Codemotion Rome 2015 - How do you mix SQL and NoSQL worlds without starting a messy revolution? This live coding talk will show you how to add Elasticsearch to your legacy application without changing all your current development habits. Your application will have suddenly have advanced search features, all without the need to write complex SQL code! David will start from a Spring, Hibernate and Postgresql based application and will add a complete integration of Elasticsearch, all live from the stage during his presentation.

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for your legacy app
advanced search
David Pilato
Developer | Evangelist
@dadoonet

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our use case

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distributing without written permission is strictly prohibited
our legacy platform
WEB APP
HTTP/REST
JDBC
DATABASE
SQL

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distributing without written permission is strictly prohibited
our legacy domain / database

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distributing without written permission is strictly prohibited
our legacy app
demo time
$ git clone https://github.com/dadoonet/legacy-search.git
$ git checkout 00-legacy
$ mvn clean install jetty:run

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architecture
connecting with our app

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ETL
using a ETL
DATABASE
SQL
WEB APP
HTTP/REST
JDBC
ELASTICSEARCH
REST/JSON

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JDBC RIVER
JDBC river
DATABASE
SQL
WEB APP
HTTP/REST
JDBC
ELASTICSEARCH
REST/JSON
SQL JSON

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distributing without written permission is strictly prohibited
JDBC river
DATABASE
SQL
WEB APP
HTTP/REST
JDBC
ELASTICSEARCH
REST/JSON
SQL

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distributing without written permission is strictly prohibited
direct connection
Do It Yourself

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distributing without written permission is strictly prohibited
direct connection
DATABASE
SQL
WEB APP
HTTP/REST
JDBC
ELASTICSEARCH
REST/JSON
ES-CLIENT

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JSON document design
PUT /person/person/1
{
"name":"Joe Pink",
"dateOfBirth":"1971-12-26",
"address_id":"2",
"marketing_id":"3"
}
PUT /person/address/2
{
"city":"Paris",
"country":"France"
}
PUT /person/marketing/3
{
"cars":1000,
"food":1500
}

14. www.elastic.co Copyright Elastic 2015 Copying, publishing and/or
distributing without written permission is strictly prohibited
JSON document design
PUT /person/person/1
{
"name":"Joe Pink",
"dateOfBirth":"1971-12-26",
"address":{
"city":"Paris",
"country":"France"
},
"marketing":{
"cars":1000,
"food":1500
}
}

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distributing without written permission is strictly prohibited
direct connection
demo time
$ git checkout 01-direct
$ git checkout 02-bulk
$ git checkout 03-mapping
$ git checkout 04-aggs
$ git checkout 05-compute
$ mvn clean install jetty:run
$ cat README.markdown

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asynchronous
synchronous vs

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distributing without written permission is strictly prohibited
using brokers
DATABASE
SQL
WEB APP
HTTP/REST
JDBC
ELASTICSEARCH
REST/JSON
ES-CLIENT

18. www.elastic.co Copyright Elastic 2015 Copying, publishing and/or
distributing without written permission is strictly prohibited
using brokers
DATABASE
SQL
WEB APP
HTTP/REST
JDBC
ELASTICSEARCH
REST/JSON
ES-CLIENT

19. www.elastic.co Copyright Elastic 2015 Copying, publishing and/or
distributing without written permission is strictly prohibited
using brokers
DATABASE
SQL
WEB APP
HTTP/REST
JDBC
ELASTICSEARCH
REST/JSON
ES-CLIENT

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distributing without written permission is strictly prohibited

21. www.elastic.co Copyright Elastic 2015 Copying, publishing and/or
distributing without written permission is strictly prohibited

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distributing without written permission is strictly prohibited
Grazie mille
David Pilato
Developer | Evangelist
@dadoonet
https://www.elastic.co/subscriptions