In hbase shell, please use: help 'get' You will see how custom attribute can be passed.
Cheers > On May 22, 2015, at 3:07 AM, Navdeep Agrawal <[email protected]> > wrote: > > Nice I was looking for something like this . thank you Ted > just for curiosity can we set attribute through shell .or by default no > attribute are set through shell's get . > > -----Original Message----- > From: Ted Yu [mailto:[email protected]] > Sent: Thursday, May 21, 2015 9:29 PM > To: [email protected] > Subject: Re: Coprocessor accessibility > > Is your hbase deployed in a secure cluster ? > Here is signature for preGetOp: > > public void preGetOp(final ObserverContext<RegionCoprocessorEnvironment> > e, > > final Get get, final List<Cell> results) throws IOException { > > User who wants this observer activated can pass attribute, with known name, > through Get object. > > The observer can try to retrieve this attribute: > > public byte[] getAttribute(String name) { > > when attribute is present, do special handling. > > FYI > >> On Thu, May 21, 2015 at 8:42 AM, Navdeep Agrawal < >> [email protected]> wrote: >> >> Hi, >> >> I have developed a baseRegionObserver coprocessor overriding >> preGetop, preScan which will be returning a top elements of each cell. >> Now I want to enable this coprocessor only for myself or some certain >> users ,so that normal user will get normal result and some user who >> want to use it can enable it . is it possible or else how we can achieve >> this . >> >> >> Thanks, >> Navdeep >>
