Yes, it's intergrated with Tuscany SDO C++. Next step is to implement a sample for it.
I intend to add some info on wiki before the first release. Regards, Adriano Crestani On 5/21/07, haleh mahbod <[EMAIL PROTECTED]> wrote:
Hi Adriano, Is this integrated with SDO C++? Is there a sample for it? Can more information be added to the home page and user guide[1]? [1] http://cwiki.apache.org/confluence/pages/viewpage.action?pageId=46512 Haleh On 5/20/07, Adriano Crestani <[EMAIL PROTECTED]> wrote: > > Actually is being developed the Tuscany DAS C++. So far, the framework can > perform the following: > > - Convetion Over Configuration(COC): > > - DAS assumes that a column named xxx_id is a FK to the column named > id on table xxx. > - If no PK column is found on the ResultSet, it sets the column named > id as PK, if exists. > - The COCs defined above are, actually, case sensitive and, for > example, a column named ID will not be set as PK > > > - The das is using the ResultSet metadata(column name, column data type > and > column table) to generate the sdo graph and popule it. The DAS guarantees > the table object uniqueness on graph basing on the table PK, so the first > table retrieved by the ResultSet will be taken, and any other table > containing the same PK ignored: > > > - A table may contain a simple PK or a composite one. > - If no PK is defined for the table, the DAS tries to find one using > COC. > - If the table has a composite PK and not all the columns that > compound the PK are contained on the ResultSet, the DAS ignores the > defined > composite PK and tries to find another PK using COC as defined above. > - If no PK is found using COC, the DAS sets all columns on ResultSet > as PK. > > - Setting the references on graph objects basing on table relationships. > > - Actually, there may be up to 1 relationship between 2 tables. > - The columns data that compound the FK are not created on the graph. > - The DAS accepts simple or composite relationships. > - If not all the columns, PK or FK, that compound the relationship are > on the ResultSet, the relationship is ignored and the remaining FK are > loaded onto graph. > > - Actually, the DAS config can only be set from code. > > - There are also implemented some testcases. > > - DAS is only supporting the following SQL types: INTEGER, REAL, CHAR, > VARCHAR, FLOAT, DOUBLE. > > Next steps: > > - Read the config from a xml file. > > - To implement a sample that reads some data from a database and print on > console. > > - Implement support for more SQL types. > > > Comments and suggestions will be appreciated : ) > > Any volunteer would be helpful ; ) > > > Regards, > > Adriano Crestani >
