public Column(EntityTable table, string name)
{
Table = table;
Restrictions = new List <Restriction>();
Parameters = new List <Parameter>();
Name = name;
Alias = $"{table.Type.Name}.{Name}";
PropertyName = string.Empty;
PropertyType = typeof(object);
}
public EntityColumn(ColumnAttribute columnAttribute, EntityTable table)
: base(table, columnAttribute.ColumnName)
{
ColumnAttribute = columnAttribute;
ColumnType = ColumnTypes.EntityColumn;
DataColumn = new DataColumn(Name);
GetPropertyInfo();
Logger.Trace($"Loaded database mapping for Property '{PropertyName}' of Entity '{Table.Type.Name}' (Column '{Name}')");
}
public FormulaColumn(FormulaAttribute formulaAttribute, EntityTable table)
: base(table, formulaAttribute.Alias)
{
FormulaAttribute = formulaAttribute;
Alias = Name;
Formula = formulaAttribute.Query;
ColumnType = ColumnTypes.FormulaColumn;
GetPropertyInfo();
Logger.Trace($"Loaded database mapping for Property '{PropertyName}' of Entity '{Table.Type.Name}' (Column '{Name}')");
}
internal void UpdateForeignKeys(dynamic primaryKey, int entityIndex)
{
Logger.Trace($"Updating foreign keys of child entities of '{Type.Name}' entity");
IEntity entity = Entities[entityIndex];
foreach (IEntity childEntity in entity.GetChildren())
{
Type type = childEntity.GetType();
EntityTable table = Mapping.TypeTableMapping[type];
table.SetForeignKeyValue(childEntity, primaryKey);
}
}
protected bool TryGetTable(Type type, out EntityTable?table)
{
AttributeWrapper attributes = new AttributeWrapper(type);
if (attributes.IsValid())
{
table = new EntityTable(type, attributes);
return(true);
}
table = null;
return(false);
}
protected void MapTablesByProperty(PropertyInfo property, EntityTable parentTable)
{
Type propertyType = property.PropertyType;
// If the property is a generic list, then it fits the profile of a child object
if (ReflectionUtil.IsGenericList(propertyType))
{
Type genericArgumentType = propertyType.GetGenericArguments()[0];
MapType(genericArgumentType);
EntityTable mappedTable = TypeTableMapping[genericArgumentType];
mappedTable.ParentTable = parentTable;
parentTable.ChildTables.Add(mappedTable);
}
}
protected void MapType(Type type)
{
if (!TypeTableMapping.ContainsKey(type))
{
EntityTable table = GetTableByType(type);
table.Mapping = this;
Tables.Add(table);
TypeTableMapping.Add(type, table);
foreach (PropertyInfo prop in type.GetProperties())
{
MapTablesByProperty(prop, table);
}
}
}
public EntityColumn GetForeignKeyColumnFor(EntityTable foreignTable)
{
return(foreignKeyColumnsDict[foreignTable.Name] ?? throw new TableMappingException(Type, Name));
}