I am using Memcache/JCache to add certain Strings to the Cache.
Somehow I thought there would be only 1 instance of my cache that is
shared across my application. To refresh my cache I have a cron job
that is supposed to do the refresh, if needed. What I am seeing though
is that the cache gets always refreshed. What am I missing?
Sample code:
Cache cache = null;
try {
cache = CacheManager.getInstance().getCache("TIPCache");
if (cache == null) {
CacheFactory cacheFactory =
CacheManager.getInstance().getCacheFactory();
cache =
cacheFactory.createCache(Collections.emptyMap());
CacheManager.getInstance().registerCache("TIPCache", cache);
}
if (!cache.containsKey("somekey")) {
cache.put("somekey", "some string");
log.info("Cache updated");
}
else {
log.info("Cache up to date");
}
} catch (CacheException e) {
log.severe("Could not create CACHE instances!");
}
Code like the above is running every 2 hours using a cron job. I would
expect to see the message "Cache up to date", but I see "Cache
updated" every 2 hours.
What am I doing wrong?
Thx
---Joerg---
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