I do not understand the question: If you know an row instance, then you know the row index, since columnar object class OID + index = columnar object instance value.
Regards, Frank pradip de wrote: > Hi Frank, > As a follow up question to my previous query is it possible to retrieve the > index of a row using a particular column value for that row instance which > could be an OctetString? The reason for this question is that when I want to > remove the entry I would need to know what the index is or a way to generate > it. > thanks, > Pradip > > On Fri, Oct 9, 2009 at 10:53 AM, pradip de <[email protected]> wrote: > >> Thanks Frank for the quick reply. That was helpful. >> >> best, >> Pradip >> >> >> On Fri, Oct 9, 2009 at 12:00 AM, Frank Fock <[email protected]> wrote: >> >>> Hi Pradip, >>> >>> The toSubIndex(..) methods of the SMI types >>> are used to form an index OID from SNMP values. >>> It does *not* hash the values. It simply >>> transforms them. For OctetStrings, it uses each >>> characters decimal value as OID sub-identifier. >>> >>> To generate a integer index, you can use: >>> >>> IndexGenerator ig = new IndexGenerator(new Integer32(0)); >>> OID nextIndex = ig.nextSubIndex(); >>> >>> Regards, >>> Frank >>> >>> pradip de wrote: >>> >>>> Hi, >>>> What is the typical technique for generating an index to add a row in a >>>> table ? What does the OctetString.toSubIndex(boolean) actually do? Does >>>> it >>>> generate a OID index by using some kind of hashing mechanism over the >>>> OCtetString? Should I use an OctetString that I can assume to be unique >>>> for >>>> each row I add and use it to create an index? I have no problem with this >>>> but sometimes it generates a really long OID for that field. How do I get >>>> index values of single integers incremented each time I add a row? >>>> thanks, >>>> Pradip >>>> _______________________________________________ >>>> SNMP4J mailing list >>>> [email protected] >>>> http://lists.agentpp.org/mailman/listinfo/snmp4j >>>> >>> -- >>> AGENT++ >>> http://www.agentpp.com >>> http://www.snmp4j.com >>> http://www.mibexplorer.com >>> http://www.mibdesigner.com >>> >>> > _______________________________________________ > SNMP4J mailing list > [email protected] > http://lists.agentpp.org/mailman/listinfo/snmp4j -- AGENT++ http://www.agentpp.com http://www.snmp4j.com http://www.mibexplorer.com http://www.mibdesigner.com _______________________________________________ SNMP4J mailing list [email protected] http://lists.agentpp.org/mailman/listinfo/snmp4j
