Next Generation MongoDB with Spring: Sessions, Streams, Transactions (WJax-2018)

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1. Next Generation mongoDB Christoph Strobl, Pivotal Software Inc. @stroblchristoph Sessions - Streams - Transactions
2. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Next Generation MongoDB Christoph Strobl Software Engineer, Spring Data Sessions - Streams - Transactions
3. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Christoph Strobl Fantasy Book Addict Workout Enthusiast Next Generation MongoDB Sessions - Streams - Transactions image: https://wall.alphacoders.com/
 License: PD
4. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ image: https://wall.alphacoders.com/
 License: PD
5. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD 10,30 € incl. VAT
 Shipping information 5 $ http GET :8080/book/f430cb49 HTTP/1.1 200 OK Content-Length: 177 Content-Type: application/json;charset=UTF-8 { "authors": [ "Peter V. Brett" ], "id": "f430cb49", "language": "English", "pages": 880, "publishDate": "2017-28-09", "publisherId": "Harper Collins Publishers", "stock": 3, "title": "The Core" }
6. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD Cart Cart Register Shipping Payment Confirmation 3 copies available The Core 6 only 2 more copies available { _id: "f430cb49", title: "The Core", author: [ "Peter V. Brett" ], published_date: ISODate("2017-09-28"), pages: 880, language: "English", publisher_id: "Harper Collins", available: 2 checkout : [ {by : "cstrobl", date : "2018- ] } $ http POST :8080/book/f430cb49/order HTTP/1.1 200 OK Content-Length: 267 Content-Type: application/json;charset=UTF-8 { "books": [ { "authors": [ "Peter V. Brett" ], "id": "f430cb49", "language": "English", "pages": 880, "publishDate": "2017-28-09", "publisherId": "Harper Collins Publishers", "title": "The Core" } ], "customer": "cstrobl", "date": "2018-09-04" }
7. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD Cart Cart Register Shipping Payment Confirmation 3 copies available The Core $ http POST :8080/book/f430cb49/order HTTP/1.1 200 OK Content-Length: 267 Content-Type: application/json;charset=UTF-8 { "books": [ { "authors": [ "Peter V. Brett" ], "id": "f430cb49", "language": "English", "pages": 880, "publishDate": "2017-28-09", "publisherId": "Harper Collins Publishers", "title": "The Core" } ], "customer": "cstrobl", "date": "2018-09-04" } 7 only 2 more copies available { "_id" : "5b8ee10e", "by" : "cstrobl", "date" : ISODate("2018-09-04"), "books" : [ { "$ref" : "books", "$id" : "f430cb49" } ] } { _id: "f430cb49", title: "The Core", author: [ "Peter V. Brett" ], published_date: ISODate("2017-09-28"), pages: 880, language: "English", publisher_id: "Harper Collins", available: 2 }
8. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Multi Document Transactions image: http://www.intestasuimotori.it
 License: CC
9. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD Requirements 9 // start transaction // update first collection // query second collection // update third collection // commit transaction • ACID • Conversational, multi-statement
10. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD How To Get From There to Here 10 Wired Tiger MVCC 3.0 - 3.4
11. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD How To Get From There to Here 11 Logical Sessions 3.6 Retryable Writes
12. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD How To Get From There to Here 12 update : { lsid : 1, txnNum : 1}, updates: […] update : { lsid : 1, txnNum : 1}, updates: […] { ok : 1} Retryable Writes IO Exception
13. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD How To Get From There to Here 13 Replica Set Transactions Sharded Cluster Transactions 4.0 4.2 (under development)
14. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://github.com/christophstrobl/mongodb-bookstore image: https://wall.alphacoders.com/
 License: PD
15. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD Known issues… 15 try(ClientSession session = client.startSession()) { session.startTransaction(); Long result = collection.count(session, Filters.gt("available", 0)); Bson nearSphereFilter = Filters.nearSphere("location", new Point(
 new Position(-73.99D, 40.73D)), 0.313D); Long result = collection.countDocuments(nearSphereFilter); Cannot run 'count' in a multi-document 
 transaction. Error 50851 '$geoNear, $near, and $nearSphere
 are not allowed in this context' Error 2 Long result = collection.countDocuments(session, Filters.gt("available", 0)); Bson nearSphereFilter = Filters.geoWithinCenterSphere("location", -73.99D, 40.73D, 0.313D); Long result = collection.countDocuments(nearSphereFilter);
16. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD Reactive Multi Document Transactions 16 return mongoOperations.inTransaction().execute(action "-> { return action.save(order) .flatMap(order "-> { return action.update(Book.class) .matching(query( where("id").is(book.id) .and("available").gt(0))) .apply(new Update().inc("available", -1)).first() .flatMap(result "-> { if (result.getModifiedCount() "== 0) { throw new BookSoldOutException(book); } return Mono.just(order); }); }); }).next(); Flux.usingWhen(() "-> session, ClientSession"::commitTransaction, ClientSession"::abortTransaction, session "-> … ) @Transactional public Mono insertDocuments() @Deprecated public ReactiveSessionScoped inTransaction()
17. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD Summary & Outlook 17 Transactions are multi-document, multi-collection, conversational. They fit in well to existing Spring transaction paradigms.

18. > Stay Connected. MongoDB 4.0 & SpringData Lovelace Releases are out now!
 Get started with Spring Boot 2.1.M4. https://www.mongodb.com/transactions http://projects.spring.io/spring-data-mongodb/
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