internal ScriptFunctionInstance(
Engine engine,
JintFunctionDefinition function,
LexicalEnvironment scope,
FunctionThisMode thisMode)
: base(engine, function, scope, thisMode)
{
_function = function;
_prototype = _engine.Function.PrototypeObject;
_length = new LazyPropertyDescriptor(() => JsNumber.Create(function.Initialize(engine, this).Length), PropertyFlag.Configurable);
var proto = new ObjectInstanceWithConstructor(engine, this)
{
_prototype = _engine.Object.PrototypeObject
};
_prototypeDescriptor = new PropertyDescriptor(proto, PropertyFlag.OnlyWritable);
if (!function.Strict && !engine._isStrict)
{
DefineOwnProperty(CommonProperties.Arguments, engine._callerCalleeArgumentsThrowerConfigurable);
DefineOwnProperty(CommonProperties.Caller, new PropertyDescriptor(Undefined, PropertyFlag.Configurable));
}
}
internal ArrowFunctionInstance(
Engine engine,
JintFunctionDefinition function,
LexicalEnvironment scope,
bool strict)
: base(engine, function, scope, strict ? FunctionThisMode.Strict : FunctionThisMode.Lexical)
{
_function = function;
PreventExtensions();
_prototype = Engine.Function.PrototypeObject;
_length = new LazyPropertyDescriptor(() => JsNumber.Create(function.Initialize(engine, this).Length), PropertyFlag.Configurable);
}
internal ScriptFunctionInstance(
Engine engine,
JintFunctionDefinition function,
EnvironmentRecord scope,
FunctionThisMode thisMode,
ObjectInstance proto = null)
: base(engine, engine.Realm, function, scope, thisMode)
{
_prototype = proto ?? _engine.Realm.Intrinsics.Function.PrototypeObject;
_length = new LazyPropertyDescriptor(null, _ => JsNumber.Create(function.Initialize(this).Length), PropertyFlag.Configurable);
if (!function.Strict && !engine._isStrict && function.Function is not ArrowFunctionExpression)
{
DefineOwnProperty(CommonProperties.Arguments, new GetSetPropertyDescriptor.ThrowerPropertyDescriptor(engine, PropertyFlag.Configurable | PropertyFlag.CustomJsValue));
DefineOwnProperty(CommonProperties.Caller, new PropertyDescriptor(Undefined, PropertyFlag.Configurable));
}
}
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>();
var lazyPropertyDescriptors = new List <LazyPropertyDescriptor>();
var unwrapProxyPropertyDescriptors = new List <UnwrapProxyPropertyDescriptor>();
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.Error("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;
lazyPropertyDescriptors.Add(LazyPropertyDescriptor.From(prop, i, lazyPropertyDescriptors.Count));
}
if (isUnwrapProxy)
{
hasUnwrapProxyForProperties = true;
unwrapProxyPropertyDescriptors.Add(UnwrapProxyPropertyDescriptor.From(prop, i));
}
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.Warn("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: {0}", name);
}
if (hadNoProxyRelations && !hasUnwrapProxyForProperties)
{
log.Warn("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: {0}", 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 [{0}] is abstract-class/interface explicitly mapped as non-abstract; be sure to supply entity-names",
type.FullName);
}
}
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;
if (persistentClass.HasPocoRepresentation)
{
BytecodeEnhancementMetadata = BytecodeEnhancementMetadataPocoImpl
.From(persistentClass, lazyPropertyDescriptors, unwrapProxyPropertyDescriptors);
}
else
{
BytecodeEnhancementMetadata = new BytecodeEnhancementMetadataNonPocoImpl(persistentClass.EntityName);
}
var entityTuplizerFactory = new EntityTuplizerFactory();
var tuplizerClassName = persistentClass.GetTuplizerImplClassName(EntityMode);
Tuplizer = tuplizerClassName == null
? entityTuplizerFactory.BuildDefaultEntityTuplizer(EntityMode, this, persistentClass)
: entityTuplizerFactory.BuildEntityTuplizer(tuplizerClassName, this, persistentClass);
}
