public T Get <T>(object id, string tableName = null, int?commandTimeout = null) where T : class
{
IClassMapper classMapper = ClassMapperFactory.GetMapper <T>(tableName);
KeyConditionResult keyConditionResult = SqlGenerator.GetKeyConditionById(classMapper, id);
SqlConvertResult sqlConvertResult = SqlGenerator.Select(classMapper, keyConditionResult.Sql, null, keyConditionResult.Parameters, false);
T result = DbConnection.Query <T>(sqlConvertResult.Sql, sqlConvertResult.Parameters, DbTransaction, true, commandTimeout, CommandType.Text).SingleOrDefault();
if (result == null)
{
return(null);
}
IPropertyMap persistedMap = classMapper.GetPersistedMap();
if (persistedMap != null)
{
persistedMap.PropertyInfo.SetValue(result, true, null);
}
IPropertyMap propertyChangedListMap = classMapper.GetPropertyChangedListMap();
if (propertyChangedListMap != null)
{
IList <string> changedList = propertyChangedListMap.PropertyInfo.GetValue(result, null) as IList <string>;
if (changedList != null)
{
changedList.Clear();
}
}
return(result);
}
public bool Save <T>(T entity, string tableName = null, int?commandTimeout = null) where T : class
{
IClassMapper classMapper = ClassMapperFactory.GetMapper <T>(tableName);
IPropertyMap persistedMap = classMapper.GetPersistedMap();
if (persistedMap == null)
{
throw new Exception(string.Format("{0}没有映射持久化标识列，无法使用此方法！", typeof(T).FullName));
}
bool isPersisted = (bool)persistedMap.PropertyInfo.GetValue(entity, null);
return(isPersisted ? Update(entity, tableName, commandTimeout) : Insert(entity, tableName, commandTimeout));
}
