public bool Update <T>(T entity, string tableName = null, int?commandTimeout = null) where T : class
{
IClassMapper <T> classMapper = ClassMapperFactory.GetMapper <T>(tableName);
classMapper.BeforeSave(entity);
KeyConditionResult keyConditionResult = SqlGenerator.GetKeyConditionByEntity(classMapper, entity);
if (classMapper.GetVersionMap() != null)
{
int oldVersion = (int)classMapper.GetVersionMap().PropertyInfo.GetValue(entity, null);
keyConditionResult.Sql = string.Format("{0} AND {1}={2}", keyConditionResult.Sql,
SqlGenerator.DbProvider.QuoteString(classMapper.GetVersionMap().ColumnName), oldVersion);
classMapper.GetVersionMap().PropertyInfo.SetValue(entity, oldVersion + 1, null);
}
SqlConvertResult sqlConvertResult = SqlGenerator.Update(classMapper, keyConditionResult.Sql, keyConditionResult.Parameters, entity);
sqlConvertResult.Parameters.AddDynamicParams(entity);
bool flag = DbConnection.Execute(sqlConvertResult.Sql, sqlConvertResult.Parameters, DbTransaction, commandTimeout, CommandType.Text) > 0;
if (flag)
{
classMapper.AfterSave(entity);
}
return(flag);
}