Couchbase Lite iOS Geo

Accompanies a demo of https://github.com/couchbaselabs/PicMapper

Transcript

1. Geo Queries in Couchbase Mobile
 Implementing and using Geographic indexes
 
 Chris Anderson, Mobile Architect

2. Agenda Couchbase Mobile Geo App Demo Geo Index Implementation Q/A 2
3. 3 Couchbase  Lite   On-­‐device,  lightweight,  native   embedded  JSON  database Sync  Gateway   Synchronize  on-­‐device   Couchbase  Lite  with  Couchbase   Server  in  the  cloud Couchbase  Server   High  performance,  scalable,   always-­‐on  JSON  database  in   the  cloud Couchbase Mobile
4. 4 Couchbase  Lite Couchbase Lite Full Featured JSON Native Lightweight Secure Beta
5. Conflict Resolution 5 Johnny (555)123-4567 Johnny Smith jsmith@gmail.com 123 Main Street Anywhere, USA (555)123-4567 Johnny Smith 123 Main Street Anywhere, USA (555)123-4567 John A. Smith jsmith@gmail.com 123 Main Street Anywhere, USA (555)123-4567 John A. Smith jsmith@gmail.com 123 Main Street Anywhere, USA (555)123-4567 Johnny Smith (555)123-4567 Jon A. Smith jsmith@gmail.com 123 Main Street Anywhere, USA (555)123-4567 John A. Smith jsmith@gmail.com 123 Main Street Anywhere, USA (555)123-4567 CONFLICT ACTIVE
6. 6 Sync  Gateway Sync Gateway Replication Access Control Filtering Validation
7. Channels 7 Sports San  Francisco Nature Admin
8. Replication Pure   Peer-­‐to-­‐Peer Peer-­‐to-­‐Peer Scale  Out 8
9. Access Control, Filtering, and Validation 9 Pluggable Authentication Javascript sync function runs on all mutations. Access/Filtering – channel(…): Routes the document to the named channel – access(…): Grants access to a channel to a specified user, list of users, or a role – role(…): Grants a user a role Validation – throw(…): Prevents a document mutation from persisting – requireUser/Role/Access(…): Validates the user, their role assignments, or their access privileges.
10. Sync Function 10 function (doc, oldDoc) { if (doc.published) { channel ("public"); } access (”joe", ”public"); ! role (”joe", "role:admin"); ! throw ({forbidden : "read only!"}) ! requireUser(doc.owner); requireRole("admin"); requireAccess(”public"); }
11. 11 Couchbase  Server Couchbase Server JSON Highly Scalable High Performance Always On
12. Customers
13. Infinite Campus Education  /  Social  Interaction   ▪ Selectively  push  out  learning  modules  /   multimedia  lessons  to  individual  students   ▪ Teachers  and  students  use  custom  mobile   chat  apps  for  real-­‐time  Q&A  during   lectures   ▪ Homework  assignments  can  be  completed   offline  anywhere “We needed to provide an educational experience as engaging as the apps students love to use everyday. The ability to work online/offline and seamlessly sync across devices and between users was critical to delivering the experience they need for both in the classroom, and off campus. We investigated the market for an ultra-lightweight NoSQL mobile database with easy sync and Couchbase was the only choice.” Mike Lamb, Principal Software Engineer, Infinite Campus
14. Picsolve Embedded     ▪ Image  capture  of  roller  coaster   riders  to  local  database  in  multiple   theme  park  locations   ▪ Machine  to  machine   communication  example   ▪ Unreliable  network  connectivity   required  offline  capture  /  later   sync  to  centralized  management   system
15. Microsoft Peer-­‐to-­‐Peer   ▪ What  does  it  mean  to  make  the   web  truly  peer-­‐to-­‐peer?   ▪ Data  stored  on  the  edge   ▪ Enable  applications  that  can  live   on  the  edge  of  the  network
16. Demo App
17. Couchbase Lite Setup Setup  Steps   ▪ Open  database   ▪ Configure  sync   ▪ Install  index  definitions
18. Import Photos Loading  Photos   ▪ Enumerate  assets   ▪ Save  JSON  document   ▪ Attach  image  thumbnail
19. Live Query for Map Annotations Rendering  Points   ▪ Create  LiveQuery   ▪ Observe  Results   ▪ Update  Map  Annotations
20. Update Query on Region Change Bounding  Box   ▪ Observe  Region  Changes   ▪ BBox  from  MapRect   ▪ Refresh  Live  Query
21. Implementation
22. Get Started developer.couchbase.com
24. Q&A