A (XPages) developers guide to Cloudant

Nov 11, 2016Download as PPTX, PDF0 likes848 views

Frank van der Linden presented on connecting XPages applications to Cloudant. He began with an introduction to Cloudant, describing it as the cloud version of CouchDB that stores data as JSON documents. He then covered how to connect to Cloudant directly via REST or through an OSGi plugin, and described storing and retrieving data from Cloudant using a Java connector. Finally, he demonstrated integrating Cloudant with an XPages application to store and search job documents, attachments, and rich text.

8th Sutol Conference, November 2016
A (XPages) developers
guide to Cloudant
Frank van der Linden

8th Sutol Conference, November 2016
About me
• Freelance Java and web developer, with
XPages experience
• …..and JEE technologies
• Owner of Elstar IT
• Frequent (trail)runner

8th Sutol Conference, November 2016
Roadmap
• Introduction to Cloudant
• Inside Cloudant
• Connect to Cloudant
• Cloudant @ XPages

8th Sutol Conference, November 2016
Why Cloudant
• For HR Assistant wanted to try a new
datastore

8th Sutol Conference, November 2016
Introduction to
Cloudant

8th Sutol Conference, November 2016
What is Cloudant
• It is the cloud version of CouchDb
• It is document based
• CouchDb is created by Damien Katz
• Cloudant is bought by IBM
• Is like MongoDb or NSF a NoSQL
datastore

8th Sutol Conference, November 2016
What is Cloudant
• Data stored as JSON
• View and Search ‘formula’ with
javascript
• Replication
• Tasks
• Build in API
• No annoying limitations

8th Sutol Conference, November 2016
Cloudant as service
• Cloudant can be added as service in
BlueMix

8th Sutol Conference, November 2016
Cloudant standalone
• Via website, https://cloudant.com
cloudant.com

8th Sutol Conference, November 2016
Inside Cloudant

8th Sutol Conference, November 2016
Inside Cloudant
• View mapping
• Search index

8th Sutol Conference, November 2016
Connect to Cloudant

8th Sutol Conference, November 2016
Connect to Cloudant
• Direct via REST
• https://someusername:secret@account.cloudant.com
• Via a OSGi Plugin, uses the
HTTPConnection
• https://bitbucket.org/flinden68/cloudant-connector

8th Sutol Conference, November 2016
Connect to Cloudant
• Credentials
• Account, necessary for the OSGi plugin

$8th Sutol Conference, November 2016 Connect to Cloudant • It is JSON everywhere • _rev and _id are reserved parameters • doc{}, is the actual data from application$

8th Sutol Conference, November 2016
Cloudant connector
• Storing in and retrieving from Cloudant
• Accessed from Java backend.
• Will take out the security issues.
• Do the heavy lifting.
• Don't reinvent the wheel.

8th Sutol Conference, November 2016
Cloudant @ XPages

8th Sutol Conference, November 2016
Cloudant @ XPages
• Repeat in XPages
• columns - values from Job class

8th Sutol Conference, November 2016
Cloudant @ XPages
• JobController -
getJobs

8th Sutol Conference, November 2016
Cloudant @ XPages
• Job Java Class

8th Sutol Conference, November 2016
Cloudant @ XPages
• CloudantDAO

8th Sutol Conference, November 2016
Cloudant @ XPages
• CloudantService - connect
• Find the data in Cloudant

8th Sutol Conference, November 2016
Cloudant @ XPages
• Job JSON in Cloudant

8th Sutol Conference, November 2016
Attachment @ Cloudant
• Stored as base64 encoded String
• Can be as standalone
• Or as part of Document (we choose this
way)
• Store id as attachmentId, so it can be
retrieved when needed

8th Sutol Conference, November 2016
Attachment @ Cloudant
• AttachmentDAO

8th Sutol Conference, November 2016
Attachment @ Cloudant
• AttachmentController
• Convert upload to
Attachment object

8th Sutol Conference, November 2016
Attachment @ Cloudant
• ControllerBase
• All controllers can
use these methods

8th Sutol Conference, November 2016
Attachment @ Cloudant
• Servlet is called in application for
download
• base64 data for the image tag

8th Sutol Conference, November 2016
RichText @ Cloudant
• Stored as MultiMimePart

8th Sutol Conference, November 2016
RichText @ Cloudant
• Which is nice converted to
JSON ;-)

8th Sutol Conference, November 2016
Search @ Cloudant
• Search example, filter the view

8th Sutol Conference, November 2016
Search @ Cloudant
• Do the search in the Controller, call
DAO

8th Sutol Conference, November 2016
Search @ Cloudant
• Search method calls the
CloudantService

8th Sutol Conference, November 2016
Search @ Cloudant
• CloudantService calls connector to get
the data

8th Sutol Conference, November 2016
Search @ Cloudant
• Cloudant job ftSearch index

8th Sutol Conference, November 2016
Resources
• OSGi Cloudant connector
– https://bitbucket.org/flinden68/cloudant-connector
• Cloudant documentation
– https://docs.cloudant.com/
• HR Assistant
– hrassistant.eu-gb.mybluemix.net
– github.com/flinden68/HR-Assistant

8th Sutol Conference, November 2016
Thank you

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Spring forward: an introduction to Spring boot and ThymeleafFrank van der Linden

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This document provides an overview and roadmap for developing servlets that can run on Domino and web servers. It discusses what servlets are, their structure and lifecycle. It then outlines steps to prepare an IDE, develop shared code, Domino and web application servlets, test the servlets, and deploy them as plugins to Domino or as a web application. Appendices provide more details on setting the target platform and creating the required OSGi and web application plugin projects.

Let's server your DataFrank van der Linden

Don't worry with bowerFrank van der Linden

This document provides an overview of Bower, a package manager for the web. It discusses the requirements to use Bower, how to install and configure it, and how to run Bower to install dependencies. Bower is used to manage front-end components and their dependencies. It requires Node.js and NPM to be installed first. Then Bower can be installed globally and configured via a bower.json file to specify packages and dependencies. Running Bower will install all dependencies to the default or specified directory. The document also briefly explains how Bower can be used with XPages projects to manage front-end libraries.

Bccon use notes objects in memory and other usefulFrank van der Linden

This document summarizes Frank van der Linden's presentation on using Notes objects in memory and other Java tips for XPages development. It discusses putting Notes documents in memory using DominoDocument wrappers, building JSON with built-in classes, using the MVC pattern with managed beans, Java date checks and utility classes, unit testing, and finally blocks. It also provides an overview of the presenter and includes links to his social media and website.

Use notes objects in memory and other useful java tips for xpages developmentFrank van der Linden

This document discusses various Java tips and techniques for XPages development, including: 1) Putting Notes documents in memory by wrapping them in a DominoDocument class to avoid memory issues. 2) Using built-in JSON classes to build JSON instead of string concatenation. 3) Creating managed beans to minimize server-side JavaScript and make code more readable. 4) Developing utility classes and extending classes for reusable code.

An XPager's Guide to Process Server-Side Jobs on DominoFrank van der Linden

Java and in particular OSGi are now very important parts of the Notes/Domino app dev model. In this session, you will learn what techniques can be utilized to process background jobs for XPages applications. Whether you want to replace your existing agents with Domino OSGi Tasklet Services (DOTS) or use Eclipse Jobs to run time-consuming routines without interrupting the use of your application - we will show you real life examples of why and how. You should also consider attending this session to hear about some suprises you don't want to miss...

The power of dotsFrank van der Linden

The document provides an introduction and overview of the Domino OSGi Tasklet Service (DOTS). DOTS allows developers to create tasklets outside of the Domino environment in Eclipse that can then run on a Domino server. The document outlines how to set up the DOTS development environment, create a simple "Hello World" tasklet, debug tasklets, deploy tasklets to the server, and offers tips for using annotations and progress monitoring in tasklets.

Let me introduce you: DOTSFrank van der Linden

DOTS (Domino OSGi Tasklet Service) allows developers to create tasklets outside of the Notes client to perform background tasks on the Domino server. Tasklets can be run on a schedule or manually and outperform Java agents. To use DOTS, it must be installed on the Domino server and Eclipse is used for development. Tasklets are developed as OSGi bundles and can be deployed to the server through a jar file or update site. Logging, progress monitoring, and annotations help developers code efficient tasklets. Multiple profiles allow isolating tasklets from each other.

Integrate domino designer with cvs source controlFrank van der Linden

This document discusses integrating Domino Designer with CVS source control. It covers installing CVS connectors, setting up a connection to a CVS repository, connecting databases to source control, submitting and getting changes from the repository. It also discusses more advanced topics like branching and merging. The document provides helpful links for CVS and other source control connectors that can be used with Domino Designer.

how to connect your app to the activity stream with x-pagesFrank van der Linden

This document discusses how to connect Domino applications to the IBM Connections Activity Stream. It provides an overview of IBM Connections 4, OAuth standards, and how to set up the environment. It then describes how to connect to the Activity Stream, including registering an app, installing required databases, and retrieving and posting entries. Code samples and resources for further information are also included.

Uklug2012 yellow and blue streamFrank van der Linden

This document summarizes a presentation about connecting to activity streams using Yellow and Blue systems. It discusses OAuth and OpenSocial standards for authorization and social components. The Yellow and Blue system presented pulls information from various sources using XPages, OAuth, and Java and displays it in a unified activity stream. It demonstrates connecting an app to the activity stream on Greenhouse using OAuth and the Social Enabler from OpenNTF to retrieve and display the stream.

Domino point2012 integrate domino designer with cvs source controlFrank van der Linden