DZone
Thanks for visiting DZone today,
Edit Profile
  • Manage Email Subscriptions
  • How to Post to DZone
  • Article Submission Guidelines
Sign Out View Profile
  • Post an Article
  • Manage My Drafts
Over 2 million developers have joined DZone.
Log In / Join
Refcards Trend Reports Events Over 2 million developers have joined DZone. Join Today! Thanks for visiting DZone today,
Edit Profile Manage Email Subscriptions Moderation Admin Console How to Post to DZone Article Submission Guidelines
View Profile
Sign Out
Refcards
Trend Reports
Events
Zones
Culture and Methodologies Agile Career Development Methodologies Team Management
Data Engineering AI/ML Big Data Data Databases IoT
Software Design and Architecture Cloud Architecture Containers Integration Microservices Performance Security
Coding Frameworks Java JavaScript Languages Tools
Testing, Deployment, and Maintenance Deployment DevOps and CI/CD Maintenance Monitoring and Observability Testing, Tools, and Frameworks
Partner Zones AWS Cloud
by AWS Developer Relations
Culture and Methodologies
Agile Career Development Methodologies Team Management
Data Engineering
AI/ML Big Data Data Databases IoT
Software Design and Architecture
Cloud Architecture Containers Integration Microservices Performance Security
Coding
Frameworks Java JavaScript Languages Tools
Testing, Deployment, and Maintenance
Deployment DevOps and CI/CD Maintenance Monitoring and Observability Testing, Tools, and Frameworks
Partner Zones
AWS Cloud
by AWS Developer Relations

Trending

  • Why You Should Consider Using React Router V6: An Overview of Changes
  • Microservices: Quarkus vs Spring Boot
  • Low Code vs. Traditional Development: A Comprehensive Comparison
  • Implementing RBAC in Quarkus
  1. DZone
  2. Coding
  3. Frameworks
  4. AngularJS Pattern #1 - async service results

AngularJS Pattern #1 - async service results

Ken Rimple user avatar by
Ken Rimple
·
May. 26, 13 · Interview
Like (0)
Save
Tweet
Share
10.42K Views

Join the DZone community and get the full member experience.

Join For Free

Spring Quizzo ETE sample code

Hi everyone. If you're looking for examples of potential ways to interact with a Spring app from AngularJS, take a look at the project I worked on with Pivotal's David Turanski for ETE, the Quizzo-ETE application.

It's at github.com/krimple/quizzo-ete. Highlights:

Now here's something I ended up using (but not as well as in here) for the quiz. It's a way to send a request to a Angular service asynchronously and receive a result via a message back to the component.

Asynchronous calls to services in Angular

In Angular, everything is asynchronous as much as possible to provide speed. A call to a $http service, which performs ajax methods, doesn't immediately return a value. If you decide to split up your Angular controllers and services, so you separate your UI from the calls to your backends, you'll quickly find that it becomes hard to get a response without some extra work.

One way to orchestrate calls is to use the Angular messaging framework, built into the $scope object. For example, in our controller we can execute a call to fetch games we're able to play right now, but we won't get the response right away. So, we can subscribe to a message, sent by our service, which will then come back to us with data. See this simple JSFiddle for an example:

The service uses a passed $scope variable. I've also injected a $rootScope into the service. Using that one would allow us to broadcast the message to any interested party.

AngularJS

Published at DZone with permission of Ken Rimple, DZone MVB. See the original article here.

Opinions expressed by DZone contributors are their own.

Trending

  • Why You Should Consider Using React Router V6: An Overview of Changes
  • Microservices: Quarkus vs Spring Boot
  • Low Code vs. Traditional Development: A Comprehensive Comparison
  • Implementing RBAC in Quarkus

Comments

Partner Resources

X

ABOUT US

  • About DZone
  • Send feedback
  • Careers
  • Sitemap

ADVERTISE

  • Advertise with DZone

CONTRIBUTE ON DZONE

  • Article Submission Guidelines
  • Become a Contributor
  • Visit the Writers' Zone

LEGAL

  • Terms of Service
  • Privacy Policy

CONTACT US

  • 600 Park Offices Drive
  • Suite 300
  • Durham, NC 27709
  • support@dzone.com

Let's be friends: