yes, It will be there in the next patch . The Entityprocessor interface will have an extra destroy() method so you can extend SqlEntityProcessor and override the init/destroy methods for doing pre/post actions. init() is already there
Another addition is getSolrCore() in Context which can help you invoke methods on solr directly On Tue, Jul 22, 2008 at 12:09 AM, Jonathan Lee <[EMAIL PROTECTED]> wrote: > Thanks for the solutions to #2 & #3. I assume by your last comment that the > call back hooks are not yet in the DIH are features that will be released in > the future as patches, correct? > > >> From: Noble Paul നോബിള് नोब्ळ् <[EMAIL PROTECTED]> >> Reply-To: <solr-user@lucene.apache.org> >> Date: Mon, 21 Jul 2008 23:25:15 +0530 >> To: <solr-user@lucene.apache.org> >> Subject: Re: DIH: post-import action & independent SQL statements >> >> Overtime we have realized this as a common pattern of requirements. >> a pre-import, post-import call back hooks are something I can think of. >> >> >> >> On Mon, Jul 21, 2008 at 11:13 PM, Jonathan Lee <[EMAIL PROTECTED]> >> wrote: >>> Hello, >>> >>> I have been using the DataImportHandler successfully to import documents >>> from MySQL, and it has worked very well. However I have three questions >>> about the handler: >>> >>> 1. Is it possible to execute a command post-import? Specifically, I would >>> like to run snapshooter after both full & delta imports. The postOptimize & >>> postCommit listeners do not quite work here since I do not want to optimize >>> after delta imports, and I do not want to run snapshooter for each auto >>> commit during a full import. >>> >>> 2. Is it possible to execute independent SQL statements before, during, or >>> after importing? I would like to created some intermediate temporary tables >>> and also set specific settings relevant to the import (e.g. "SET >>> @@group_concat_max_len=..."). >> During the import it is definitely possible. Any transformer can >> obtain a DataSource as context.getDataSource(<name>) and invoke any >> methods .The getData(string query can actually execute anything) >> >>> >>> 3. It would be great to have a way to chain together multiple Transformers. >>> For instance, I'd like to perform regex operations, then template the output >>> and finally add a custom document boost based on a column. This could be >>> done by chaining the RegexTransformer, TemplateTransformer and a custom >>> Transformer. >> I guess chaining is possible already. >> transformer="RegexTransformer,TemplateTransformer,my.CustomTransformer" >> can chain the 3 transformers >>> >>> Thanks for your help! >>> >>> Jonathan Lee >>> >>> >> There are a bunch of features we have in mind. We do not want to make >> the patch bigger than it already is and we are waiting for it get >> committed so that we can provide incremental patches for these >> >> -- >> --Noble Paul > > -- --Noble Paul
