public bool RequiresDirtyCheck(object entity)
{
return
(IsModifiableEntity() &&
(Persister.HasMutableProperties || !FieldInterceptionHelper.IsInstrumented(entity) ||
FieldInterceptionHelper.ExtractFieldInterceptor(entity).IsDirty));
}
/// <summary>
/// Check for a <see cref="PersistentClass"/> if is enhanced for lazy loading.
/// NOTE: The logic was taken from <see cref="EntityMetamodel"/>.
/// </summary>
/// <param name="persistentClass">The persistent class to check.</param>
/// <returns>Whether the persistent class is enhanced for lazy loading or not.</returns>
private static bool IsEnhancedForLazyLoading(PersistentClass persistentClass)
{
var lazyAvailable = persistentClass.HasPocoRepresentation &&
FieldInterceptionHelper.IsInstrumented(persistentClass.MappedClass);
var lazy = persistentClass.IsLazy && (!persistentClass.HasPocoRepresentation ||
!ReflectHelper.IsFinalClass(persistentClass.ProxyInterface));
lazyAvailable &= lazy;
if (!lazyAvailable)
{
return(false);
}
foreach (var prop in persistentClass.PropertyIterator)
{
// NH: A lazy property is a simple property marked with lazy=true
var islazyProperty = prop.IsLazy && (!prop.IsEntityRelation || prop.UnwrapProxy);
// NH: A Relation (in this case many-to-one or one-to-one) marked as "no-proxy"
var isUnwrapProxy = prop.UnwrapProxy;
if (islazyProperty || isUnwrapProxy)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Check if the property is initialized. If the named property does not exist
/// or is not persistent, this method always returns <tt>true</tt>.
/// </summary>
/// <param name="proxy">The potential proxy </param>
/// <param name="propertyName">the name of a persistent attribute of the object </param>
/// <returns>
/// true if the named property of the object is not listed as uninitialized;
/// false if the object is an uninitialized proxy, or the named property is uninitialized
/// </returns>
public static bool IsPropertyInitialized(object proxy, string propertyName)
{
object entity;
if (proxy is INHibernateProxy)
{
ILazyInitializer li = ((INHibernateProxy)proxy).HibernateLazyInitializer;
if (li.IsUninitialized)
{
return(false);
}
else
{
entity = li.GetImplementation();
}
}
else
{
entity = proxy;
}
if (FieldInterceptionHelper.IsInstrumented(entity))
{
IFieldInterceptor interceptor = FieldInterceptionHelper.ExtractFieldInterceptor(entity);
return(interceptor == null || interceptor.IsInitializedField(propertyName));
}
else
{
return(true);
}
}
private void MarkInterceptorDirty(object entity, IEntityPersister persister, IEventSource source)
{
if (FieldInterceptionHelper.IsInstrumented(entity))
{
IFieldInterceptor interceptor = FieldInterceptionHelper.InjectFieldInterceptor(entity, persister.EntityName, persister.GetMappedClass(source.EntityMode), null, null, source);
interceptor.MarkDirty();
}
}
public override void AfterInitialize(object entity, bool lazyPropertiesAreUnfetched, ISessionImplementor session)
{
if (IsInstrumented && (EntityMetamodel.HasLazyProperties || EntityMetamodel.HasUnwrapProxyForProperties))
{
HashSet <string> lazyProps = lazyPropertiesAreUnfetched && EntityMetamodel.HasLazyProperties ? new HashSet <string>(lazyPropertyNames) : null;
FieldInterceptionHelper.InjectFieldInterceptor(entity, EntityName, this.MappedClass, lazyProps, unwrapProxyPropertyNames, session);
}
}
public override void AfterInitialize(object entity, bool lazyPropertiesAreUnfetched, ISessionImplementor session)
{
if (IsInstrumented)
{
HashedSet <string> lazyProps = lazyPropertiesAreUnfetched && EntityMetamodel.HasLazyProperties ? lazyPropertyNames : null;
//TODO: if we support multiple fetch groups, we would need
// to clone the set of lazy properties!
FieldInterceptionHelper.InjectFieldInterceptor(entity, EntityName, lazyProps, session);
}
}
public bool RequiresDirtyCheck(object entity)
{
bool isMutableInstance = status != Status.ReadOnly && persister.IsMutable;
return
(isMutableInstance
&&
(Persister.HasMutableProperties || !FieldInterceptionHelper.IsInstrumented(entity) ||
FieldInterceptionHelper.ExtractFieldInterceptor(entity).IsDirty));
}
private void MarkInterceptorDirty(object entity, object target)
{
if (FieldInterceptionHelper.IsInstrumented(entity))
{
IFieldInterceptor interceptor = FieldInterceptionHelper.ExtractFieldInterceptor(target);
if (interceptor != null)
{
interceptor.MarkDirty();
}
}
}
public override bool HasUninitializedLazyProperties(object entity)
{
if (EntityMetamodel.HasLazyProperties)
{
IFieldInterceptor callback = FieldInterceptionHelper.ExtractFieldInterceptor(entity);
return(callback != null && !callback.IsInitialized);
}
else
{
return(false);
}
}
/// <summary>
/// After actually updating the database, update the snapshot information,
/// and escalate the lock mode.
/// </summary>
public void PostUpdate(object entity, object[] updatedState, object nextVersion)
{
loadedState = updatedState;
LockMode = LockMode.Write;
if (Persister.IsVersioned)
{
version = nextVersion;
Persister.SetPropertyValue(entity, Persister.VersionProperty, nextVersion, entityMode);
}
FieldInterceptionHelper.ClearDirty(entity);
}
internal override ISet <string> GetUninitializedLazyProperties(object entity)
{
if (!EntityMetamodel.HasLazyProperties)
{
return(CollectionHelper.EmptySet <string>());
}
var interceptor = FieldInterceptionHelper.ExtractFieldInterceptor(entity);
if (interceptor == null)
{
return(CollectionHelper.EmptySet <string>());
}
return(interceptor.GetUninitializedFields() ?? lazyPropertyNames);
}
public static System.Type GetProxyRealType(this ISession session, object proxy)
{
var obj = proxy;
if (proxy.IsProxy())
{
obj = ((INHibernateProxy)proxy).HibernateLazyInitializer.GetImplementation();
}
var fieldAccessor = FieldInterceptionHelper.ExtractFieldInterceptor(obj);
if (fieldAccessor != null)
{
return(fieldAccessor.MappedClass);
}
return(obj.GetType());
}
public static bool IsPropertyInitialized(object proxy, string propertyName)
{
object entity;
if (!IsProxyFactoryConfigurated())
{
//if the proxy provider it's not configurated, can't be a proxy neither an instrumented field.
return(true);
}
if (proxy.IsProxy())
{
ILazyInitializer li = ((INHibernateProxy)proxy).HibernateLazyInitializer;
if (li.IsUninitialized)
{
return(false);
}
else
{
entity = li.GetImplementation();
}
}
else
{
entity = proxy;
}
if (FieldInterceptionHelper.IsInstrumented(entity))
{
IFieldInterceptor interceptor = FieldInterceptionHelper.ExtractFieldInterceptor(entity);
return(interceptor == null || interceptor.IsInitializedField(propertyName));
}
else
{
return(true);
}
}
public void LazyPropertyShouldBeUninitializedAndLoadableWithComponentId()
{
using (var session = OpenSession())
using (var tran = session.BeginTransaction())
{
var e2 = session.Query <EntityWithComponentId>().Single();
Assert.Multiple(
() =>
{
Assert.That(
NHibernateUtil.IsPropertyInitialized(e2, nameof(CompositeEntity.LazyProperty)),
Is.False,
"Lazy property initialization status");
Assert.That(
FieldInterceptionHelper.IsInstrumented(e2),
Is.True,
"Entity IsInstrumented");
Assert.That(
e2,
Has.Property(nameof(CompositeEntity.LazyProperty)).EqualTo("LazyProperty"));
});
tran.Commit();
}
}
public async Task LazyPropertyShouldBeUninitializedAndLoadableAsync()
{
using (var session = OpenSession())
using (var tran = session.BeginTransaction())
{
var e1 = await(session.Query <CompositeEntity>().SingleAsync());
Assert.Multiple(
() =>
{
Assert.That(
NHibernateUtil.IsPropertyInitialized(e1, nameof(CompositeEntity.LazyProperty)),
Is.False,
"Lazy property initialization status");
Assert.That(
FieldInterceptionHelper.IsInstrumented(e1),
Is.True,
"Entity IsInstrumented");
Assert.That(
e1,
Has.Property(nameof(CompositeEntity.LazyProperty)).EqualTo("LazyProperty"));
});
await(tran.CommitAsync());
}
}
public EntityMetamodel(PersistentClass persistentClass, ISessionFactoryImplementor sessionFactory)
{
this.sessionFactory = sessionFactory;
name = persistentClass.EntityName;
rootName = persistentClass.RootClazz.EntityName;
entityType = TypeFactory.ManyToOne(name);
type = persistentClass.MappedClass;
rootType = persistentClass.RootClazz.MappedClass;
rootTypeAssemblyQualifiedName = rootType == null ? null : rootType.AssemblyQualifiedName;
identifierProperty = PropertyFactory.BuildIdentifierProperty(persistentClass,
sessionFactory.GetIdentifierGenerator(rootName));
versioned = persistentClass.IsVersioned;
bool lazyAvailable = persistentClass.HasPocoRepresentation
&& FieldInterceptionHelper.IsInstrumented(persistentClass.MappedClass);
bool hasLazy = false;
propertySpan = persistentClass.PropertyClosureSpan;
properties = new StandardProperty[propertySpan];
List<int> naturalIdNumbers = new List<int>();
#region temporary
propertyNames = new string[propertySpan];
propertyTypes = new IType[propertySpan];
propertyUpdateability = new bool[propertySpan];
propertyInsertability = new bool[propertySpan];
insertInclusions = new ValueInclusion[propertySpan];
updateInclusions = new ValueInclusion[propertySpan];
nonlazyPropertyUpdateability = new bool[propertySpan];
propertyCheckability = new bool[propertySpan];
propertyNullability = new bool[propertySpan];
propertyVersionability = new bool[propertySpan];
propertyLaziness = new bool[propertySpan];
cascadeStyles = new CascadeStyle[propertySpan];
#endregion
int i = 0;
int tempVersionProperty = NoVersionIndex;
bool foundCascade = false;
bool foundCollection = false;
bool foundMutable = false;
bool foundInsertGeneratedValue = false;
bool foundUpdateGeneratedValue = false;
bool foundNonIdentifierPropertyNamedId = false;
foreach (Mapping.Property prop in persistentClass.PropertyClosureIterator)
{
if (prop == persistentClass.Version)
{
tempVersionProperty = i;
properties[i] = PropertyFactory.BuildVersionProperty(prop, lazyAvailable);
}
else
{
properties[i] = PropertyFactory.BuildStandardProperty(prop, lazyAvailable);
}
if (prop.IsNaturalIdentifier)
{
naturalIdNumbers.Add(i);
}
if ("id".Equals(prop.Name))
{
foundNonIdentifierPropertyNamedId = true;
}
#region temporary
bool lazyProperty = prop.IsLazy && lazyAvailable;
if (lazyProperty)
hasLazy = true;
propertyLaziness[i] = lazyProperty;
propertyNames[i] = properties[i].Name;
propertyTypes[i] = properties[i].Type;
propertyNullability[i] = properties[i].IsNullable;
propertyUpdateability[i] = properties[i].IsUpdateable;
propertyInsertability[i] = properties[i].IsInsertable;
insertInclusions[i] = DetermineInsertValueGenerationType(prop, properties[i]);
updateInclusions[i] = DetermineUpdateValueGenerationType(prop, properties[i]);
propertyVersionability[i] = properties[i].IsVersionable;
nonlazyPropertyUpdateability[i] = properties[i].IsUpdateable && !lazyProperty;
propertyCheckability[i] = propertyUpdateability[i]
||
(propertyTypes[i].IsAssociationType
&& ((IAssociationType) propertyTypes[i]).IsAlwaysDirtyChecked);
cascadeStyles[i] = properties[i].CascadeStyle;
#endregion
if (properties[i].IsLazy)
{
hasLazy = true;
}
if (properties[i].CascadeStyle != CascadeStyle.None)
{
foundCascade = true;
}
if (IndicatesCollection(properties[i].Type))
{
foundCollection = true;
}
if (propertyTypes[i].IsMutable && propertyCheckability[i])
{
foundMutable = true;
}
if (insertInclusions[i] != ValueInclusion.None)
{
foundInsertGeneratedValue = true;
}
if (updateInclusions[i] != ValueInclusion.None)
{
foundUpdateGeneratedValue = true;
}
MapPropertyToIndex(prop, i);
i++;
}
if (naturalIdNumbers.Count == 0)
naturalIdPropertyNumbers = null;
else
naturalIdPropertyNumbers = naturalIdNumbers.ToArray();
hasCascades = foundCascade;
hasInsertGeneratedValues = foundInsertGeneratedValue;
hasUpdateGeneratedValues = foundUpdateGeneratedValue;
hasNonIdentifierPropertyNamedId = foundNonIdentifierPropertyNamedId;
versionPropertyIndex = tempVersionProperty;
hasLazyProperties = hasLazy;
if (hasLazyProperties) log.Info("lazy property fetching available for: " + name);
lazy = persistentClass.IsLazy
&& (!persistentClass.HasPocoRepresentation || !ReflectHelper.IsFinalClass(persistentClass.ProxyInterface));
mutable = persistentClass.IsMutable;
if (!persistentClass.IsAbstract.HasValue)
{
// legacy behavior (with no abstract attribute specified)
isAbstract = persistentClass.HasPocoRepresentation && ReflectHelper.IsAbstractClass(persistentClass.MappedClass);
}
else
{
isAbstract = persistentClass.IsAbstract.Value;
if (!isAbstract && persistentClass.HasPocoRepresentation
&& ReflectHelper.IsAbstractClass(persistentClass.MappedClass))
{
log.Warn("entity [" + type.FullName
+ "] is abstract-class/interface explicitly mapped as non-abstract; be sure to supply entity-names");
}
}
selectBeforeUpdate = persistentClass.SelectBeforeUpdate;
dynamicUpdate = persistentClass.DynamicUpdate;
dynamicInsert = persistentClass.DynamicInsert;
polymorphic = persistentClass.IsPolymorphic;
explicitPolymorphism = persistentClass.IsExplicitPolymorphism;
inherited = persistentClass.IsInherited;
superclass = inherited ? persistentClass.Superclass.EntityName : null;
superclassType = inherited ? persistentClass.Superclass.MappedClass : null;
hasSubclasses = persistentClass.HasSubclasses;
optimisticLockMode = persistentClass.OptimisticLockMode;
if (optimisticLockMode > Versioning.OptimisticLock.Version && !dynamicUpdate)
{
throw new MappingException("optimistic-lock setting requires dynamic-update=\"true\": " + type.FullName);
}
hasCollections = foundCollection;
hasMutableProperties = foundMutable;
foreach (Subclass obj in persistentClass.SubclassIterator)
{
subclassEntityNames.Add(obj.EntityName);
}
subclassEntityNames.Add(name);
tuplizerMapping = new EntityEntityModeToTuplizerMapping(persistentClass, this);
}
public EntityMetamodel(PersistentClass persistentClass, ISessionFactoryImplementor sessionFactory)
{
this.sessionFactory = sessionFactory;
name = persistentClass.EntityName;
rootName = persistentClass.RootClazz.EntityName;
entityType = TypeFactory.ManyToOne(name);
type = persistentClass.MappedClass;
rootType = persistentClass.RootClazz.MappedClass;
rootTypeAssemblyQualifiedName = rootType == null ? null : rootType.AssemblyQualifiedName;
identifierProperty = PropertyFactory.BuildIdentifierProperty(persistentClass,
sessionFactory.GetIdentifierGenerator(rootName));
versioned = persistentClass.IsVersioned;
bool lazyAvailable = persistentClass.HasPocoRepresentation &&
FieldInterceptionHelper.IsInstrumented(persistentClass.MappedClass);
bool hasLazy = false;
propertySpan = persistentClass.PropertyClosureSpan;
properties = new StandardProperty[propertySpan];
List <int> naturalIdNumbers = new List <int>();
propertyNames = new string[propertySpan];
propertyTypes = new IType[propertySpan];
propertyUpdateability = new bool[propertySpan];
propertyInsertability = new bool[propertySpan];
insertInclusions = new ValueInclusion[propertySpan];
updateInclusions = new ValueInclusion[propertySpan];
nonlazyPropertyUpdateability = new bool[propertySpan];
propertyCheckability = new bool[propertySpan];
propertyNullability = new bool[propertySpan];
propertyVersionability = new bool[propertySpan];
propertyLaziness = new bool[propertySpan];
cascadeStyles = new CascadeStyle[propertySpan];
int i = 0;
int tempVersionProperty = NoVersionIndex;
bool foundCascade = false;
bool foundCollection = false;
bool foundMutable = false;
bool foundInsertGeneratedValue = false;
bool foundUpdateGeneratedValue = false;
bool foundNonIdentifierPropertyNamedId = false;
HasPocoRepresentation = persistentClass.HasPocoRepresentation;
// NH: WARNING if we have to disable lazy/unproxy properties we have to do it in the whole process.
lazy = persistentClass.IsLazy && (!persistentClass.HasPocoRepresentation || !ReflectHelper.IsFinalClass(persistentClass.ProxyInterface));
lazyAvailable &= lazy; // <== Disable lazy properties if the class is marked with lazy=false
bool hadLazyProperties = false;
bool hadNoProxyRelations = false;
foreach (Mapping.Property prop in persistentClass.PropertyClosureIterator)
{
if (prop.IsLazy)
{
hadLazyProperties = true;
}
if (prop.UnwrapProxy)
{
hadNoProxyRelations = true;
}
// NH: A lazy property is a simple property marked with lazy=true
bool islazyProperty = prop.IsLazy && lazyAvailable && (!prop.IsEntityRelation || prop.UnwrapProxy);
// NH: A Relation (in this case many-to-one or one-to-one) marked as "no-proxy"
var isUnwrapProxy = prop.UnwrapProxy && lazyAvailable;
if (islazyProperty || isUnwrapProxy)
{
// NH: verify property proxiability
var getter = prop.GetGetter(persistentClass.MappedClass);
if (getter.Method == null || getter.Method.IsDefined(typeof(CompilerGeneratedAttribute), false) == false)
{
log.ErrorFormat("Lazy or no-proxy property {0}.{1} is not an auto property, which may result in uninitialized property access", persistentClass.EntityName, prop.Name);
}
}
if (prop == persistentClass.Version)
{
tempVersionProperty = i;
properties[i] = PropertyFactory.BuildVersionProperty(prop, islazyProperty);
}
else
{
properties[i] = PropertyFactory.BuildStandardProperty(prop, islazyProperty);
}
if (prop.IsNaturalIdentifier)
{
naturalIdNumbers.Add(i);
}
if ("id".Equals(prop.Name))
{
foundNonIdentifierPropertyNamedId = true;
}
if (islazyProperty)
{
hasLazy = true;
}
if (isUnwrapProxy)
{
hasUnwrapProxyForProperties = true;
}
propertyLaziness[i] = islazyProperty;
propertyNames[i] = properties[i].Name;
propertyTypes[i] = properties[i].Type;
propertyNullability[i] = properties[i].IsNullable;
propertyUpdateability[i] = properties[i].IsUpdateable;
propertyInsertability[i] = properties[i].IsInsertable;
insertInclusions[i] = DetermineInsertValueGenerationType(prop, properties[i]);
updateInclusions[i] = DetermineUpdateValueGenerationType(prop, properties[i]);
propertyVersionability[i] = properties[i].IsVersionable;
nonlazyPropertyUpdateability[i] = properties[i].IsUpdateable && !islazyProperty;
propertyCheckability[i] = propertyUpdateability[i]
||
(propertyTypes[i].IsAssociationType &&
((IAssociationType)propertyTypes[i]).IsAlwaysDirtyChecked);
cascadeStyles[i] = properties[i].CascadeStyle;
if (properties[i].IsLazy)
{
hasLazy = true;
}
if (properties[i].CascadeStyle != CascadeStyle.None)
{
foundCascade = true;
}
if (IndicatesCollection(properties[i].Type))
{
foundCollection = true;
}
if (propertyTypes[i].IsMutable && propertyCheckability[i])
{
foundMutable = true;
}
if (insertInclusions[i] != ValueInclusion.None)
{
foundInsertGeneratedValue = true;
}
if (updateInclusions[i] != ValueInclusion.None)
{
foundUpdateGeneratedValue = true;
}
MapPropertyToIndex(prop, i);
i++;
}
if (naturalIdNumbers.Count == 0)
{
naturalIdPropertyNumbers = null;
}
else
{
naturalIdPropertyNumbers = naturalIdNumbers.ToArray();
}
hasCascades = foundCascade;
hasInsertGeneratedValues = foundInsertGeneratedValue;
hasUpdateGeneratedValues = foundUpdateGeneratedValue;
hasNonIdentifierPropertyNamedId = foundNonIdentifierPropertyNamedId;
versionPropertyIndex = tempVersionProperty;
hasLazyProperties = hasLazy;
if (hadLazyProperties && !hasLazy)
{
log.WarnFormat("Disabled lazy property fetching for {0} because it does not support lazy at the entity level", name);
}
if (hasLazy)
{
log.Info("lazy property fetching available for: " + name);
}
if (hadNoProxyRelations && !hasUnwrapProxyForProperties)
{
log.WarnFormat("Disabled ghost property fetching for {0} because it does not support lazy at the entity level", name);
}
if (hasUnwrapProxyForProperties)
{
log.Info("no-proxy property fetching available for: " + name);
}
mutable = persistentClass.IsMutable;
if (!persistentClass.IsAbstract.HasValue)
{
// legacy behavior (with no abstract attribute specified)
isAbstract = persistentClass.HasPocoRepresentation && ReflectHelper.IsAbstractClass(persistentClass.MappedClass);
}
else
{
isAbstract = persistentClass.IsAbstract.Value;
if (!isAbstract && persistentClass.HasPocoRepresentation &&
ReflectHelper.IsAbstractClass(persistentClass.MappedClass))
{
log.Warn("entity [" + type.FullName
+ "] is abstract-class/interface explicitly mapped as non-abstract; be sure to supply entity-names");
}
}
selectBeforeUpdate = persistentClass.SelectBeforeUpdate;
dynamicUpdate = persistentClass.DynamicUpdate;
dynamicInsert = persistentClass.DynamicInsert;
polymorphic = persistentClass.IsPolymorphic;
explicitPolymorphism = persistentClass.IsExplicitPolymorphism;
inherited = persistentClass.IsInherited;
superclass = inherited ? persistentClass.Superclass.EntityName : null;
superclassType = inherited ? persistentClass.Superclass.MappedClass : null;
hasSubclasses = persistentClass.HasSubclasses;
optimisticLockMode = persistentClass.OptimisticLockMode;
if (optimisticLockMode > Versioning.OptimisticLock.Version && !dynamicUpdate)
{
throw new MappingException("optimistic-lock setting requires dynamic-update=\"true\": " + type.FullName);
}
hasCollections = foundCollection;
hasMutableProperties = foundMutable;
foreach (Subclass obj in persistentClass.SubclassIterator)
{
subclassEntityNames.Add(obj.EntityName);
}
subclassEntityNames.Add(name);
EntityMode = persistentClass.HasPocoRepresentation ? EntityMode.Poco : EntityMode.Map;
var entityTuplizerFactory = new EntityTuplizerFactory();
var tuplizerClassName = persistentClass.GetTuplizerImplClassName(EntityMode);
Tuplizer = tuplizerClassName == null
? entityTuplizerFactory.BuildDefaultEntityTuplizer(EntityMode, this, persistentClass)
: entityTuplizerFactory.BuildEntityTuplizer(tuplizerClassName, this, persistentClass);
}
protected override bool AppliesTo(Dialect.Dialect dialect)
{
// this test work only with Field interception (NH-1618)
return(FieldInterceptionHelper.IsInstrumented(new Person()));
}
