private void ValidateDiscriminator(IEntityType entityType)
{
if (entityType.ClrType?.IsInstantiable() ?? false)
{
var annotations = _relationalExtensions.For(entityType);
if (annotations.DiscriminatorProperty == null)
{
ShowError(Relational.Internal.Strings.NoDiscriminatorProperty(entityType.DisplayName()));
}
if (annotations.DiscriminatorValue == null)
{
ShowError(Relational.Internal.Strings.NoDiscriminatorValue(entityType.DisplayName()));
}
}
}
public virtual InternalEntityEntry StartTracking(
IEntityType entityType, EntityKey entityKey, object entity, ValueBuffer valueBuffer)
{
if (entityKey == EntityKey.InvalidEntityKey)
{
throw new InvalidOperationException(Strings.InvalidPrimaryKey(entityType.DisplayName()));
}
var existingEntry = TryGetEntry(entityKey);
if (existingEntry != null)
{
if (existingEntry.Entity != entity)
{
throw new InvalidOperationException(Strings.IdentityConflict(entityType.DisplayName()));
}
return existingEntry;
}
var newEntry = _subscriber.SnapshotAndSubscribe(_factory.Create(this, entityType, entity, valueBuffer));
_identityMap.Add(entityKey, newEntry);
_entityReferenceMap[entity] = newEntry;
newEntry.SetEntityState(EntityState.Unchanged);
return newEntry;
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual EntityProjectionExpression UpdateEntityType([NotNull] IEntityType derivedType)
{
Check.NotNull(derivedType, nameof(derivedType));
if (!derivedType.GetAllBaseTypes().Contains(EntityType))
{
throw new InvalidOperationException(
CosmosStrings.InvalidDerivedTypeInEntityProjection(
derivedType.DisplayName(), EntityType.DisplayName()));
}
return(new EntityProjectionExpression(derivedType, AccessExpression));
}
private void ValidateDiscriminator(IEntityType entityType, ISet <Tuple <IEntityType, string> > discriminatorSet)
{
var annotations = new MongoDbEntityTypeAnnotations(entityType);
if (string.IsNullOrWhiteSpace(annotations.Discriminator))
{
ShowError($"Missing discriminator value for entity type {entityType.DisplayName()}.");
}
if (!discriminatorSet.Add(Tuple.Create(entityType.RootType(), annotations.Discriminator)))
{
ShowError($"Duplicate discriminator value {annotations.Discriminator} for root entity type {entityType.RootType().DisplayName()} (defined on {entityType.DisplayName()}).");
}
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
protected virtual void ValidateClrInheritance(
[NotNull] IModel model, [NotNull] IEntityType entityType, [NotNull] HashSet <IEntityType> validEntityTypes)
{
Check.NotNull(model, nameof(model));
Check.NotNull(entityType, nameof(entityType));
Check.NotNull(validEntityTypes, nameof(validEntityTypes));
if (validEntityTypes.Contains(entityType))
{
return;
}
var baseClrType = entityType.ClrType?.GetTypeInfo().BaseType;
while (baseClrType != null)
{
var baseEntityType = model.FindEntityType(baseClrType);
if (baseEntityType != null)
{
if (!baseEntityType.IsAssignableFrom(entityType))
{
throw new InvalidOperationException(
CoreStrings.InconsistentInheritance(entityType.DisplayName(), baseEntityType.DisplayName()));
}
ValidateClrInheritance(model, baseEntityType, validEntityTypes);
break;
}
baseClrType = baseClrType.GetTypeInfo().BaseType;
}
if (entityType.ClrType?.IsInstantiable() == false &&
!entityType.GetDerivedTypes().Any())
{
throw new InvalidOperationException(
CoreStrings.AbstractLeafEntityType(entityType.DisplayName()));
}
validEntityTypes.Add(entityType);
}
public virtual object GetEntity(
IEntityType entityType,
EntityKey entityKey,
EntityLoadInfo entityLoadInfo,
bool queryStateManager)
{
// hot path
Debug.Assert(entityType != null);
Debug.Assert(entityKey != null);
if (entityKey == EntityKey.InvalidEntityKey)
{
throw new InvalidOperationException(
Strings.InvalidEntityKeyOnQuery(entityType.DisplayName()));
}
if (queryStateManager)
{
var entry = _stateManager.TryGetEntry(entityKey);
if (entry != null)
{
return(entry.Entity);
}
}
object entity;
WeakReference <object> weakReference;
if (!_identityMap.TryGetValue(entityKey, out weakReference) ||
!weakReference.TryGetTarget(out entity))
{
entity = entityLoadInfo.Materialize();
if (weakReference != null)
{
weakReference.SetTarget(entity);
}
else
{
GarbageCollectIdentityMap();
_identityMap.Add(entityKey, new WeakReference <object>(entity));
}
_valueBuffers.Add(entity, entityLoadInfo.ValueBuffer);
}
return(entity);
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public static IEnumerable <INavigation> FindNavigationsToInHierarchy(
[NotNull] this IForeignKey foreignKey, [NotNull] IEntityType entityType)
{
if (!foreignKey.DeclaringEntityType.IsAssignableFrom(entityType) &&
!foreignKey.PrincipalEntityType.IsAssignableFrom(entityType))
{
throw new InvalidOperationException(CoreStrings.EntityTypeNotInRelationship(
entityType.DisplayName(), foreignKey.DeclaringEntityType.DisplayName(), foreignKey.PrincipalEntityType.DisplayName()));
}
return(foreignKey.IsIntraHierarchical()
? foreignKey.GetNavigations()
: foreignKey.FindNavigations(foreignKey.PrincipalEntityType.IsAssignableFrom(entityType)));
}
private static INotifyPropertyChanging AsINotifyPropertyChanging(
InternalEntityEntry entry,
IEntityType entityType,
ChangeTrackingStrategy changeTrackingStrategy)
{
if (!(entry.Entity is INotifyPropertyChanging changing))
{
throw new InvalidOperationException(
CoreStrings.ChangeTrackingInterfaceMissing(
entityType.DisplayName(), changeTrackingStrategy, nameof(INotifyPropertyChanging)));
}
return(changing);
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public static IEntityType ResolveEntityTypeInHierarchy([NotNull] this IForeignKey foreignKey, [NotNull] IEntityType entityType)
{
if (!foreignKey.DeclaringEntityType.IsAssignableFrom(entityType) &&
!foreignKey.PrincipalEntityType.IsAssignableFrom(entityType))
{
throw new InvalidOperationException(CoreStrings.EntityTypeNotInRelationship(
entityType.DisplayName(),
foreignKey.DeclaringEntityType.DisplayName(),
foreignKey.PrincipalEntityType.DisplayName()));
}
if (foreignKey.IsIntraHierarchical())
{
throw new InvalidOperationException(CoreStrings.IntraHierarchicalAmbiguousTargetEntityType(
entityType.DisplayName(), Property.Format(foreignKey.Properties),
foreignKey.PrincipalEntityType.DisplayName(),
foreignKey.DeclaringEntityType.DisplayName()));
}
return(foreignKey.DeclaringEntityType.IsAssignableFrom(entityType)
? foreignKey.DeclaringEntityType
: foreignKey.PrincipalEntityType);
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public static MemberInfo GetNavigationMemberInfo(
[NotNull] this IEntityType entityType,
[NotNull] string navigationName)
{
var memberInfo = entityType.ClrType.GetMembersInHierarchy(navigationName).FirstOrDefault();
if (memberInfo == null)
{
throw new InvalidOperationException(
CoreStrings.NoClrNavigation(navigationName, entityType.DisplayName()));
}
return(memberInfo);
}
private static INotifyCollectionChanged AsINotifyCollectionChanged(
InternalEntityEntry entry,
INavigation navigation,
IEntityType entityType,
ChangeTrackingStrategy changeTrackingStrategy)
{
if (!(navigation.GetCollectionAccessor()?.GetOrCreate(entry.Entity) is INotifyCollectionChanged notifyingCollection))
{
throw new InvalidOperationException(
CoreStrings.NonNotifyingCollection(navigation.Name, entityType.DisplayName(), changeTrackingStrategy));
}
return(notifyingCollection);
}
public virtual object GetEntity(
IEntityType entityType,
EntityKey entityKey,
EntityLoadInfo entityLoadInfo,
bool queryStateManager)
{
// hot path
Debug.Assert(entityType != null);
Debug.Assert(entityKey != null);
if (entityKey == EntityKey.InvalidEntityKey)
{
throw new InvalidOperationException(
Strings.InvalidEntityKeyOnQuery(entityType.DisplayName()));
}
if (queryStateManager)
{
var entry = _stateManager.TryGetEntry(entityKey);
if (entry != null)
{
return entry.Entity;
}
}
object entity;
WeakReference<object> weakReference;
if (!_identityMap.TryGetValue(entityKey, out weakReference)
|| !weakReference.TryGetTarget(out entity))
{
entity = entityLoadInfo.Materialize();
if (weakReference != null)
{
weakReference.SetTarget(entity);
}
else
{
GarbageCollectIdentityMap();
_identityMap.Add(entityKey, new WeakReference<object>(entity));
}
_valueBuffers.Add(entity, entityLoadInfo.ValueBuffer);
}
return entity;
}
protected virtual void GenerateTableName([NotNull] IEntityType entityType, [NotNull] IndentedStringBuilder stringBuilder)
{
Check.NotNull(entityType, nameof(entityType));
Check.NotNull(stringBuilder, nameof(stringBuilder));
if (entityType.FindAnnotation(RelationalAnnotationNames.Prefix + RelationalAnnotationNames.TableName) == null &&
entityType.HasClrType())
{
stringBuilder
.AppendLine()
.Append("b.ToTable(")
.Append(_code.Literal(entityType.DisplayName()))
.AppendLine(");");
}
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public static IEntityType ResolveOtherEntityType([NotNull] this IForeignKey foreignKey, [NotNull] IEntityType entityType)
{
if (foreignKey.DeclaringEntityType != entityType &&
foreignKey.PrincipalEntityType != entityType)
{
throw new InvalidOperationException(CoreStrings.EntityTypeNotInRelationshipStrict(
entityType.DisplayName(),
foreignKey.DeclaringEntityType.DisplayName(),
foreignKey.PrincipalEntityType.DisplayName()));
}
return(foreignKey.DeclaringEntityType == entityType
? foreignKey.PrincipalEntityType
: foreignKey.DeclaringEntityType);
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public static IEnumerable <INavigation> FindNavigationsTo([NotNull] this IForeignKey foreignKey, [NotNull] IEntityType entityType)
{
if (foreignKey.DeclaringEntityType != entityType &&
foreignKey.PrincipalEntityType != entityType)
{
throw new InvalidOperationException(CoreStrings.EntityTypeNotInRelationshipStrict(
entityType.DisplayName(),
foreignKey.DeclaringEntityType.DisplayName(),
foreignKey.PrincipalEntityType.DisplayName()));
}
return(foreignKey.IsSelfReferencing()
? foreignKey.GetNavigations()
: foreignKey.FindNavigations(foreignKey.PrincipalEntityType == entityType));
}
private static INotifyPropertyChanged AsINotifyPropertyChanged(
InternalEntityEntry entry,
IEntityType entityType,
ChangeTrackingStrategy changeTrackingStrategy)
{
var changed = entry.Entity as INotifyPropertyChanged;
if (changed == null)
{
throw new InvalidOperationException(
CoreStrings.ChangeTrackingInterfaceMissing(
entityType.DisplayName(), changeTrackingStrategy, nameof(INotifyPropertyChanged)));
}
return(changed);
}
private static void CheckDiscriminatorValue(IEntityType entityType, object value)
{
if (value != null &&
entityType.GetDiscriminatorProperty() == null)
{
throw new InvalidOperationException(
RelationalStrings.NoDiscriminatorForValue(entityType.DisplayName(), entityType.RootType().DisplayName()));
}
if (value != null &&
!entityType.GetDiscriminatorProperty().ClrType.GetTypeInfo().IsAssignableFrom(value.GetType().GetTypeInfo()))
{
throw new InvalidOperationException(
RelationalStrings.DiscriminatorValueIncompatible(
value, entityType.GetDiscriminatorProperty().Name, entityType.GetDiscriminatorProperty().ClrType));
}
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public static void SchemaConfiguredWarning(
this IDiagnosticsLogger <DbLoggerCategory.Model.Validation> diagnostics,
IEntityType entityType,
string schema)
{
var definition = FbStrings.LogSchemaConfigured;
var warningBehavior = definition.GetLogBehavior(diagnostics);
if (warningBehavior != WarningBehavior.Ignore)
{
definition.Log(
diagnostics,
warningBehavior,
entityType.DisplayName(), schema);
}
}
private static void CheckDiscriminatorProperty(IEntityType entityType, IProperty property)
{
if (property != null)
{
if (entityType != entityType.RootType())
{
throw new InvalidOperationException(
RelationalStrings.DiscriminatorPropertyMustBeOnRoot(entityType.DisplayName()));
}
if (property.DeclaringEntityType != entityType)
{
throw new InvalidOperationException(
RelationalStrings.DiscriminatorPropertyNotFound(property.Name, entityType.DisplayName()));
}
}
}
private static INotifyCollectionChanged AsINotifyCollectionChanged(
InternalEntityEntry entry,
INavigationBase navigation,
IEntityType entityType,
ChangeTrackingStrategy changeTrackingStrategy)
{
if (navigation.GetCollectionAccessor()
?.GetOrCreate(entry.Entity, forMaterialization: false) is not INotifyCollectionChanged notifyingCollection)
{
var collectionType = navigation.GetCollectionAccessor()
?.GetOrCreate(entry.Entity, forMaterialization: false).GetType().DisplayName(fullName: false);
throw new InvalidOperationException(
CoreStrings.NonNotifyingCollection(navigation.Name, entityType.DisplayName(), collectionType, changeTrackingStrategy));
}
return(notifyingCollection);
}
private Shaper CreateShaper(Type elementType, IEntityType entityType, SelectExpression selectExpression)
{
Shaper shaper;
if (QueryModelVisitor.QueryCompilationContext
.QuerySourceRequiresMaterialization(_querySource) ||
QueryModelVisitor.RequiresClientEval)
{
Dictionary <Type, int[]> typeIndexMap;
var materializer
= _materializerFactory
.CreateMaterializer(
entityType,
selectExpression,
(p, se) =>
se.AddToProjection(
_relationalAnnotationProvider.For(p).ColumnName,
p,
_querySource),
_querySource,
out typeIndexMap).Compile();
shaper
= (Shaper)_createEntityShaperMethodInfo.MakeGenericMethod(elementType)
.Invoke(null, new object[]
{
_querySource,
entityType.DisplayName(),
QueryModelVisitor.QueryCompilationContext.IsTrackingQuery,
entityType.FindPrimaryKey(),
materializer,
typeIndexMap,
QueryModelVisitor.QueryCompilationContext.IsQueryBufferRequired
});
}
else
{
DiscriminateProjectionQuery(entityType, selectExpression, _querySource);
shaper = new ValueBufferShaper(_querySource);
}
return(shaper);
}
public static IEnumerable <INavigation> FindNavigationsTo([NotNull] this IForeignKey foreignKey, [NotNull] IEntityType entityType)
{
Check.NotNull(foreignKey, nameof(foreignKey));
Check.NotNull(entityType, nameof(entityType));
if ((foreignKey.DeclaringEntityType != entityType) &&
(foreignKey.PrincipalEntityType != entityType))
{
throw new ArgumentException(CoreStrings.EntityTypeNotInRelationshipStrict(
entityType.DisplayName(),
foreignKey.DeclaringEntityType.DisplayName(),
foreignKey.PrincipalEntityType.DisplayName()));
}
return(foreignKey.IsSelfReferencing()
? foreignKey.GetNavigations()
: foreignKey.FindNavigations(foreignKey.PrincipalEntityType == entityType));
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public static IProperty GetProperty([NotNull] this IEntityType entityType, [NotNull] string name)
{
Check.NotEmpty(name, nameof(name));
var property = entityType.FindProperty(name);
if (property == null)
{
if (entityType.FindNavigation(name) != null)
{
throw new InvalidOperationException(
CoreStrings.PropertyIsNavigation(name, entityType.DisplayName(),
nameof(EntityEntry.Property), nameof(EntityEntry.Reference), nameof(EntityEntry.Collection)));
}
throw new InvalidOperationException(CoreStrings.PropertyNotFound(name, entityType.DisplayName()));
}
return(property);
}
public static IEntityType ResolveOtherEntityType([NotNull] this IForeignKey foreignKey, [NotNull] IEntityType entityType)
{
Check.NotNull(foreignKey, nameof(foreignKey));
Check.NotNull(entityType, nameof(entityType));
if (foreignKey.DeclaringEntityType != entityType &&
foreignKey.PrincipalEntityType != entityType)
{
throw new ArgumentException(CoreStrings.EntityTypeNotInRelationshipStrict(
entityType.DisplayName(),
foreignKey.DeclaringEntityType.DisplayName(),
foreignKey.PrincipalEntityType.DisplayName()));
}
return(foreignKey.DeclaringEntityType == entityType
? foreignKey.PrincipalEntityType
: foreignKey.DeclaringEntityType);
}
private static TEntity CreateEntity <TEntity>(
IQuerySource querySource,
ValueBuffer valueBuffer,
int valueBufferOffset,
QueryContext queryContext,
IEntityType entityType,
bool trackingQuery,
KeyValueFactory keyValueFactory,
Func <ValueBuffer, object> materializer,
bool allowNullResult,
bool useQueryBuffer)
where TEntity : class
{
valueBuffer = valueBuffer.WithOffset(valueBufferOffset);
var keyValue = keyValueFactory.Create(valueBuffer);
TEntity entity = null;
if (ReferenceEquals(keyValue, KeyValue.InvalidKeyValue))
{
if (!allowNullResult)
{
throw new InvalidOperationException(
RelationalStrings.InvalidKeyValue(entityType.DisplayName()));
}
}
else if (useQueryBuffer)
{
entity
= (TEntity)queryContext.QueryBuffer
.GetEntity(
keyValue,
new EntityLoadInfo(valueBuffer, materializer),
queryStateManager: trackingQuery);
}
else
{
entity = (TEntity)materializer(valueBuffer);
}
return(entity);
}
/// <summary>
/// Validates the discriminator and values for all entity types derived from the given one.
/// </summary>
/// <param name="rootEntityType">The entity type to validate.</param>
protected virtual void ValidateDiscriminatorValues(IEntityType rootEntityType)
{
var derivedTypes = rootEntityType.GetDerivedTypesInclusive().ToList();
if (derivedTypes.Count == 1)
{
return;
}
var discriminatorProperty = rootEntityType.FindDiscriminatorProperty();
if (discriminatorProperty == null)
{
throw new InvalidOperationException(
CoreStrings.NoDiscriminatorProperty(rootEntityType.DisplayName()));
}
var discriminatorValues = new Dictionary <object, IEntityType>(discriminatorProperty.GetKeyValueComparer());
foreach (var derivedType in derivedTypes)
{
if (!derivedType.ClrType.IsInstantiable())
{
continue;
}
var discriminatorValue = derivedType.GetDiscriminatorValue();
if (discriminatorValue == null)
{
throw new InvalidOperationException(
CoreStrings.NoDiscriminatorValue(derivedType.DisplayName()));
}
if (discriminatorValues.TryGetValue(discriminatorValue, out var duplicateEntityType))
{
throw new InvalidOperationException(
CoreStrings.DuplicateDiscriminatorValue(
derivedType.DisplayName(), discriminatorValue, duplicateEntityType.DisplayName()));
}
discriminatorValues[discriminatorValue] = derivedType;
}
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public static void DuplicateDependentEntityTypeInstanceWarning(
[NotNull] this IDiagnosticsLogger <DbLoggerCategory.Update> diagnostics,
[NotNull] IEntityType dependent1,
[NotNull] IEntityType dependent2)
{
var definition = CoreStrings.LogDuplicateDependentEntityTypeInstance;
definition.Log(diagnostics, dependent1.DisplayName(), dependent2.DisplayName());
if (diagnostics.DiagnosticSource.IsEnabled(definition.EventId.Name))
{
diagnostics.DiagnosticSource.Write(
definition.EventId.Name,
new SharedDependentEntityEventData(
definition,
DuplicateDependentEntityTypeInstanceWarning,
dependent1,
dependent2));
}
}
public virtual string GenerateTableNameFacetConfiguration([NotNull] IEntityType entityType)
{
Check.NotNull(entityType, nameof(entityType));
if (entityType.Relational().Schema != null &&
entityType.Relational().Schema != "dbo")
{
return(string.Format(CultureInfo.InvariantCulture, ".Table({0}, {1})",
CSharpUtilities.Instance.DelimitString(entityType.Relational().Table),
CSharpUtilities.Instance.DelimitString(entityType.Relational().Schema)));
}
if (entityType.Relational().Table != null &&
entityType.Relational().Table != entityType.DisplayName())
{
return(string.Format(CultureInfo.InvariantCulture, ".Table({0})",
CSharpUtilities.Instance.DelimitString(entityType.Relational().Table)));
}
return(null);
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual EntityProjectionExpression UpdateEntityType([NotNull] IEntityType derivedType)
{
if (!derivedType.GetAllBaseTypes().Contains(EntityType))
{
throw new InvalidOperationException(InMemoryStrings.InvalidDerivedTypeInEntityProjection(
derivedType.DisplayName(), EntityType.DisplayName()));
}
var readExpressionMap = new Dictionary <IProperty, Expression>();
foreach (var kvp in _readExpressionMap)
{
var property = kvp.Key;
if (derivedType.IsAssignableFrom(property.DeclaringEntityType) ||
property.DeclaringEntityType.IsAssignableFrom(derivedType))
{
readExpressionMap[property] = kvp.Value;
}
}
return(new EntityProjectionExpression(derivedType, readExpressionMap));
}
public static void SchemaConfiguredWarning(
[NotNull] this IDiagnosticsLogger <DbLoggerCategory.Model.Validation> diagnostics,
[NotNull] IEntityType entityType,
[NotNull] string schema)
{
var definition = EFCoreStrings.LogSchemaConfigured;
// Checking for enabled here to avoid string formatting if not needed.
if (diagnostics.GetLogBehavior(definition.EventId, definition.Level) != WarningBehavior.Ignore)
{
definition.Log(diagnostics, entityType.DisplayName(), schema);
}
if (diagnostics.DiagnosticSource.IsEnabled(definition.EventId.Name))
{
diagnostics.DiagnosticSource.Write(
definition.EventId.Name,
new EntityTypeSchemaEventData(
definition,
SchemaConfiguredWarning,
entityType,
schema));
}
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public static void SchemaConfiguredWarning(
[NotNull] this IDiagnosticsLogger <DbLoggerCategory.Model.Validation> diagnostics,
[NotNull] IEntityType entityType,
[NotNull] string schema)
{
var definition = SqliteResources.LogSchemaConfigured(diagnostics);
if (diagnostics.ShouldLog(definition))
{
definition.Log(diagnostics, entityType.DisplayName(), schema);
}
if (diagnostics.NeedsEventData(definition, out var diagnosticSourceEnabled, out var simpleLogEnabled))
{
var eventData = new EntityTypeSchemaEventData(
definition,
SchemaConfiguredWarning,
entityType,
schema);
diagnostics.DispatchEventData(definition, eventData, diagnosticSourceEnabled, simpleLogEnabled);
}
}
public virtual EntityProjectionExpression UpdateEntityType([NotNull] IEntityType derivedType)
{
Check.NotNull(derivedType, nameof(derivedType));
if (!derivedType.GetAllBaseTypes().Contains(EntityType))
{
throw new InvalidOperationException(
RelationalStrings.InvalidDerivedTypeInEntityProjection(
derivedType.DisplayName(), EntityType.DisplayName()));
}
var propertyExpressionMap = new Dictionary <IProperty, ColumnExpression>();
foreach (var kvp in _propertyExpressionMap)
{
var property = kvp.Key;
if (derivedType.IsAssignableFrom(property.DeclaringEntityType) ||
property.DeclaringEntityType.IsAssignableFrom(derivedType))
{
propertyExpressionMap[property] = kvp.Value;
}
}
var discriminatorExpression = DiscriminatorExpression;
if (DiscriminatorExpression is CaseExpression caseExpression)
{
var entityTypesToSelect = derivedType.GetTptDiscriminatorValues();
var whenClauses = caseExpression.WhenClauses
.Where(wc => entityTypesToSelect.Contains((string)((SqlConstantExpression)wc.Result).Value !))
.ToList();
discriminatorExpression = caseExpression.Update(operand: null, whenClauses, elseResult: null);
}
return(new EntityProjectionExpression(derivedType, propertyExpressionMap, discriminatorExpression));
}
public virtual string CreateName(IEntityType entityType)
=> _shouldPluralize ? entityType.DisplayName().Pluralize() : entityType.DisplayName();
private static INotifyPropertyChanging AsINotifyPropertyChanging(
InternalEntityEntry entry,
IEntityType entityType,
ChangeTrackingStrategy changeTrackingStrategy)
{
var changing = entry.Entity as INotifyPropertyChanging;
if (changing == null)
{
throw new InvalidOperationException(
CoreStrings.ChangeTrackingInterfaceMissing(
entityType.DisplayName(), changeTrackingStrategy, typeof(INotifyPropertyChanging).Name));
}
return changing;
}
private static INotifyCollectionChanged AsINotifyCollectionChanged(
InternalEntityEntry entry,
INavigation navigation,
IEntityType entityType,
ChangeTrackingStrategy changeTrackingStrategy)
{
var notifyingCollection = navigation.GetCollectionAccessor().GetOrCreate(entry.Entity) as INotifyCollectionChanged;
if (notifyingCollection == null)
{
throw new InvalidOperationException(
CoreStrings.NonNotifyingCollection(navigation.Name, entityType.DisplayName(), changeTrackingStrategy));
}
return notifyingCollection;
}
public virtual InternalEntityEntry StartTracking(IEntityType entityType, object entity, IValueReader valueReader)
{
// TODO: Perf: Pre-compute this for speed
var keyProperties = entityType.GetPrimaryKey().Properties;
var keyValue = _keyFactorySource.GetKeyFactory(keyProperties).Create(entityType, keyProperties, valueReader);
if (keyValue == EntityKey.InvalidEntityKey)
{
throw new InvalidOperationException(Strings.InvalidPrimaryKey(entityType.DisplayName()));
}
var existingEntry = TryGetEntry(keyValue);
if (existingEntry != null)
{
if (existingEntry.Entity != entity)
{
throw new InvalidOperationException(Strings.IdentityConflict(entityType.DisplayName()));
}
return existingEntry;
}
var newEntry = _subscriber.SnapshotAndSubscribe(_factory.Create(this, entityType, entity, valueReader));
_identityMap.Add(keyValue, newEntry);
_entityReferenceMap[entity] = newEntry;
newEntry.SetEntityState(EntityState.Unchanged);
return newEntry;
}
private void ValidateDiscriminator(IEntityType entityType)
{
var annotations = RelationalExtensions.For(entityType);
if (annotations.DiscriminatorProperty == null)
{
ShowError(RelationalStrings.NoDiscriminatorProperty(entityType.DisplayName()));
}
if (annotations.DiscriminatorValue == null)
{
ShowError(RelationalStrings.NoDiscriminatorValue(entityType.DisplayName()));
}
}
private void EnsureClrInheritance(IModel model, IEntityType entityType, HashSet<IEntityType> validEntityTypes)
{
if (validEntityTypes.Contains(entityType))
{
return;
}
var baseClrType = entityType.ClrType?.GetTypeInfo().BaseType;
while (baseClrType != null)
{
var baseEntityType = model.FindEntityType(baseClrType);
if (baseEntityType != null)
{
if (!baseEntityType.IsAssignableFrom(entityType))
{
ShowError(CoreStrings.InconsistentInheritance(entityType.DisplayName(), baseEntityType.DisplayName()));
}
EnsureClrInheritance(model, baseEntityType, validEntityTypes);
break;
}
baseClrType = baseClrType.GetTypeInfo().BaseType;
}
if (entityType.ClrType?.IsInstantiable() == false
&& !entityType.GetDerivedTypes().Any())
{
ShowError(CoreStrings.AbstractLeafEntityType(entityType.DisplayName()));
}
validEntityTypes.Add(entityType);
}
public virtual InternalEntityEntry StartTracking(
IEntityType entityType, IKeyValue keyValue, object entity, ValueBuffer valueBuffer)
{
if (keyValue == KeyValue.InvalidKeyValue)
{
throw new InvalidOperationException(CoreStrings.InvalidPrimaryKey(entityType.DisplayName()));
}
var existingEntry = TryGetEntry(keyValue);
if (existingEntry != null)
{
if (existingEntry.Entity != entity)
{
throw new InvalidOperationException(CoreStrings.IdentityConflict(entityType.DisplayName()));
}
return existingEntry;
}
var newEntry = _subscriber.SnapshotAndSubscribe(_factory.Create(this, entityType, entity, valueBuffer), valueBuffer);
AddToIdentityMap(entityType, keyValue, newEntry);
_entityReferenceMap[entity] = newEntry;
_detachedEntityReferenceMap.Remove(entity);
newEntry.SetEntityState(EntityState.Unchanged);
return newEntry;
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
protected virtual void ValidateSharedContainerCompatibility(
[NotNull] IReadOnlyList <IEntityType> mappedTypes,
[NotNull] string container,
[NotNull] IDiagnosticsLogger <DbLoggerCategory.Model.Validation> logger)
{
var discriminatorValues = new Dictionary <object, IEntityType>();
IProperty partitionKey = null;
IEntityType firstEntityType = null;
foreach (var entityType in mappedTypes)
{
Check.DebugAssert(entityType.IsDocumentRoot(), "Only document roots expected here.");
var partitionKeyPropertyName = entityType.GetPartitionKeyPropertyName();
if (partitionKeyPropertyName != null)
{
var nextPartitionKeyProperty = entityType.FindProperty(partitionKeyPropertyName);
if (partitionKey == null)
{
if (firstEntityType != null)
{
throw new InvalidOperationException(CosmosStrings.NoPartitionKey(firstEntityType.DisplayName(), container));
}
partitionKey = nextPartitionKeyProperty;
}
else if (partitionKey.GetJsonPropertyName() != nextPartitionKeyProperty.GetJsonPropertyName())
{
throw new InvalidOperationException(
CosmosStrings.PartitionKeyStoreNameMismatch(
partitionKey.Name, firstEntityType.DisplayName(), partitionKey.GetJsonPropertyName(),
nextPartitionKeyProperty.Name, entityType.DisplayName(), nextPartitionKeyProperty.GetJsonPropertyName()));
}
}
else if (partitionKey != null)
{
throw new InvalidOperationException(CosmosStrings.NoPartitionKey(entityType.DisplayName(), container));
}
if (mappedTypes.Count == 1)
{
break;
}
if (firstEntityType == null)
{
firstEntityType = entityType;
}
if (entityType.ClrType?.IsInstantiable() == true &&
entityType.GetContainingPropertyName() == null)
{
if (entityType.GetDiscriminatorProperty() == null)
{
throw new InvalidOperationException(
CosmosStrings.NoDiscriminatorProperty(entityType.DisplayName(), container));
}
var discriminatorValue = entityType.GetDiscriminatorValue();
if (discriminatorValue == null)
{
throw new InvalidOperationException(
CosmosStrings.NoDiscriminatorValue(entityType.DisplayName(), container));
}
if (discriminatorValues.TryGetValue(discriminatorValue, out var duplicateEntityType))
{
throw new InvalidOperationException(
CosmosStrings.DuplicateDiscriminatorValue(
entityType.DisplayName(), discriminatorValue, duplicateEntityType.DisplayName(), container));
}
discriminatorValues[discriminatorValue] = entityType;
}
}
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual Expression CreateMaterializeExpression(
IEntityType entityType,
Expression valueBufferExpression,
int[] indexMap = null)
{
// ReSharper disable once SuspiciousTypeConversion.Global
var materializer = entityType as IEntityMaterializer;
if (materializer != null)
{
return Expression.Call(
Expression.Constant(materializer),
((Func<ValueBuffer, object>)materializer.CreateEntity).GetMethodInfo(),
valueBufferExpression);
}
if (!entityType.HasClrType())
{
throw new InvalidOperationException(CoreStrings.NoClrType(entityType.Name));
}
if (entityType.IsAbstract())
{
throw new InvalidOperationException(CoreStrings.CannotMaterializeAbstractType(entityType));
}
var constructorInfo = entityType.ClrType.GetDeclaredConstructor(null);
if (constructorInfo == null)
{
throw new InvalidOperationException(CoreStrings.NoParameterlessConstructor(entityType.DisplayName()));
}
var instanceVariable = Expression.Variable(entityType.ClrType, "instance");
var blockExpressions
= new List<Expression>
{
Expression.Assign(
instanceVariable,
Expression.New(constructorInfo))
};
blockExpressions.AddRange(
from mapping in _memberMapper.MapPropertiesToMembers(entityType)
let propertyInfo = mapping.Item2 as PropertyInfo
let targetMember
= propertyInfo != null
? Expression.Property(instanceVariable, propertyInfo)
: Expression.Field(instanceVariable, (FieldInfo)mapping.Item2)
select
Expression.Assign(
targetMember,
CreateReadValueExpression(
valueBufferExpression,
targetMember.Type,
indexMap?[mapping.Item1.GetIndex()] ?? mapping.Item1.GetIndex())));
blockExpressions.Add(instanceVariable);
return Expression.Block(new[] { instanceVariable }, blockExpressions);
}
