question: open a database connection with the given connection information . concode_field_sep long wrongPasswordDelay concode_elem_sep boolean jmx concode_elem_sep Engine INSTANCE concode_elem_sep HashMap<String,Database> DATABASES concode_field_sep void validateUserAndPassword concode_elem_sep void checkClustering concode_elem_sep Session openSession concode_elem_sep Session openSession concode_elem_sep Session createSessionAndValidate concode_elem_sep Engine getInstance concode_elem_sep void close
target: Session function ( ConnectionInfo arg0 ) { return INSTANCE . createSessionAndValidate ( arg0 ) ; }