You're welcome ;) is that close to what you were looking for? On 2 Jul 2016 11:53, "Mark Robinson" <mark123lea...@gmail.com> wrote:
> Thanks much Andrea esp. for the suggestion of SolrCoreAware! > > > > Best, > Mark. > > On Thu, Jun 30, 2016 at 10:23 AM, Andrea Gazzarini <gxs...@gmail.com> > wrote: > > > Hi, > > the lifecycle of your Solr extension (i.e. the component) is not > something > > that's up to you. > > Before designing the component you should read the framework docs [1], in > > order to understand the context where it will live, once deployed. > > > > There's nothing, as far as I know, other than the component callbacks > > (e.g. the inform, init methods) that can help you to manage the lifecycle > > of a custom class you're using within the component. Look at the > > SolrCoreAware [2] interface, maybe it could fit your needs. > > From what you write it seems you could need something like a singleton > > (which is often an anti-pattern in distributed environment) , but without > > further details I'm just shooting in the dark > > > > In addition: you wrote a component so I guess it shouldn't be so hard to > > have a look at one of the existing built-in components. I'm quite sure > they > > already met (and solved) a similar issue. > > > > Best, > > Andrea > > > > [1] > > > https://lucene.apache.org/solr/6_1_0/solr-core/org/apache/solr/handler/component/SearchComponent.html > > [2] https://wiki.apache.org/solr/SolrPlugins#SolrCoreAware > > > > > > On 30/06/16 16:00, Mark Robinson wrote: > > > >> Hi, > >> > >> I have a java OBJECT which I need to load once. > >> I have written a java custom component, which I have added in > >> "last-components" in solrconfig.xml, from which I want to access the > above > >> mentioned OBJECT when each search request comes in. > >> > >> Is there a way I can load a java object on server/ instance startup? > >> OR > >> Load it when the first call comes to SOLR? > >> > >> For the time being I created that Java object inside the custom > component > >> itself; but it is loaded each time a search request comes in. > >> > >> Could some one pls give some pointers on how my above requirement can be > >> achieved in SOLR? > >> > >> Thanks! > >> Mark > >> > >> > > >
