Wednesday, January 13, 2010

How to run background process in GWT

There is no such thing as "background process" in Google Web Toolkit client, because... it is a client part. So you can not do threads, can not do daemons, since it supposed to be cross-compiled to JavaScript and run in a browser pretty ugly way. However, you can repeatedly call the same function. In JavaScript it is timeout. But you want to avoid JSNI for this. Hence, do the following: use a If you want call it periodically each 5 seconds, you can do something like this:
private void updaterProcess() {
Timer timer = new Timer() {
public void run() {
// call stuff here


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