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  1. #1
    darius_dada is offline Member
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    Dec 2010
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    Default How to update in real time


    I have an application that fills a jlist from a mysql database.
    I've implemented an updateList() function that I use for updating the list after a create or delete operation.

    So here is my question:

    How do I update the list in real time...meaning...if the database is modified outside the application(say the MySql Command Line Program) I want my list to update automaticaly.....without any refresh button or any stuff like that.

    I was thinking of a function (or something) that runs in the background and checks the database every 5 or 10 seconds...but I have no ideea how to implement something like that.

    Any ideas?

  2. #2
    j2me64's Avatar
    j2me64 is offline Senior Member
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    Sep 2009
    Zurich, Switzerland
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    a good choice for a dynamically changing list is to use the DefaultListModel. you will find an example here. in the example the JList is updated by pressing either the add or the remove button. in your app you could instantiate a thread that reads your records every 5 or 10 seconds, looks for changes and update the jlist.

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