/// <summary>
/// Create a new handler instance.
/// </summary>
public NetTopologySuiteGeographyHandler()
{
_writer = new SqlServerBytesWriter {
IsGeography = true
};
_reader = new SqlServerBytesReader {
IsGeography = true
};
}
protected override byte[] FromGeometry(object value)
{
var geometry = value as Geometry;
if (geometry == null)
{
return(null);
}
SetDefaultSRID(geometry);
var writer = new SqlServerBytesWriter {
IsGeography = IsGeography
};
var bytes = writer.Write(geometry);
return(bytes);
}
/// <summary>
/// Common logic for two versions of GetDataTable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="context"></param>
/// <param name="type"></param>
/// <param name="entities"></param>
/// <param name="tableInfo"></param>
/// <returns></returns>
private static DataTable InnerGetDataTable <T>(DbContext context, ref Type type, IList <T> entities, TableInfo tableInfo)
{
var dataTable = new DataTable();
var columnsDict = new Dictionary <string, object>();
var ownedEntitiesMappedProperties = new HashSet <string>();
var isSqlServer = context.Database.ProviderName.EndsWith(DbServer.SqlServer.ToString());
var sqlServerBytesWriter = new SqlServerBytesWriter
{
IsGeography = true
};
var objectIdentifier = tableInfo.ObjectIdentifier;
type = tableInfo.HasAbstractList ? entities[0].GetType() : type;
var entityType = context.Model.FindEntityType(type);
var entityTypeProperties = entityType.GetProperties();
var entityPropertiesDict = entityTypeProperties.Where(a => tableInfo.PropertyColumnNamesDict.ContainsKey(a.Name) ||
(tableInfo.BulkConfig.OperationType != OperationType.Read && a.Name == tableInfo.TimeStampPropertyName))
.ToDictionary(a => a.Name, a => a);
var entityNavigationOwnedDict = entityType.GetNavigations().Where(a => a.TargetEntityType.IsOwned()).ToDictionary(a => a.Name, a => a);
var entityShadowFkPropertiesDict = entityTypeProperties.Where(a => a.IsShadowProperty() &&
a.IsForeignKey() &&
a.GetContainingForeignKeys().FirstOrDefault()?.DependentToPrincipal?.Name != null)
.ToDictionary(a => a.Name, a => a);
var entityShadowFkPropertyColumnNamesDict = entityShadowFkPropertiesDict.ToDictionary(a => a.Key, a => a.Value.GetColumnName(objectIdentifier));
var shadowPropertyColumnNamesDict = entityPropertiesDict.Where(a => a.Value.IsShadowProperty()).ToDictionary(a => a.Key, a => a.Value.GetColumnName(objectIdentifier));
var properties = type.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
var discriminatorColumn = GetDiscriminatorColumn(tableInfo);
foreach (var property in properties)
{
if (entityPropertiesDict.ContainsKey(property.Name))
{
var propertyEntityType = entityPropertiesDict[property.Name];
string columnName = propertyEntityType.GetColumnName(objectIdentifier);
var isConvertible = tableInfo.ConvertibleColumnConverterDict.ContainsKey(columnName);
var propertyType = isConvertible ? tableInfo.ConvertibleColumnConverterDict[columnName].ProviderClrType : property.PropertyType;
var underlyingType = Nullable.GetUnderlyingType(propertyType);
if (underlyingType != null)
{
propertyType = underlyingType;
}
if (isSqlServer && (propertyType == typeof(Geometry) || propertyType.IsSubclassOf(typeof(Geometry))))
{
propertyType = typeof(byte[]);
tableInfo.HasSpatialType = true;
if (tableInfo.BulkConfig.PropertiesToIncludeOnCompare != null || tableInfo.BulkConfig.PropertiesToIncludeOnCompare != null)
{
throw new InvalidOperationException("OnCompare properties Config can not be set for Entity with Spatial types like 'Geometry'");
}
}
if (!columnsDict.ContainsKey(property.Name))
{
dataTable.Columns.Add(columnName, propertyType);
columnsDict.Add(property.Name, null);
}
}
else if (entityShadowFkPropertiesDict.ContainsKey(property.Name))
{
var fk = entityShadowFkPropertiesDict[property.Name];
entityPropertiesDict.TryGetValue(fk.GetColumnName(objectIdentifier), out var entityProperty);
if (entityProperty == null) // BulkRead
{
continue;
}
var columnName = entityProperty.GetColumnName(objectIdentifier);
var propertyType = entityProperty.ClrType;
var underlyingType = Nullable.GetUnderlyingType(propertyType);
if (underlyingType != null)
{
propertyType = underlyingType;
}
if (propertyType == typeof(Geometry) && isSqlServer)
{
propertyType = typeof(byte[]);
}
if (!columnsDict.ContainsKey(property.Name))
{
dataTable.Columns.Add(columnName, propertyType);
columnsDict.Add(columnName, null);
}
}
else if (entityNavigationOwnedDict.ContainsKey(property.Name)) // isOWned
{
Type navOwnedType = type.Assembly.GetType(property.PropertyType.FullName);
var ownedEntityType = context.Model.FindEntityType(property.PropertyType);
if (ownedEntityType == null)
{
ownedEntityType = context.Model.GetEntityTypes().SingleOrDefault(a => a.DefiningNavigationName == property.Name && a.DefiningEntityType.Name == entityType.Name);
}
var ownedEntityProperties = ownedEntityType.GetProperties().ToList();
var ownedEntityPropertyNameColumnNameDict = new Dictionary <string, string>();
foreach (var ownedEntityProperty in ownedEntityProperties)
{
if (!ownedEntityProperty.IsPrimaryKey())
{
string columnName = ownedEntityProperty.GetColumnName(objectIdentifier);
if (tableInfo.PropertyColumnNamesDict.ContainsValue(columnName))
{
ownedEntityPropertyNameColumnNameDict.Add(ownedEntityProperty.Name, columnName);
ownedEntitiesMappedProperties.Add(property.Name + "_" + ownedEntityProperty.Name);
}
}
}
var innerProperties = property.PropertyType.GetProperties();
if (!tableInfo.LoadOnlyPKColumn)
{
foreach (var innerProperty in innerProperties)
{
if (ownedEntityPropertyNameColumnNameDict.ContainsKey(innerProperty.Name))
{
var columnName = ownedEntityPropertyNameColumnNameDict[innerProperty.Name];
var propertyName = $"{property.Name}_{innerProperty.Name}";
if (tableInfo.ConvertibleColumnConverterDict.ContainsKey(propertyName))
{
var convertor = tableInfo.ConvertibleColumnConverterDict[propertyName];
var underlyingType = Nullable.GetUnderlyingType(convertor.ProviderClrType) ?? convertor.ProviderClrType;
dataTable.Columns.Add(columnName, underlyingType);
}
else
{
var ownedPropertyType = Nullable.GetUnderlyingType(innerProperty.PropertyType) ?? innerProperty.PropertyType;
dataTable.Columns.Add(columnName, ownedPropertyType);
}
columnsDict.Add(property.Name + "_" + innerProperty.Name, null);
}
}
}
}
}
if (tableInfo.BulkConfig.EnableShadowProperties)
{
foreach (var shadowProperty in entityPropertiesDict.Values.Where(a => a.IsShadowProperty()))
{
var columnName = shadowProperty.GetColumnName(objectIdentifier);
// If a model has an entity which has a relationship without an explicity defined FK, the data table will already contain the foreign key shadow property
if (dataTable.Columns.Contains(columnName))
{
continue;
}
var isConvertible = tableInfo.ConvertibleColumnConverterDict.ContainsKey(columnName);
var propertyType = isConvertible ? tableInfo.ConvertibleColumnConverterDict[columnName].ProviderClrType : shadowProperty.ClrType;
var underlyingType = Nullable.GetUnderlyingType(propertyType);
if (underlyingType != null)
{
propertyType = underlyingType;
}
if (isSqlServer && (propertyType == typeof(Geometry) || propertyType.IsSubclassOf(typeof(Geometry))))
{
propertyType = typeof(byte[]);
}
dataTable.Columns.Add(columnName, propertyType);
columnsDict.Add(shadowProperty.Name, null);
}
}
if (discriminatorColumn != null)
{
dataTable.Columns.Add(discriminatorColumn, typeof(string));
columnsDict.Add(discriminatorColumn, type.Name);
}
bool hasConverterProperties = tableInfo.ConvertiblePropertyColumnDict.Count > 0;
foreach (var entity in entities)
{
foreach (var property in properties)
{
var propertyValue = tableInfo.FastPropertyDict.ContainsKey(property.Name) ? tableInfo.FastPropertyDict[property.Name].Get(entity) : null;
if (tableInfo.BulkConfig.DateTime2PrecisionForceRound && isSqlServer && tableInfo.DateTime2PropertiesPrecisionLessThen7Dict.ContainsKey(property.Name))
{
DateTime dateTimePropertyValue = (DateTime)propertyValue;
int precision = tableInfo.DateTime2PropertiesPrecisionLessThen7Dict[property.Name];
int digitsToRemove = 7 - precision;
int powerOf10 = (int)Math.Pow(10, digitsToRemove);
long subsecondTicks = dateTimePropertyValue.Ticks % 10000000;
long ticksToRound = subsecondTicks + (subsecondTicks % 10 == 0 ? 1 : 0); // if ends with 0 add 1 tick to make sure rounding of value .5_zeros is rounded to Upper like SqlServer is doing, not to Even as Math.Round works
int roundedTicks = Convert.ToInt32(Math.Round((decimal)ticksToRound / powerOf10, 0)) * powerOf10;
dateTimePropertyValue = dateTimePropertyValue.AddTicks(-subsecondTicks).AddTicks(roundedTicks);
propertyValue = dateTimePropertyValue;
}
if (hasConverterProperties && tableInfo.ConvertiblePropertyColumnDict.ContainsKey(property.Name))
{
string columnName = tableInfo.ConvertiblePropertyColumnDict[property.Name];
propertyValue = tableInfo.ConvertibleColumnConverterDict[columnName].ConvertToProvider.Invoke(propertyValue);
}
if (tableInfo.HasSpatialType && propertyValue is Geometry geometryValue)
{
geometryValue.SRID = tableInfo.BulkConfig.SRID;
propertyValue = sqlServerBytesWriter.Write(geometryValue);
}
if (entityPropertiesDict.ContainsKey(property.Name))
{
columnsDict[property.Name] = propertyValue;
}
else if (entityShadowFkPropertiesDict.ContainsKey(property.Name))
{
var foreignKeyShadowProperty = entityShadowFkPropertiesDict[property.Name];
var columnName = entityShadowFkPropertyColumnNamesDict[property.Name];
entityPropertiesDict.TryGetValue(columnName, out var entityProperty);
if (entityProperty == null) // BulkRead
{
continue;
}
columnsDict[columnName] = propertyValue == null ? null : foreignKeyShadowProperty.FindFirstPrincipal().PropertyInfo.GetValue(propertyValue); // TODO Check if can be optimized
}
else if (entityNavigationOwnedDict.ContainsKey(property.Name) && !tableInfo.LoadOnlyPKColumn)
{
var ownedProperties = property.PropertyType.GetProperties().Where(a => ownedEntitiesMappedProperties.Contains(property.Name + "_" + a.Name));
foreach (var ownedProperty in ownedProperties)
{
var columnName = $"{property.Name}_{ownedProperty.Name}";
var ownedPropertyValue = propertyValue == null ? null : tableInfo.FastPropertyDict[columnName].Get(propertyValue);
if (tableInfo.ConvertibleColumnConverterDict.ContainsKey(columnName))
{
var converter = tableInfo.ConvertibleColumnConverterDict[columnName];
columnsDict[columnName] = ownedPropertyValue == null ? null : converter.ConvertToProvider.Invoke(ownedPropertyValue);
}
else
{
columnsDict[columnName] = ownedPropertyValue;
}
}
}
}
if (tableInfo.BulkConfig.EnableShadowProperties)
{
foreach (var shadowPropertyName in shadowPropertyColumnNamesDict.Keys)
{
var shadowProperty = entityPropertiesDict[shadowPropertyName];
var columnName = shadowPropertyColumnNamesDict[shadowPropertyName];
var propertyValue = context.Entry(entity).Property(shadowPropertyName).CurrentValue;
if (tableInfo.ConvertibleColumnConverterDict.ContainsKey(columnName))
{
propertyValue = tableInfo.ConvertibleColumnConverterDict[columnName].ConvertToProvider.Invoke(propertyValue);
}
columnsDict[shadowPropertyName] = propertyValue;
}
}
var record = columnsDict.Values.ToArray();
dataTable.Rows.Add(record);
}
return(dataTable);
}
/// <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 GeometryValueConverter(SqlServerBytesReader reader, SqlServerBytesWriter writer)
: base(
g => new SqlBytes(writer.Write(g)),
b => (TGeometry)reader.Read(b.Value))
{
}
/// <summary>
/// Common logic for two versions of GetDataTable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="context"></param>
/// <param name="type"></param>
/// <param name="entities"></param>
/// <param name="tableInfo"></param>
/// <returns></returns>
private static DataTable InnerGetDataTable <T>(DbContext context, ref Type type, IList <T> entities, TableInfo tableInfo)
{
var dataTable = new DataTable();
var columnsDict = new Dictionary <string, object>();
var ownedEntitiesMappedProperties = new HashSet <string>();
var isSqlServer = context.Database.ProviderName.EndsWith(DbServer.SqlServer.ToString());
var sqlServerBytesWriter = new SqlServerBytesWriter
{
IsGeography = true
};
type = tableInfo.HasAbstractList ? entities[0].GetType() : type;
var entityType = context.Model.FindEntityType(type);
var entityTypeProperties = entityType.GetProperties();
var entityPropertiesDict = entityTypeProperties.Where(a => tableInfo.PropertyColumnNamesDict.ContainsKey(a.Name)).ToDictionary(a => a.Name, a => a);
var entityNavigationOwnedDict = entityType.GetNavigations().Where(a => a.GetTargetType().IsOwned()).ToDictionary(a => a.Name, a => a);
var entityShadowFkPropertiesDict = entityTypeProperties.Where(a =>
a.IsShadowProperty() &&
a.IsForeignKey() &&
a.GetContainingForeignKeys().FirstOrDefault()?.DependentToPrincipal?.Name != null)
.ToDictionary(x => x.Name, a => a);
var properties = type.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
var discriminatorColumn = GetDiscriminatorColumn(tableInfo);
foreach (var property in properties)
{
if (entityPropertiesDict.ContainsKey(property.Name))
{
var propertyEntityType = entityPropertiesDict[property.Name];
string columnName = propertyEntityType.GetColumnName();
var isConvertible = tableInfo.ConvertibleProperties.ContainsKey(columnName);
var propertyType = isConvertible ? tableInfo.ConvertibleProperties[columnName].ProviderClrType : property.PropertyType;
var underlyingType = Nullable.GetUnderlyingType(propertyType);
if (underlyingType != null)
{
propertyType = underlyingType;
}
if (isSqlServer && (propertyType == typeof(Geometry) || propertyType.IsSubclassOf(typeof(Geometry))))
{
propertyType = typeof(byte[]);
tableInfo.HasSpatialType = true;
if (tableInfo.BulkConfig.PropertiesToIncludeOnCompare != null || tableInfo.BulkConfig.PropertiesToIncludeOnCompare != null)
{
throw new InvalidOperationException("OnCompare properties Config can not be set for Entity with Spatial types like 'Geometry'");
}
}
if (!columnsDict.ContainsKey(property.Name))
{
dataTable.Columns.Add(columnName, propertyType);
columnsDict.Add(property.Name, null);
}
}
else if (entityShadowFkPropertiesDict.ContainsKey(property.Name))
{
var fk = entityShadowFkPropertiesDict[property.Name];
entityPropertiesDict.TryGetValue(fk.GetColumnName(), out var entityProperty);
if (entityProperty == null) // BulkRead
{
continue;
}
var columnName = entityProperty.GetColumnName();
var propertyType = entityProperty.ClrType;
var underlyingType = Nullable.GetUnderlyingType(propertyType);
if (underlyingType != null)
{
propertyType = underlyingType;
}
if (propertyType == typeof(Geometry) && isSqlServer)
{
propertyType = typeof(byte[]);
}
if (!columnsDict.ContainsKey(property.Name))
{
dataTable.Columns.Add(columnName, propertyType);
columnsDict.Add(columnName, null);
}
}
else if (entityNavigationOwnedDict.ContainsKey(property.Name)) // isOWned
{
Type navOwnedType = type.Assembly.GetType(property.PropertyType.FullName);
var ownedEntityType = context.Model.FindEntityType(property.PropertyType);
if (ownedEntityType == null)
{
ownedEntityType = context.Model.GetEntityTypes().SingleOrDefault(a => a.DefiningNavigationName == property.Name && a.DefiningEntityType.Name == entityType.Name);
}
var ownedEntityProperties = ownedEntityType.GetProperties().ToList();
var ownedEntityPropertyNameColumnNameDict = new Dictionary <string, string>();
foreach (var ownedEntityProperty in ownedEntityProperties)
{
if (!ownedEntityProperty.IsPrimaryKey())
{
string columnName = ownedEntityProperty.GetColumnName();
if (tableInfo.PropertyColumnNamesDict.ContainsValue(columnName))
{
ownedEntityPropertyNameColumnNameDict.Add(ownedEntityProperty.Name, columnName);
ownedEntitiesMappedProperties.Add(property.Name + "_" + ownedEntityProperty.Name);
}
}
}
var innerProperties = property.PropertyType.GetProperties();
if (!tableInfo.LoadOnlyPKColumn)
{
foreach (var innerProperty in innerProperties)
{
if (ownedEntityPropertyNameColumnNameDict.ContainsKey(innerProperty.Name))
{
var columnName = ownedEntityPropertyNameColumnNameDict[innerProperty.Name];
var propertyName = $"{property.Name}_{innerProperty.Name}";
if (tableInfo.ConvertibleProperties.ContainsKey(propertyName))
{
var convertor = tableInfo.ConvertibleProperties[propertyName];
var underlyingType = Nullable.GetUnderlyingType(convertor.ProviderClrType) ?? convertor.ProviderClrType;
dataTable.Columns.Add(columnName, underlyingType);
}
else
{
var ownedPropertyType = Nullable.GetUnderlyingType(innerProperty.PropertyType) ?? innerProperty.PropertyType;
dataTable.Columns.Add(columnName, ownedPropertyType);
}
columnsDict.Add(property.Name + "_" + innerProperty.Name, null);
}
}
}
}
}
if (tableInfo.BulkConfig.EnableShadowProperties)
{
foreach (var sp in entityPropertiesDict.Values.Where(y => y.IsShadowProperty()))
{
var columnName = sp.GetColumnName();
// If a model has an entity which has a relationship without an explicity defined FK, the data table will already contain the foreign key shadow property
if (dataTable.Columns.Contains(columnName))
{
continue;
}
var isConvertible = tableInfo.ConvertibleProperties.ContainsKey(columnName);
var propertyType = isConvertible ? tableInfo.ConvertibleProperties[columnName].ProviderClrType : sp.ClrType;
var underlyingType = Nullable.GetUnderlyingType(propertyType);
if (underlyingType != null)
{
propertyType = underlyingType;
}
if (isSqlServer && (propertyType == typeof(Geometry) || propertyType.IsSubclassOf(typeof(Geometry))))
{
propertyType = typeof(byte[]);
}
dataTable.Columns.Add(columnName, propertyType);
columnsDict.Add(sp.Name, null);
}
}
if (discriminatorColumn != null)
{
dataTable.Columns.Add(discriminatorColumn, typeof(string));
columnsDict.Add(discriminatorColumn, type.Name);
}
foreach (var entity in entities)
{
foreach (var property in properties)
{
var propertyValue = tableInfo.FastPropertyDict.ContainsKey(property.Name) ? tableInfo.FastPropertyDict[property.Name].Get(entity) : null;
if (entityPropertiesDict.ContainsKey(property.Name))
{
string columnName = entityPropertiesDict[property.Name].GetColumnName();
if (tableInfo.ConvertibleProperties.ContainsKey(columnName))
{
propertyValue = tableInfo.ConvertibleProperties[columnName].ConvertToProvider.Invoke(propertyValue);
}
}
if (propertyValue is Geometry geometryValue && isSqlServer)
{
geometryValue.SRID = tableInfo.BulkConfig.SRID;
propertyValue = sqlServerBytesWriter.Write(geometryValue);
}
if (entityPropertiesDict.ContainsKey(property.Name))
{
columnsDict[property.Name] = propertyValue;
}
else if (entityShadowFkPropertiesDict.ContainsKey(property.Name))
{
var fk = entityShadowFkPropertiesDict[property.Name];
var columnName = fk.GetColumnName();
entityPropertiesDict.TryGetValue(fk.GetColumnName(), out var entityProperty);
if (entityProperty == null) // BulkRead
{
continue;
}
columnsDict[columnName] = propertyValue == null ? null : fk.FindFirstPrincipal().PropertyInfo.GetValue(propertyValue);
}
else if (entityNavigationOwnedDict.ContainsKey(property.Name) && !tableInfo.LoadOnlyPKColumn)
{
var ownedProperties = property.PropertyType.GetProperties().Where(a => ownedEntitiesMappedProperties.Contains(property.Name + "_" + a.Name));
foreach (var ownedProperty in ownedProperties)
{
var columnName = $"{property.Name}_{ownedProperty.Name}";
var ownedPropertyValue = propertyValue == null ? null : tableInfo.FastPropertyDict[columnName].Get(propertyValue);
if (tableInfo.ConvertibleProperties.ContainsKey(columnName))
{
var converter = tableInfo.ConvertibleProperties[columnName];
columnsDict[columnName] = ownedPropertyValue == null ? null : converter.ConvertToProvider.Invoke(ownedPropertyValue);
}
else
{
columnsDict[columnName] = ownedPropertyValue;
}
}
}
}
if (tableInfo.BulkConfig.EnableShadowProperties)
{
foreach (var sp in entityPropertiesDict.Values.Where(y => y.IsShadowProperty()))
{
var propertyValue = context.Entry(entity).Property(sp.Name).CurrentValue;
var columnName = sp.GetColumnName();
if (tableInfo.ConvertibleProperties.ContainsKey(columnName))
{
propertyValue = tableInfo.ConvertibleProperties[columnName].ConvertToProvider.Invoke(propertyValue);
}
columnsDict[sp.Name] = propertyValue;
}
}
var record = columnsDict.Values.ToArray();
dataTable.Rows.Add(record);
}
return(dataTable);
}
