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From Joshy Augustine <joshymaugust...@gmail.com>
Subject Re: Apache Chemistry 0.11 + alfresco 4.2 pagination question
Date Tue, 19 Aug 2014 11:00:20 GMT
Thanks Jorge. Tested it. Works like a charm :-)


On Tue, Aug 19, 2014 at 10:14 AM, <Jorge.MARTIN-CUERVO@ext.ec.europa.eu>
wrote:

>  Hello Joshy,
>
>
>
> If you call getPage() the default is 100, buf if you don't call this
> method you will get all results.
>
> If you pass a parameter, this will be the limit of elements per page (in
> CMIS maxItems)
>
>
>
> ItemIterable<QueryResult> items = session.query("select * from
> cmis:document", false);
>
>
>
> //items = items.getPage(30); //set page size to 30
>
> //items = items.getPage(); //default to 100
>
> //items = items.skipTo(1); //skip items (in CMIS skipCount)
>
>
>
> System.out.println("items.getPageNumItems() " + items.getPageNumItems());
>
> System.out.println("items.getTotalNumItems() " + items.getTotalNumItems());
>
>
>
> Iterator<QueryResult> iterator = items.iterator();
>
> int i=0;
>
> while(iterator.hasNext()) {
>
>                 i++;
>
>                 QueryResult result = iterator.next();
>
>                 System.out.println(result.getPropertyById("cmis:name"));
>
> }
>
> System.out.println(i);
>
>
>
> Regards.
>
> *Jorge MARTIN CUERVO*
>
> [image: cid:image001.gif@01CCF6D0.4613B970]
> *European Commission*
> DG TRADE
> Unit A4
>
> CHAR 02/077
> B-1049 Brussels/Belgium
> +32 2 298 86 27
> jorge.martin-cuervo@ext.ec.europa.eu
>
>
>
> -----Original Message-----
> From: Joshy Augustine [mailto:joshymaugustine@gmail.com]
> Sent: Tuesday, August 19, 2014 10:53 AM
> To: Florian Müller
> Cc: dev@chemistry.apache.org
> Subject: Re: Apache Chemistry 0.11 + alfresco 4.2 pagination question
>
>
>
> Hi,
>
>
>
> Can I ask you a related question?
>
>
>
> Am I right to understand that by default Open CMIS Client will set
>
> maxResults for a query as 100? I also understand that it is possible to
>
> over-ride this flag with a higher value in OperationContext supplied to
>
> session.query() method. I presume both the above mechanisms are set in
>
> place in order to encourage the user to use an 'iterative approach' to deal
>
> with large resultsets rather than fetching all the results(which will have
>
> an associated performance penatlty) from the ECM Repository.
>
>
>
> However, I am interested to know if there is a need, whether it is possible
>
> to obtain *all* results that matches a query via open CMIS API?
>
>
>
> For example, is the following possible?
>
>
>
> ItemIterable<QueryResult> allResultsInECMThatMatchesTheQuery  =
>
> session.query(complete_statement,false,context);
>
>
>
> Thanks,
>
> Joshy
>
>
>
> On Wed, Aug 13, 2014 at 7:12 PM, Florian Müller <fmui@apache.org> wrote:
>
>
>
> > Hi Joshy,
>
> >
>
> > That is likely a repository bug. The hasMoreItems flag should be true in
>
> > this case.
>
> >
>
> >
>
> > - Florian
>
> >
>
> >
>
> > > Hi,
>
> > >
>
> > > Apologies in advance if I am missing something obvious. I am
> encountering
>
> > > the following situation in my test code.
>
> > >
>
> > >
>
> > > ItemIterable<QueryResult> queryResult =
> session.query(complete_statement,
>
> > > *false*,context);
>
> > >
>
> > >
>
> > >
>
> > >
>
> > > queryResult.getTotalNumItems() // returns 3
>
> > >
>
> > > queryResult.skipTo(0).getPage(2).getHasMoreItems() //returns *false*
>
> > >
>
> > >
>
> > >
>
> > > Is it correct that the 3 rd line is returning false?
>
> > >
>
> > >
>
> >
>
>
>
>
>
>
>
> --
>
> Cheers,
>
> Josh
>



-- 
Cheers,
Josh

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