Ejemplo n.º 1
0
        /// <summary>
        /// Maps a collection of components or entities
        /// </summary>
        /// <param name="modelInspector">The model inspector</param>
        /// <param name="property">The property to map</param>
        /// <param name="mapper">The collections mapper</param>
        private void MapCollection(IModelInspector modelInspector, PropertyPath property, ICollectionPropertiesMapper mapper)
        {
            Type sourceType = property.GetContainerEntity(modelInspector);
            Type targetType = property.LocalMember.GetPropertyOrFieldType().DetermineCollectionElementType();

            var    primaryKeyProperty   = modelInspector.GetIdentifierMember(sourceType);
            var    foreignKeyProperty   = property.LocalMember;
            string foreignKeyColumnName = null;
            string foreignKeyName       = null;
            string tableName            = null;
            string schemaName           = null;

            if (modelInspector.IsEntity(targetType))
            {
                // Entity Relationship Mapping
                if (modelInspector.IsManyToManyItem(property.LocalMember))
                {
                    // Many to many
                    foreignKeyColumnName = namingEngine.ToManyToManyForeignKeyColumnName(sourceType, primaryKeyProperty);
                    foreignKeyName       = namingEngine.ToManyToManyForeignKeyName(sourceType, targetType, sourceType, primaryKeyProperty);
                    tableName            = namingEngine.ToManyToManyTableName(sourceType, targetType);
                    schemaName           = namingEngine.ToSchemaName(sourceType, targetType);
                }
                else
                {
                    // One to Many
                    foreignKeyColumnName = namingEngine.ToForeignKeyColumnName(sourceType, primaryKeyProperty);
                    foreignKeyName       = namingEngine.ToForeignKeyName(targetType, sourceType, sourceType, primaryKeyProperty);
                }
            }
            else if (IsElement(targetType))
            {
                // Element mapping
                foreignKeyColumnName = namingEngine.ToForeignKeyColumnName(sourceType, primaryKeyProperty);
                foreignKeyName       = namingEngine.ToComponentForeignKeyName(targetType, sourceType, foreignKeyProperty, primaryKeyProperty);
                tableName            = namingEngine.ToElementTableName(sourceType, targetType, property.LocalMember);
                schemaName           = namingEngine.ToSchemaName(sourceType, targetType);
            }
            else
            {
                // Component Relationship Mapping
                foreignKeyColumnName = namingEngine.ToForeignKeyColumnName(sourceType, primaryKeyProperty);
                foreignKeyName       = namingEngine.ToComponentForeignKeyName(targetType, sourceType, foreignKeyProperty, primaryKeyProperty);
                tableName            = namingEngine.ToComponentTableName(sourceType, targetType, property.LocalMember);
                schemaName           = namingEngine.ToSchemaName(sourceType, targetType);
            }

            // Mapping
            mapper.Schema(schemaName);
            mapper.Table(tableName);
            mapper.Key(k =>
            {
                k.Column(foreignKeyColumnName);
                k.ForeignKey(foreignKeyName);
            });
        }
Ejemplo n.º 2
0
        private static void OnBeforeMapCollection(IModelInspector inspector, PropertyPath member,
                                                  ICollectionPropertiesMapper customizer)
        {
            customizer.Key(mapper =>
            {
                mapper.Column(columnMapper => columnMapper.Name(member.GetContainerEntity(inspector).Name + "Id"));
                if (inspector.IsManyToManyItem(member.LocalMember))
                {
                    mapper.ForeignKey(
                        $"FK_{member.GetContainerEntity(inspector).Name.ToUpper()}_{member.LocalMember.Name.ToUpper()}_{member.GetContainerEntity(inspector).Name + "Id"}");
                }
                else
                {
                    var a = member.LocalMember.GetPropertyOrFieldType();
                    if (a.IsEnumerable(out var elementType))
                    {
                        mapper.ForeignKey(
                            $"FK_{elementType.Name.ToUpper()}_{member.GetContainerEntity(inspector).Name.ToUpper()}");
                    }
                }
            });

            if (inspector.IsManyToManyItem(member.LocalMember))
            {
                customizer.Table(member.LocalMember.DeclaringType.Name + "_" + member.LocalMember.Name);
            }
            else
            {
                if (member.LocalMember.GetPropertyOrFieldType().IsEnumerable(out var elementType) &&
                    typeof(Entity).IsAssignableFrom(elementType))
                {
                    var parentRef = elementType
                                    .GetProperties()
                                    .Single(p => p.PropertyType == member.GetContainerEntity(inspector));

                    customizer.Key(o => o.Column($"{parentRef.Name}Id"));
                    customizer.Inverse(true);
                }

                customizer.Cascade(Cascade.All | Cascade.DeleteOrphans);
            }
        }