/// <summary>
/// 创建关系映射图
/// </summary>
/// <param name="type">映射类型</param>
/// <returns>关系映射图</returns>
private static DataMapping CreateMapping(Type type)
{
string tableName = null;
string extentParam = null;
bool isEntityTable = true;
DataMapping dataMapping = null;
IDataTableConfig config = ConfigManager.LoadDataTableConfig(type);
if (config != null)
{
tableName = config.TableName;
extentParam = config.ExtendParams;
isEntityTable = config.IsEntityTable;
}
if (string.IsNullOrEmpty(tableName))
{
tableName = type.Name;
}
if (type.IsSubclassOf(typeof(DataTableEntity)))
{
dataMapping = new DataTableEntityMapping(type, tableName, true);
}
else if (type.IsSubclassOf(typeof(DataEntity)))
{
dataMapping = new DataEntityMapping(type, tableName, true);
}
else
{
if (!isEntityTable)
{
dataMapping = new DataEntityMapping(type, tableName, false);
}
else
{
dataMapping = new DataTableEntityMapping(type, tableName, false);
}
}
dataMapping.ExtentParams = new ExtendParamsCollection(extentParam);
return(dataMapping);
}
public static DataMapping GetMapping(Type type)
{
Assembly callingAssembly = DataContext.CallingAssembly;
Dictionary <Type, DataMapping> mappings = null;
if (callingAssembly == null)
{
mappings = _defaultMapping;
}
else
{
if (!_assemblyMapping.ContainsKey(callingAssembly))
{
lock (_synobj)
{
if (!_assemblyMapping.ContainsKey(callingAssembly))
{
_assemblyMapping.Add(callingAssembly, new Dictionary <Type, DataMapping>());
}
}
}
mappings = _assemblyMapping[callingAssembly];
}
if (!mappings.ContainsKey(type))
{
lock (_synobj)
{
if (!mappings.ContainsKey(type))
{
DataMapping mapping = CreateMapping(type);
mappings[type] = mapping;
}
}
}
return(mappings[type]);
}
public DataFieldMapping(Type type, string fieldName, string indexName, DataMapping mapping, bool isNullable, string dbType)
: base(type, fieldName, indexName, mapping, isNullable, dbType)
{
}
