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I want to access a data continuoulsy. Means on each change the API should give me updated data


Spring Boot - parent pom when you already have a parent pomWhy does my Spring Boot App always shutdown immediately after starting?Angular 2: How to autherization header to http.get request?Angular / Spring Boot - Additional character in HTTP bodySpring + Angular: How to parse ResponseEntity in angular?Spring boot microservice response issue with angular 2 http callAngular 4 Http req, get text body from HttpResponseSubscribing to Angular 6 POST requestAngular Basic Auth Spring BootSpring boot session in redis, expiration time update for each access






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








0















For now, I am working on like button. So, database is storing person who liked. Upon liking it will try to add user's email to db and return updated liker(for unlike it will remove from db). so, I can print in angular using array.length to see how many person liked



But, now what I want is when another person like it. In my browser I also get updated like counter. For that what I can do is request the spring boot API in each second. But, that is not recommended I think. What can I do so I will get liker list from spring boot to angular continuously?










share|improve this question

















  • 1





    This requires a different approach, using either WebSockets or Server Sent Events. The question is too broad though to go further into detail than that.

    – g00glen00b
    Mar 27 at 7:11











  • ok. The question is broad as I have no idea with what to proceed and this much info you gave is enough to get an idea. I will see both socket and server sent event.

    – P Satish Patro
    Mar 27 at 7:21

















0















For now, I am working on like button. So, database is storing person who liked. Upon liking it will try to add user's email to db and return updated liker(for unlike it will remove from db). so, I can print in angular using array.length to see how many person liked



But, now what I want is when another person like it. In my browser I also get updated like counter. For that what I can do is request the spring boot API in each second. But, that is not recommended I think. What can I do so I will get liker list from spring boot to angular continuously?










share|improve this question

















  • 1





    This requires a different approach, using either WebSockets or Server Sent Events. The question is too broad though to go further into detail than that.

    – g00glen00b
    Mar 27 at 7:11











  • ok. The question is broad as I have no idea with what to proceed and this much info you gave is enough to get an idea. I will see both socket and server sent event.

    – P Satish Patro
    Mar 27 at 7:21













0












0








0








For now, I am working on like button. So, database is storing person who liked. Upon liking it will try to add user's email to db and return updated liker(for unlike it will remove from db). so, I can print in angular using array.length to see how many person liked



But, now what I want is when another person like it. In my browser I also get updated like counter. For that what I can do is request the spring boot API in each second. But, that is not recommended I think. What can I do so I will get liker list from spring boot to angular continuously?










share|improve this question














For now, I am working on like button. So, database is storing person who liked. Upon liking it will try to add user's email to db and return updated liker(for unlike it will remove from db). so, I can print in angular using array.length to see how many person liked



But, now what I want is when another person like it. In my browser I also get updated like counter. For that what I can do is request the spring boot API in each second. But, that is not recommended I think. What can I do so I will get liker list from spring boot to angular continuously?







angular spring-boot spring-repositories






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Mar 26 at 13:28









P Satish PatroP Satish Patro

4303 silver badges14 bronze badges




4303 silver badges14 bronze badges







  • 1





    This requires a different approach, using either WebSockets or Server Sent Events. The question is too broad though to go further into detail than that.

    – g00glen00b
    Mar 27 at 7:11











  • ok. The question is broad as I have no idea with what to proceed and this much info you gave is enough to get an idea. I will see both socket and server sent event.

    – P Satish Patro
    Mar 27 at 7:21












  • 1





    This requires a different approach, using either WebSockets or Server Sent Events. The question is too broad though to go further into detail than that.

    – g00glen00b
    Mar 27 at 7:11











  • ok. The question is broad as I have no idea with what to proceed and this much info you gave is enough to get an idea. I will see both socket and server sent event.

    – P Satish Patro
    Mar 27 at 7:21







1




1





This requires a different approach, using either WebSockets or Server Sent Events. The question is too broad though to go further into detail than that.

– g00glen00b
Mar 27 at 7:11





This requires a different approach, using either WebSockets or Server Sent Events. The question is too broad though to go further into detail than that.

– g00glen00b
Mar 27 at 7:11













ok. The question is broad as I have no idea with what to proceed and this much info you gave is enough to get an idea. I will see both socket and server sent event.

– P Satish Patro
Mar 27 at 7:21





ok. The question is broad as I have no idea with what to proceed and this much info you gave is enough to get an idea. I will see both socket and server sent event.

– P Satish Patro
Mar 27 at 7:21












1 Answer
1






active

oldest

votes


















2














Socket.io might be what you're looking for. It's a real time library that performs the trick through a web socket. You can trigger events from server-side and make you client listen to them with a callback, and update your view consequently.



https://socket.io/






share|improve this answer























  • I see. I will go through socket programming. Is it ok to use websocket programming only for like button for webapp where no other part of code need socket. Means is it recommended in my situation?

    – P Satish Patro
    Mar 27 at 7:20






  • 1





    Since the library is relatively lightweight (less than lodash for instance), I would say that it's a fair strategy. Having post requests every seconds might be far more resource consuming, since you will have to do it for every post on your page. You should have less code write using it though :)

    – Alex
    Mar 27 at 8:59










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1 Answer
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active

oldest

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1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









2














Socket.io might be what you're looking for. It's a real time library that performs the trick through a web socket. You can trigger events from server-side and make you client listen to them with a callback, and update your view consequently.



https://socket.io/






share|improve this answer























  • I see. I will go through socket programming. Is it ok to use websocket programming only for like button for webapp where no other part of code need socket. Means is it recommended in my situation?

    – P Satish Patro
    Mar 27 at 7:20






  • 1





    Since the library is relatively lightweight (less than lodash for instance), I would say that it's a fair strategy. Having post requests every seconds might be far more resource consuming, since you will have to do it for every post on your page. You should have less code write using it though :)

    – Alex
    Mar 27 at 8:59















2














Socket.io might be what you're looking for. It's a real time library that performs the trick through a web socket. You can trigger events from server-side and make you client listen to them with a callback, and update your view consequently.



https://socket.io/






share|improve this answer























  • I see. I will go through socket programming. Is it ok to use websocket programming only for like button for webapp where no other part of code need socket. Means is it recommended in my situation?

    – P Satish Patro
    Mar 27 at 7:20






  • 1





    Since the library is relatively lightweight (less than lodash for instance), I would say that it's a fair strategy. Having post requests every seconds might be far more resource consuming, since you will have to do it for every post on your page. You should have less code write using it though :)

    – Alex
    Mar 27 at 8:59













2












2








2







Socket.io might be what you're looking for. It's a real time library that performs the trick through a web socket. You can trigger events from server-side and make you client listen to them with a callback, and update your view consequently.



https://socket.io/






share|improve this answer













Socket.io might be what you're looking for. It's a real time library that performs the trick through a web socket. You can trigger events from server-side and make you client listen to them with a callback, and update your view consequently.



https://socket.io/







share|improve this answer












share|improve this answer



share|improve this answer










answered Mar 26 at 13:34









AlexAlex

2362 silver badges12 bronze badges




2362 silver badges12 bronze badges












  • I see. I will go through socket programming. Is it ok to use websocket programming only for like button for webapp where no other part of code need socket. Means is it recommended in my situation?

    – P Satish Patro
    Mar 27 at 7:20






  • 1





    Since the library is relatively lightweight (less than lodash for instance), I would say that it's a fair strategy. Having post requests every seconds might be far more resource consuming, since you will have to do it for every post on your page. You should have less code write using it though :)

    – Alex
    Mar 27 at 8:59

















  • I see. I will go through socket programming. Is it ok to use websocket programming only for like button for webapp where no other part of code need socket. Means is it recommended in my situation?

    – P Satish Patro
    Mar 27 at 7:20






  • 1





    Since the library is relatively lightweight (less than lodash for instance), I would say that it's a fair strategy. Having post requests every seconds might be far more resource consuming, since you will have to do it for every post on your page. You should have less code write using it though :)

    – Alex
    Mar 27 at 8:59
















I see. I will go through socket programming. Is it ok to use websocket programming only for like button for webapp where no other part of code need socket. Means is it recommended in my situation?

– P Satish Patro
Mar 27 at 7:20





I see. I will go through socket programming. Is it ok to use websocket programming only for like button for webapp where no other part of code need socket. Means is it recommended in my situation?

– P Satish Patro
Mar 27 at 7:20




1




1





Since the library is relatively lightweight (less than lodash for instance), I would say that it's a fair strategy. Having post requests every seconds might be far more resource consuming, since you will have to do it for every post on your page. You should have less code write using it though :)

– Alex
Mar 27 at 8:59





Since the library is relatively lightweight (less than lodash for instance), I would say that it's a fair strategy. Having post requests every seconds might be far more resource consuming, since you will have to do it for every post on your page. You should have less code write using it though :)

– Alex
Mar 27 at 8:59








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