Service Data Objects simplify and unify Service Oriented Architecture data access and code in a heterogeneous environment. The SDO API concepts are programming language neutral. Specifications for Java and C++ SDO can be found at the Open Service Oriented Architecture website. Within Tuscany it is being implemented in Java and in C++. A PHP version of SDO is available for download from the PHP Extensions Community Library (PECL). Implementations for other languages have been mooted, e.g. Ruby.
...