[i].OnPostLoad(postLoadEvent);
}
}
if (log.IsDebugEnabled)
{
log.Debug("done materializing entity " + MessageHelper.InfoString(persister, id, session.Factory));
}
if (statsEnabled)
{
stopWath.Stop();
factory.StatisticsImplementor.LoadEntity(persister.EntityName, stopWath.Elapsed);
}
}
/// <summary>
/// Perform the second step of 2-phase load. Fully initialize the entity instance.
/// After processing a JDBC result set, we "resolve" all the associations
/// between the entities which were instantiated and had their state
/// "hydrated" into an array
/// </summary>
public static void InitializeEntity(object entity, bool readOnly, ISessionImplementor session, PreLoadEvent preLoadEvent, PostLoadEvent postLoadEvent)
{
//TODO: Should this be an InitializeEntityEventListener??? (watch out for performance!)
bool statsEnabled = session.Factory.Statistics.IsStatisticsEnabled;
var stopWath = new Stopwatch();
if (statsEnabled)
{
stopWath.Start();
}
IPersistenceContext persistenceContext = session.PersistenceContext;
EntityEntry entityEntry = persistenceContext.GetEntry(entity);
if (entityEntry == null)
{
throw new AssertionFailure("possible non-threadsafe access to the session");
}
IEntityPersister persister = entityEntry.Persister;
object id = entityEntry.Id;
object[] hydratedState = entityEntry.LoadedState;
if (log.IsDebugEnabled)
{
log.Debug("resolving associations for " + MessageHelper.InfoString(persister, id, session.Factory));
}
IType[] types = persister.PropertyTypes;
for (int i = 0; i < hydratedState.Length; i++)
{
object value = hydratedState[i];
if (value != LazyPropertyInitializer.UnfetchedProperty && value != BackrefPropertyAccessor.Unknown)
{
hydratedState[i] = types[i].ResolveIdentifier(value, session, entity);
}
}
//Must occur after resolving identifiers!
if (session.IsEventSource)
{
preLoadEvent.Entity = entity;
preLoadEvent.State = hydratedState;
preLoadEvent.Id = id;
preLoadEvent.Persister = persister;
IPreLoadEventListener[] listeners = session.Listeners.PreLoadEventListeners;
for (int i = 0; i < listeners.Length; i++)
{
listeners[i].OnPreLoad(preLoadEvent);
}
}
persister.SetPropertyValues(entity, hydratedState, session.EntityMode);
ISessionFactoryImplementor factory = session.Factory;
if (persister.HasCache && ((session.CacheMode & CacheMode.Put) == CacheMode.Put))
{
if (log.IsDebugEnabled)
{
log.Debug("adding entity to second-level cache: " + MessageHelper.InfoString(persister, id, session.Factory));
}
object version = Versioning.GetVersion(hydratedState, persister);
CacheEntry entry =
new CacheEntry(hydratedState, persister, entityEntry.LoadedWithLazyPropertiesUnfetched, version, session, entity);
CacheKey cacheKey = new CacheKey(id, persister.IdentifierType, persister.RootEntityName, session.EntityMode, session.Factory);
bool put =
persister.Cache.Put(cacheKey, persister.CacheEntryStructure.Structure(entry), session.Timestamp, version,
persister.IsVersioned ? persister.VersionType.Comparator : null,
UseMinimalPuts(session, entityEntry));
if (put && factory.Statistics.IsStatisticsEnabled)
{
factory.StatisticsImplementor.SecondLevelCachePut(persister.Cache.RegionName);
}
}
if (readOnly || !persister.IsMutable)
{
//no need to take a snapshot - this is a
//performance optimization, but not really
//important, except for entities with huge
//mutable property values
persistenceContext.SetEntryStatus(entityEntry, Status.ReadOnly);
}
else
{
//take a snapshot
TypeFactory.DeepCopy(hydratedState, persister.PropertyTypes, persister.PropertyUpdateability, hydratedState, session);
persistenceContext.SetEntryStatus(entityEntry, Status.Loaded);
}
persister.AfterInitialize(entity, entityEntry.LoadedWithLazyPropertiesUnfetched, session);
if (session.IsEventSource)
{
postLoadEvent.Entity = entity;
postLoadEvent.Id = id;
postLoadEvent.Persister = persister;
IPostLoadEventListener[] listeners = session.Listeners.PostLoadEventListeners;
for (int i = 0; i < listeners.Length; i++)
{
listeners[i].OnPostLoad(postLoadEvent);
}
}
if (log.IsDebugEnabled)
{
log.Debug("done materializing entity " + MessageHelper.InfoString(persister, id, session.Factory));
}
if (statsEnabled)
{
stopWath.Stop();
factory.StatisticsImplementor.LoadEntity(persister.EntityName, stopWath.Elapsed);
}
}