# Add a custom lucene search filter to elasticsearch
**URL:** https://discuss.elastic.co/t/add-a-custom-lucene-search-filter-to-elasticsearch/15453
**Category:** Elasticsearch
**Created:** [January 28, 2014, 4:48pm UTC](https://discuss.elastic.co/t/add-a-custom-lucene-search-filter-to-elasticsearch/15453 "2014-01-28T16:48:28Z")
**Posts on this page:** 6
**Page:** 1
### Author:  [@Guilhem\_Legal](https://discuss.elastic.co/u/Guilhem_Legal)
#### Post date: [January 28, 2014, 4:48pm UTC](https://discuss.elastic.co/t/add-a-custom-lucene-search-filter-to-elasticsearch/15453/1 "2014-01-28T16:48:28Z")
Hi!
i'm trying to migrate my java application from Lucene to Elasticsearch.
I have a custom java filter (extending org.apache.lucene.search.Filter)
that i like to include in elasticSearch.
How can i do that? with a plugin ?
Guilhem Legal
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### Author:  [@Ivan](https://discuss.elastic.co/u/Ivan)
#### Post date: [January 28, 2014, 5:11pm UTC](https://discuss.elastic.co/t/add-a-custom-lucene-search-filter-to-elasticsearch/15453/2 "2014-01-28T17:11:45Z")
Correct, create a plugin. Take a look at some of the existing analysis
plugins as a template:
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>
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Ivan
On Tue, Jan 28, 2014 at 8:48 AM, Guilhem Legal
[guilhem.legal@geomatys.com](mailto:guilhem.legal@geomatys.com)wrote:
> Hi!
>
> i'm trying to migrate my java application from Lucene to Elasticsearch.
>
> I have a custom java filter (extending org.apache.lucene.search.Filter)
> that i like to include in elasticSearch.
>
> How can i do that? with a plugin ?
>
> Guilhem Legal
>
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> .
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### Author:  [@jprante](https://discuss.elastic.co/u/jprante)
#### Post date: [January 28, 2014, 5:40pm UTC](https://discuss.elastic.co/t/add-a-custom-lucene-search-filter-to-elasticsearch/15453/3 "2014-01-28T17:40:20Z")
Adding a Lucene filter via a plugin is possible, but a bit more demanding,
you have to tweak the IndexQueryParserService like it is demonstrated in
org.elasticsearch.index.query.guice.IndexQueryParserModuleTests
Jörg
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### Author:  [@Ivan](https://discuss.elastic.co/u/Ivan)
#### Post date: [January 28, 2014, 6:39pm UTC](https://discuss.elastic.co/t/add-a-custom-lucene-search-filter-to-elasticsearch/15453/4 "2014-01-28T18:39:23Z")
Jörg, what is the purpose of tweaking the IndexQueryParserService? I have a
few custom filters, and all I do is add them via
tokenFiltersBindings.processTokenFilter()
or analysisModule.addTokenFilter().
--
Ivan
On Tue, Jan 28, 2014 at 9:40 AM, [joergprante@gmail.com](mailto:joergprante@gmail.com) \<
[joergprante@gmail.com](mailto:joergprante@gmail.com)\> wrote:
> Adding a Lucene filter via a plugin is possible, but a bit more demanding,
> you have to tweak the IndexQueryParserService like it is demonstrated in
> org.elasticsearch.index.query.guice.IndexQueryParserModuleTests
>
> Jörg
>
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> .
>
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### Author:  [@Guilhem\_Legal](https://discuss.elastic.co/u/Guilhem_Legal)
#### Post date: [January 29, 2014, 1:54pm UTC](https://discuss.elastic.co/t/add-a-custom-lucene-search-filter-to-elasticsearch/15453/5 "2014-01-29T13:54:41Z")
Thank you,
i found an easy way to incoporate my filters to ES in a plugin.
>
>
> Within a plugin, allow to more easily plug in a custom \`XContentQueryParser\` and… \`XContentFilterParser\`. It follows the same model as the analysis extension module, and should look something like this:
>
> \`\`\`
> public class Customlugin extends AbstractPlugin {
>
> @Override public String name() {
> return "custom";
> }
>
> @Override public String description() {
> return "My custom plugin";
> }
>
> @Override public void processModule(Module module) {
> if (module instanceof IndexQueryParserModule) {
> IndexQueryParserModule queryParserModule = (IndexQueryParserModule) module;
> queryParserModule.addProcessor(new IndexQueryParserModule.QueryParsersProcessor() {
> @Override public void processXContentQueryParsers(XContentQueryParsersBindings bindings) {
> bindings.processXContentQueryParser("my\_name", MyNameQueryParser.class);
> }
> });
> }
> }
> }
> \`\`\`
Guilhem Legal
Le mardi 28 janvier 2014 19:39:23 UTC+1, Ivan Brusic a écrit :
> Jörg, what is the purpose of tweaking the IndexQueryParserService? I have
> a few custom filters, and all I do is add them via tokenFiltersBindings.processTokenFilter()
> or analysisModule.addTokenFilter().
>
> --
> Ivan
>
> On Tue, Jan 28, 2014 at 9:40 AM, [joerg...@gmail.com](mailto:joerg...@gmail.com) \ \<
> [joerg...@gmail.com](mailto:joerg...@gmail.com) \\> wrote:
>
> > Adding a Lucene filter via a plugin is possible, but a bit more
> > demanding, you have to tweak the IndexQueryParserService like it is
> > demonstrated in
> > org.elasticsearch.index.query.guice.IndexQueryParserModuleTests
> >
> > Jörg
> >
> > --
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> > .
> >
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 1:54am UTC](https://discuss.elastic.co/t/add-a-custom-lucene-search-filter-to-elasticsearch/15453/6 "2017-07-06T01:54:12Z")