# Design patterns in elasticsearch

**URL:** <https://discuss.elastic.co/t/design-patterns-in-elasticsearch/159407>\
**Category:** Elasticsearch\
**Created:** [December 4, 2018, 6:00pm UTC](https://discuss.elastic.co/t/design-patterns-in-elasticsearch/159407 "2018-12-04T18:00:20Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![15hawai15](https://avatars.discourse-cdn.com/v4/letter/1/b3f665/32.png) [@15hawai15](https://discuss.elastic.co/u/15hawai15)\
**Post date:** [December 4, 2018, 6:00pm UTC](https://discuss.elastic.co/t/design-patterns-in-elasticsearch/159407/1 "2018-12-04T18:00:20Z")

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Can someone please help me find 2 design patterns in elasticsearch code ?

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [December 4, 2018, 8:25pm UTC](https://discuss.elastic.co/t/design-patterns-in-elasticsearch/159407/2 "2018-12-04T20:25:01Z")

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Not sure about your question. Design patterns of what?

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**Author:** ![15hawai15](https://avatars.discourse-cdn.com/v4/letter/1/b3f665/32.png) [@15hawai15](https://discuss.elastic.co/u/15hawai15)\
**Post date:** [December 4, 2018, 8:26pm UTC](https://discuss.elastic.co/t/design-patterns-in-elasticsearch/159407/3 "2018-12-04T20:26:51Z")

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I am trying to recognize builder design pattern when creating queries. Is builder design pattern used in this case ?

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [December 4, 2018, 8:37pm UTC](https://discuss.elastic.co/t/design-patterns-in-elasticsearch/159407/4 "2018-12-04T20:37:41Z")

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There are query builders if this is what you meant

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**Author:** ![15hawai15](https://avatars.discourse-cdn.com/v4/letter/1/b3f665/32.png) [@15hawai15](https://discuss.elastic.co/u/15hawai15)\
**Post date:** [December 4, 2018, 8:39pm UTC](https://discuss.elastic.co/t/design-patterns-in-elasticsearch/159407/5 "2018-12-04T20:39:04Z")

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Yes, are they implemented through builder design pattern ?

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [December 4, 2018, 8:51pm UTC](https://discuss.elastic.co/t/design-patterns-in-elasticsearch/159407/6 "2018-12-04T20:51:08Z")

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Look at the code. That might answer your question.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [January 1, 2019, 8:51pm UTC](https://discuss.elastic.co/t/design-patterns-in-elasticsearch/159407/7 "2019-01-01T20:51:08Z")

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