private void GenerateIndependentAssociationType(
AssociationType associationType,
DbDatabaseMapping databaseMapping)
{
AssociationEndMember principalEnd;
AssociationEndMember dependentEnd;
if (!associationType.TryGuessPrincipalAndDependentEnds(out principalEnd, out dependentEnd))
{
if (!associationType.IsPrincipalConfigured())
{
throw Error.UnableToDeterminePrincipal((object)EntityTypeExtensions.GetClrType(associationType.SourceEnd.GetEntityType()), (object)EntityTypeExtensions.GetClrType(associationType.TargetEnd.GetEntityType()));
}
principalEnd = associationType.SourceEnd;
dependentEnd = associationType.TargetEnd;
}
EntityTypeMapping mappingInHierarchy = StructuralTypeMappingGenerator.GetEntityTypeMappingInHierarchy(databaseMapping, dependentEnd.GetEntityType());
EntityType table = mappingInHierarchy.MappingFragments.First <MappingFragment>().Table;
AssociationSetMapping associationSetMapping = AssociationTypeMappingGenerator.GenerateAssociationSetMapping(associationType, databaseMapping, principalEnd, dependentEnd, table);
this.GenerateIndependentForeignKeyConstraint(databaseMapping, principalEnd.GetEntityType(), dependentEnd.GetEntityType(), table, associationSetMapping, associationSetMapping.SourceEndMapping, associationType.Name, principalEnd, false);
foreach (EdmProperty keyProperty in dependentEnd.GetEntityType().KeyProperties())
{
associationSetMapping.TargetEndMapping.AddPropertyMapping(new ScalarPropertyMapping(keyProperty, mappingInHierarchy.GetPropertyMapping(keyProperty).ColumnProperty));
}
}
private static void GenerateForeignKeyAssociationType(
AssociationType associationType,
DbDatabaseMapping databaseMapping)
{
AssociationEndMember dependentEnd = associationType.Constraint.DependentEnd;
AssociationEndMember otherEnd = associationType.GetOtherEnd(dependentEnd);
EntityTypeMapping mappingInHierarchy = StructuralTypeMappingGenerator.GetEntityTypeMappingInHierarchy(databaseMapping, otherEnd.GetEntityType());
EntityTypeMapping dependentEntityTypeMapping = StructuralTypeMappingGenerator.GetEntityTypeMappingInHierarchy(databaseMapping, dependentEnd.GetEntityType());
ForeignKeyBuilder foreignKeyBuilder = new ForeignKeyBuilder(databaseMapping.Database, associationType.Name)
{
PrincipalTable = mappingInHierarchy.MappingFragments.Single <MappingFragment>().Table,
DeleteAction = otherEnd.DeleteBehavior != OperationAction.None ? otherEnd.DeleteBehavior : OperationAction.None
};
dependentEntityTypeMapping.MappingFragments.Single <MappingFragment>().Table.AddForeignKey(foreignKeyBuilder);
foreignKeyBuilder.DependentColumns = associationType.Constraint.ToProperties.Select <EdmProperty, EdmProperty>((Func <EdmProperty, EdmProperty>)(dependentProperty => dependentEntityTypeMapping.GetPropertyMapping(dependentProperty).ColumnProperty));
foreignKeyBuilder.SetAssociationType(associationType);
}
internal static void MapPrimitivePropertyFacets(
EdmProperty property,
EdmProperty column,
TypeUsage typeUsage)
{
if (StructuralTypeMappingGenerator.IsValidFacet(typeUsage, "FixedLength") && property.IsFixedLength.HasValue)
{
column.IsFixedLength = property.IsFixedLength;
}
if (StructuralTypeMappingGenerator.IsValidFacet(typeUsage, "MaxLength"))
{
column.IsMaxLength = property.IsMaxLength;
if (!column.IsMaxLength || property.MaxLength.HasValue)
{
column.MaxLength = property.MaxLength;
}
}
if (StructuralTypeMappingGenerator.IsValidFacet(typeUsage, "Unicode") && property.IsUnicode.HasValue)
{
column.IsUnicode = property.IsUnicode;
}
if (StructuralTypeMappingGenerator.IsValidFacet(typeUsage, "Precision"))
{
byte?precision = property.Precision;
if ((precision.HasValue ? new int?((int)precision.GetValueOrDefault()) : new int?()).HasValue)
{
column.Precision = property.Precision;
}
}
if (!StructuralTypeMappingGenerator.IsValidFacet(typeUsage, "Scale"))
{
return;
}
byte?scale = property.Scale;
if (!(scale.HasValue ? new int?((int)scale.GetValueOrDefault()) : new int?()).HasValue)
{
return;
}
column.Scale = property.Scale;
}
private void GenerateIndependentForeignKeyConstraint(
DbDatabaseMapping databaseMapping,
EntityType principalEntityType,
EntityType dependentEntityType,
EntityType dependentTable,
AssociationSetMapping associationSetMapping,
EndPropertyMapping associationEndMapping,
string name,
AssociationEndMember principalEnd,
bool isPrimaryKeyColumn = false)
{
EntityType table = StructuralTypeMappingGenerator.GetEntityTypeMappingInHierarchy(databaseMapping, principalEntityType).MappingFragments.Single <MappingFragment>().Table;
ForeignKeyBuilder foreignKeyBuilder = new ForeignKeyBuilder(databaseMapping.Database, name)
{
PrincipalTable = table,
DeleteAction = associationEndMapping.AssociationEnd.DeleteBehavior != OperationAction.None ? associationEndMapping.AssociationEnd.DeleteBehavior : OperationAction.None
};
NavigationProperty principalNavigationProperty = databaseMapping.Model.EntityTypes.SelectMany <EntityType, NavigationProperty>((Func <EntityType, IEnumerable <NavigationProperty> >)(e => (IEnumerable <NavigationProperty>)e.DeclaredNavigationProperties)).SingleOrDefault <NavigationProperty>((Func <NavigationProperty, bool>)(n => n.ResultEnd == principalEnd));
dependentTable.AddForeignKey(foreignKeyBuilder);
foreignKeyBuilder.DependentColumns = this.GenerateIndependentForeignKeyColumns(principalEntityType, dependentEntityType, associationSetMapping, associationEndMapping, dependentTable, isPrimaryKeyColumn, principalNavigationProperty);
}
protected EdmProperty MapTableColumn(
EdmProperty property,
string columnName,
bool isInstancePropertyOnDerivedType)
{
TypeUsage storeType = this._providerManifest.GetStoreType(TypeUsage.Create((EdmType)property.UnderlyingPrimitiveType, (IEnumerable <Facet>)property.TypeUsage.Facets));
EdmProperty column = new EdmProperty(columnName, storeType)
{
Nullable = isInstancePropertyOnDerivedType || property.Nullable
};
if (column.IsPrimaryKeyColumn)
{
column.Nullable = false;
}
StoreGeneratedPattern?generatedPattern = property.GetStoreGeneratedPattern();
if (generatedPattern.HasValue)
{
column.StoreGeneratedPattern = generatedPattern.Value;
}
StructuralTypeMappingGenerator.MapPrimitivePropertyFacets(property, column, storeType);
return(column);
}
