Ændring af properties i propertyfil uden genstart af komponent

Hvis komponenten kun læser property filen første gang den kaldes/bruges, så kan du jo ikke
rigtigt gøre noget medmindre du kan omskrive komponenten til ved kald/brug at checke at hvis
det er mere end X minutter siden den læste filen, så checker den lige om filen er
opdateret,

Okay, jeg må kigge på det imorgen.

Det bliver nok en omskrivning af komponenterne - så indtil videre tak for sporet.

Vender tilbage.

prøv at kigge på apache comons Configuration:

http://commons.apache.org/configuration/userguide/howto_filebased.html

Automatic Reloading
A common issue with file-based configurations is to handle the reloading of the data file when it changes. This is especially important if you have long running applications and do not want to restart them when a configuration file was updated. Commons Configuration has the concept of so called reloading strategies that can be associated with a file-based configuration. Such a strategy monitors a configuration file and is able to detect changes. A default reloading strategy is FileChangedReloadingStrategy . It can be set on a file-based configuration as follows:

PropertiesConfiguration config = new PropertiesConfiguration("usergui.properties");
config.setReloadingStrategy(new FileChangedReloadingStrategy());

FileChangedReloadingStrategy works as follows: On every property access the configuration checks its associated reloading strategy. FileChangedReloadingStrategy will then obtain the last modification date of the configuration file and check whether it has changed since the last access. If this is the case, a reload is triggered. To avoid often disk access when multiple properties are queried from the configuration, a refresh delay can be set on the reloading strategy. This is a time in milli seconds with the meaning that the reloading strategy will only once check the file's last modification time in the period specified here.

Det ser interessant ud mfalck!

Erklæringen af den viste MBean skabelon (Managed reloading i artiklen)  skal angives hvor?

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