private void buildCache() {
String cacheName = ejbDescriptor.getEjbClassName();
String victimPolicy = cacheProps.getVictimSelectionPolicy();
if (cacheProps.getMaxCacheSize() <= 0) {
sessionCache =
new UnBoundedSessionCache(
cacheName,
sfsbContainer,
cacheProps.getCacheIdleTimeoutInSeconds(),
cacheProps.getRemovalTimeoutInSeconds());
} else if ("lru".equalsIgnoreCase(victimPolicy)) {
sessionCache =
new LruSessionCache(
cacheName,
sfsbContainer,
cacheProps.getCacheIdleTimeoutInSeconds(),
cacheProps.getRemovalTimeoutInSeconds());
} else if ("fifo".equalsIgnoreCase(victimPolicy)) {
sessionCache =
new FIFOSessionCache(
cacheName,
sfsbContainer,
cacheProps.getCacheIdleTimeoutInSeconds(),
cacheProps.getRemovalTimeoutInSeconds());
} else {
sessionCache =
new NRUSessionCache(
cacheName,
sfsbContainer,
cacheProps.getCacheIdleTimeoutInSeconds(),
cacheProps.getRemovalTimeoutInSeconds());
}
float ratio =
(float) (1.0 * cacheProps.getNumberOfVictimsToSelect() / cacheProps.getMaxCacheSize());
float loadFactor = (float) (1.0 - ratio);
if (loadFactor < 0 || loadFactor > 1) {
loadFactor = 0.75f;
}
if (cacheProps.getMaxCacheSize() <= 0) {
sessionCache.init(16 * 1024, loadFactor, null);
} else {
sessionCache.init(cacheProps.getMaxCacheSize(), loadFactor, null);
}
sessionCache.addCacheListener((CacheListener) sfsbContainer);
sessionCache.setSessionStore(this.sfsbStoreManager);
sfsbContainer.setSessionCache(sessionCache);
if (cacheProps.getNumberOfVictimsToSelect() > sfsbContainer.MIN_PASSIVATION_BATCH_COUNT) {
sfsbContainer.setPassivationBatchCount(cacheProps.getNumberOfVictimsToSelect());
}
if (_logger.isLoggable(TRACE_LEVEL)) {
_logger.log(
TRACE_LEVEL,
"Created cache [for "
+ ejbDescriptor.getName()
+ "] "
+ cacheProps
+ "; loadFactor: "
+ loadFactor
+ "; storeManager: "
+ this.sfsbStoreManager);
}
}
