internal static string GetPropertyOrColumnName(PropertyInfo property, bool ignoreMappings, IEntityMap entityMap, bool isColumn)
{
string propertyOrColumnName;
if (ignoreMappings)
{
propertyOrColumnName = property.Name;
}
else if (entityMap != null)
{
var propertyMap = entityMap.Properties.FirstOrDefault(p => p.Property.PropertyName == property.Name);
if (propertyMap != null && ((isColumn && propertyMap.Property.MappedColumnName != null) || propertyMap.Property.MappedPropertyName != null))
{
propertyOrColumnName = isColumn ? propertyMap.Property.MappedColumnName : propertyMap.Property.MappedPropertyName;
}
else
{
propertyOrColumnName = isColumn ? MapColumnAttribute.GetMappedColumnName(property) : MapPropertyAttribute.GetMappedPropertyName(property);
}
}
else
{
propertyOrColumnName = isColumn ? MapColumnAttribute.GetMappedColumnName(property) : MapPropertyAttribute.GetMappedPropertyName(property);
}
return(propertyOrColumnName);
}
public ReflectedProperty(PropertyInfo property, int position = -1, bool readAttributes = true)
{
PropertyName = property.Name;
PropertyType = property.PropertyType;
IsPersistent = true;
IsSelectable = true;
IsSerializable = true;
IsBinary = property.PropertyType == typeof(byte[]);
IsSimpleList = !IsBinary && Reflector.IsSimpleList(property.PropertyType);
IsDataEntity = Reflector.IsDataEntity(property.PropertyType);
Type elementType;
IsDataEntityList = Reflector.IsDataEntityList(property.PropertyType, out elementType);
ElementType = elementType;
IsPolymorphicList = IsDataEntityList && elementType != null && elementType.IsAbstract && !elementType.IsInterface;
if (IsDataEntityList)
{
IsList = true;
IsListInterface = property.PropertyType.GetGenericTypeDefinition() == typeof(IList <>);
}
else
{
IsList = !IsBinary && Reflector.IsList(property.PropertyType);
if (IsList)
{
ElementType = Reflector.GetElementType(property.PropertyType);
IsListInterface = property.PropertyType.GetGenericTypeDefinition() == typeof(IList <>);
}
}
IsSimpleType = !IsBinary && Reflector.IsSimpleType(property.PropertyType);
IsNullableType = Reflector.IsNullableType(property.PropertyType);
CanWrite = property.CanWrite;
CanRead = property.CanRead;
Position = position;
IsObject = IsDataEntity || (property.PropertyType.IsClass && !IsSimpleType && !IsSimpleList && !IsBinary && !IsList);
IsObjectList = IsDataEntityList || (IsList && ElementType != null && ElementType.IsClass && !Reflector.IsSimpleType(ElementType) && !Reflector.IsSimpleList(ElementType));
Converter = null;
MappedColumnName = property.Name;
if (readAttributes)
{
if (IsListInterface)
{
Sorted = property.GetCustomAttributes(typeof(SortedAttribute), false).Cast <SortedAttribute>().FirstOrDefault();
Distinct = property.GetCustomAttributes(typeof(DistinctAttribute), false).Cast <DistinctAttribute>().FirstOrDefault();
}
MappedColumnName = MapColumnAttribute.GetMappedColumnName(property);
MappedPropertyName = MapPropertyAttribute.GetMappedPropertyName(property);
var typeConverter = TypeConverterAttribute.GetTypeConverter(property);
if (typeConverter != null)
{
AddConverter(typeConverter.TypeConverterType);
}
var items = property.GetCustomAttributes(true).OfType <PropertyAttribute>();
foreach (var item in items)
{
var primaryKeyAttribute = item as PrimaryKeyAttribute;
if (primaryKeyAttribute != null)
{
IsPrimaryKey = true;
KeyPosition = primaryKeyAttribute.Position;
}
else
{
var generategAttribute = item as Generate.UsingAttribute;
if (generategAttribute != null)
{
Generator = generategAttribute.Type;
}
else if (item is Generate.NativeAttribute)
{
IsAutoGenerated = true;
}
else
{
var referencesAttribute = item as ReferencesAttribute;
if (referencesAttribute != null)
{
Parent = referencesAttribute.Parent;
RefPosition = referencesAttribute.Position;
}
else
{
var parameterAttribute = item as ParameterAttribute;
if (parameterAttribute != null)
{
ParameterName = parameterAttribute.Name;
Direction = parameterAttribute.Direction;
}
else if (item is DoNotPersistAttribute)
{
IsPersistent = false;
}
else if (item is DoNotSelectAttribute)
{
IsSelectable = false;
}
else if (item is DoNotSerializeAttribute)
{
IsSerializable = false;
}
}
}
}
}
}
}
private static Tuple <string, Param[], List <object> > GetCommitStatement(ChangeNode rootNode, DbConnection connection)
{
var dialect = DialectFactory.GetProvider(connection);
var dataEntities = new List <object>();
var sql = new StringBuilder();
var statementId = 0;
// Inserts
var newNodes = GetChanges(rootNode, ObjectState.New);
var tableCreated = false;
var tempTableName = dialect.GetTemporaryTableName("ID");
var allParameters = new List <Param>();
foreach (var newNode in newNodes.Where(n => n.IsObject))
{
var item = newNode.Value;
if (item != null)
{
dataEntities.Add(item);
}
else
{
continue;
}
var objectType = newNode.Value.GetType();
var propertyMap = Reflector.GetPropertyMap(objectType);
var autoGenProperty = propertyMap.Where(p => p.Key.CanWrite && p.Value != null && p.Value.IsAutoGenerated).Select(p => p.Key).FirstOrDefault();
var autoGenType = DbType.String;
if (!tableCreated)
{
if (autoGenProperty != null)
{
autoGenType = Reflector.ClrToDbType(autoGenProperty.PropertyType);
}
sql.AppendFormat(dialect.CreateTemporaryTable("ID", new Dictionary <string, DbType> {
{ "StatementId", DbType.Int32 }, { "GeneratedId", autoGenType }, { "ParameterName", DbType.AnsiString }, { "PropertyName", DbType.AnsiString }
})).AppendLine();
tableCreated = true;
}
var parameters = ObjectExtensions.GetInsertParameters(newNode.Value, propertyMap, statementId);
allParameters.AddRange(parameters);
if (parameters.Length > 0)
{
string commandName = SqlBuilder.GetInsertStatement(objectType, parameters, dialect);
var autoGenParameter = parameters.FirstOrDefault(p => p.IsAutoGenerated);
if (autoGenParameter != null)
{
sql.AppendFormat(dialect.DeclareVariable(autoGenParameter.Name, autoGenType)).AppendLine();
sql.AppendFormat(dialect.AssignVariable(autoGenParameter.Name, autoGenParameter.Type.GetDefault())).AppendLine();
}
sql.AppendLine(commandName);
if (autoGenParameter != null)
{
sql.AppendFormat(dialect.ComputeAutoIncrement(autoGenParameter.Name, () => SqlBuilder.GetTableNameForSql(objectType, dialect))).AppendLine();
sql.AppendFormat("INSERT INTO " + tempTableName + " ({4}StatementId{5}, {4}GeneratedId{5}, {4}ParameterName{5}, {4}PropertyName{5}) VALUES ({0}, {1}, '{2}', '{3}')", statementId, dialect.EvaluateVariable(dialect.ParameterPrefix + autoGenParameter.Name), autoGenParameter.Name, autoGenProperty.Name, dialect.IdentifierEscapeStartCharacter, dialect.IdentifierEscapeEndCharacter).AppendLine();
}
statementId++;
}
}
if (newNodes.Count > 0)
{
sql.AppendLine("SELECT * FROM " + tempTableName);
}
if (tableCreated && !dialect.SupportsTemporaryTables)
{
sql.AppendLine("DROP TABLE " + tempTableName);
}
// Updates
var dirtyNodes = GetChanges(rootNode, ObjectState.Dirty);
var dirtyNodeParents = dirtyNodes.Where(n => n.IsSimpleLeaf).Select(n => n.Parent).Distinct();
foreach (var dirtyNode in dirtyNodeParents)
{
var objectType = dirtyNode.Value.GetType();
var propertyMap = Reflector.GetPropertyMap(objectType).ToDictionary(p => p.Key.Name, p => p);
var parameters = new List <Param>();
foreach (var change in dirtyNode.Nodes.Where(n => n.IsSimpleLeaf))
{
KeyValuePair <PropertyInfo, ReflectedProperty> map;
if (propertyMap.TryGetValue(change.PropertyName, out map))
{
var property = map.Key;
var parameterName = change.PropertyName;
if (map.Value != null && !string.IsNullOrEmpty(map.Value.ParameterName))
{
parameterName = map.Value.ParameterName;
}
parameters.Add(new Param {
Name = parameterName + "_" + statementId, Value = change.Value, Source = MapColumnAttribute.GetMappedColumnName(property)
});
}
}
var primaryKey = new List <Param>();
foreach (var primaryKeyMap in propertyMap.Values.Where(p => p.Value.IsPrimaryKey))
{
var value = dirtyNode.Value.Property(primaryKeyMap.Key.Name);
var parameterName = primaryKeyMap.Key.Name;
if (primaryKeyMap.Value != null && !string.IsNullOrEmpty(primaryKeyMap.Value.ParameterName))
{
parameterName = primaryKeyMap.Value.ParameterName;
}
primaryKey.Add(new Param {
Name = parameterName + "_" + statementId, Value = value, Source = MapColumnAttribute.GetMappedColumnName(primaryKeyMap.Key)
});
}
var commandName = SqlBuilder.GetUpdateStatement(objectType, parameters, primaryKey, dialect);
allParameters.AddRange(parameters);
allParameters.AddRange(primaryKey);
sql.Append(commandName).AppendLine();
statementId++;
}
// Deletes
var deletedNodes = GetChanges(rootNode, ObjectState.Deleted);
foreach (var deletedNode in deletedNodes)
{
var objectType = deletedNode.Value.GetType();
var propertyMap = Reflector.GetPropertyMap(objectType);
var parameters = ObjectExtensions.GetDeleteParameters(deletedNode.Value, propertyMap, statementId);
var commandName = SqlBuilder.GetDeleteStatement(objectType, parameters, dialect);
allParameters.AddRange(parameters);
sql.Append(commandName).AppendLine();
statementId++;
}
return(Tuple.Create(sql.ToString(), allParameters.ToArray(), dataEntities));
}
