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Questions tagged [event-bus]

Questions pertaining to Event Bus systems (e.g. GWT, otto, etc.).

Event Bus Systems have Event driven/distributed asynchronous architecture patterns. The advantages of these systems are that can be used with small to complex applications, enable creating highly scalable reactive applications and services can be independent, isolated and decoupled from each other. publish/subscribe system is possible by using an implementation of an event bus.

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GWT: Injected PlaceManager is null

On the code below I am injecting a PlaceManager on the 4th line, and trying to use the placeManager.revealPlace() on the last line. However, at that moment I get a null exception. Furthermore, if I add a if(placeManager==null){…
user411103
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Difference between Vert.x event bus and CDI Event

What is the difference between using an event bus for publishing events vs using CDI Event with @Observes? I'm currently using the event bus for all async communications in Quarkus. Since the vert.x event bus does not support cluster communication…
Romil Punetha
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Vue EventBus & the Lifecycle

I have a question about how to use an event in one component to trigger an event in another. I have two components, both child components at the same level. If the updated() method is called in component1.vue, I want component2.vue method…
hannahatl
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How to pass data which is coming as response from backend to the another component in vue.js?

I am developing one page which is responsible for placing order Cart.vue which contains two api calls, handleMail() method is sending email and generating a orderID and i am getting response from backend in network section like this. { …
Devops Training
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can EventBus be used on only one activity?

I am trying to get some values from an API endpoint, and onclick of a button I want it to show the values on some editTexts but in the same activity.i.e the button and the editTEXTS are on the same screen. How do i do that?
Ayodele Tolu
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Communicate between two components(not related with child-parent)

component 1 getMyProfile(){ this.$root.$emit('event'); console.log("emited") }, component 2 mounted() { this.$root.$on('event', () = { alert("Fired"); } } I am trying to alert "fired" of comonent 2 from…
weaver
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GreenRobot eventbus gradle upgrade failed with de.greenrobot:eventbus:3.1.1

When I tried to upgrade the eventbus SDK with dependancy "de.greenrobot:eventbus:3.1.1", it says couldn't resolve "de.greenrobot:eventbus:3.1.1".
Shalu T D
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Common Event Bus Instance

I have registered event bus in one activity like - EventBus.getDefault.register(this); But Now i want to unregister it in to another activity.So how to achieve it?
sanil
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How to use EventBus library in android

I want develop android appliacation for one site, in this application i want use oKHttp v3, and EventBus v3. eventbus library source link : LINK. I write below codes, but when running application, show me FC error! okHttp_Page(main activity) codes:…
FeedBack
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An error occurs when trying to delete Pull Request on github

I get the following error when I try to delete github PR in AWS. EventBus can't be deleted since it has rules. (Service: AWSEvents; Status Code: 400; Error Code: ValidationException) I checked the events and I get the same error in almost all…
Onur
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Difference between the Central EventBus and Backbone.Radio?

In the context of Backbone.js and Marionette.js, what is the difference between the Central EventBus and the Backbone.Radio system? Does the Backbone.Radio system wrap the Central EventBus?
lsimmons
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