Is a working set assocaited to a POManagerItf. The working set can be
transactional or not. It contains the list of reached instances.
See Also: javax.jdo.Transaction See Also:org.objectweb.speedo.workingset.jdo.api.JDOTransactionItf See Also: org.objectweb.perseus.persistence.api.WorkingSet See Also: org.objectweb.perseus.persistence.lib.BasicWorkingSet author: S.Chassande-Barrioz