Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Introduction to Spring Data Greg Turnquist @gregturn

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Who am I? 2 GregLTurnquist.com/learning-spring-boot

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ It’s 2016 3

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ It’s 2016 4 Why are we still writing…

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ It’s 2016 4 Why are we still writing… select * from EMPLOYEE where FIRST_NAME = %1

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ It’s 2016 4 Why are we still writing… select * from EMPLOYEE where FIRST_NAME = %1 select e from Employee e where e.firstName = :name

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ It’s 2016 4 Why are we still writing… select * from EMPLOYEE where FIRST_NAME = %1 select e from Employee e where e.firstName = :name create .select() .from(EMPLOYEE) .where(EMPLOYEE.FIRST_NAME .equal(name)) .fetch()

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ It’s 2016 4 Why are we still writing… select * from EMPLOYEE where FIRST_NAME = %1 select e from Employee e where e.firstName = :name create .select() .from(EMPLOYEE) .where(EMPLOYEE.FIRST_NAME .equal(name)) .fetch() SQL JPA jOOQ

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ When we could write… 5

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ When we could write… 5

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Spring Data provides… 6 relational non-relational abstraction JDBC

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Spring Data provides… 6 relational non-relational Elastic Solr Neo4j Cassandra MongoDB Gemfire Redis Couchbase abstraction JDBC

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Spring Data provides… 6 relational non-relational Elastic Solr Neo4j Cassandra MongoDB Gemfire Redis Couchbase abstraction JDBC JPA

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Spring Data provides… 6 relational non-relational Spring Data Elastic Solr Neo4j Cassandra MongoDB Gemfire Redis Couchbase abstraction JDBC JPA

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Dialing it up 7 interface EmployeeRepository extends CrudRepository { List findByLastName(String f) List findByFirstNameAndLastName(String f, String l) List findByFirstNameAndManagerName(String f, String m) List findTop10ByFirstName(…) // or findFirst10ByFirstName List findDistinctEmployeesByFirstName(...) List findByFirstNameAndLastNameAllIgnoreCase(...) List findByFirstNameOrderByLastNameAsc(...) List findByLastNameIsNull(...) }

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Why stop there? 8 interface CoolRepo extends CrudRepository { Stream findByLastname(String lastname) @Async Future findByLastname(…) @Async CompletableFuture findByLastname(…) @Async ListenableFuture findByLastname(…) Page findAll(Pageable p) Page findByFirstName(String f, Pageable p) List findAll(Sort s) Page findByFirstName(String f, Pageable p, Sort s) }

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Coming soon… 9 interface ReactiveStreamsRepo extends CrudRepository { Mono findByLastname(String lastname) Flux findByLastname(…) } Integration with Spring 5 + Project Reactor

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Spring Data Demo

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Introduction to Spring Data Visit spring.io/guides, type “data”, and enjoy! See all talks by Oliver Gierke, Christoph Stroble, Mark Paluch, & John Blum and Spinnaker: Land of a 1000 Builds - later today @ 5pm @springcentral spring.io/blog @pivotal pivotal.io/blog @pivotalcf http://engineering.pivotal.io