protected CacheLoader resolveCacheLoader() {
CacheLoader cl = null;
if (cacheLoaderManager != null && cacheLoaderManager.isEnabled()) {
cl = cacheLoaderManager.getCacheLoader();
}
return cl;
}
public static CacheLoader getCacheLoader(Cache cache) {
CacheLoaderManager clm = extractComponent(cache, CacheLoaderManager.class);
if (clm != null && clm.isEnabled()) {
return clm.getCacheLoader();
} else {
return null;
}
}
public static void clearCacheLoader(Cache cache) {
CacheLoaderManager cacheLoaderManager =
TestingUtil.extractComponent(cache, CacheLoaderManager.class);
if (cacheLoaderManager != null && cacheLoaderManager.getCacheStore() != null) {
try {
cacheLoaderManager.getCacheStore().clear();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
@Override
public Object perform(InvocationContext ctx) throws Throwable {
// To avoid reliance of a thread local flag, get a reference for the
// cache store to be able to clear it after cache has stopped.
CacheStore store = cacheLoaderManager.getCacheStore();
cacheManager.getCache(cacheName).stop();
// After stopping the cache, clear it
if (store != null) store.clear();
registry.removeCache(cacheName);
return null;
}
public CacheStore getCacheStoreForRehashing() {
if (cacheLoaderManager == null
|| !cacheLoaderManager.isEnabled()
|| cacheLoaderManager.isShared()) return null;
return cacheLoaderManager.getCacheStore();
}
CountingCacheStore getCacheStore(Cache cache) {
CacheLoaderManager clm = TestingUtil.extractComponent(cache, CacheLoaderManager.class);
ChainingCacheStore ccs = (ChainingCacheStore) clm.getCacheLoader();
return (CountingCacheStore) ccs.getStores().keySet().iterator().next();
}
/**
* Obtains the CacheStore that will be used for purging segments that are no longer owned by this
* node. The CacheStore will be purged only if it is enabled and it is not shared.
*/
private CacheStore getCacheStore() {
if (cacheLoaderManager.isEnabled() && !cacheLoaderManager.isShared()) {
return cacheLoaderManager.getCacheStore();
}
return null;
}
// Must run after the CacheLoaderManager
@Start(priority = 20)
public void start() {
isFetchEnabled =
configuration.clustering().stateTransfer().fetchInMemoryState()
|| cacheLoaderManager.isFetchPersistentState();
}