/**
* Returns the instance of this class associated with this user and community.
*
* @param account User account.
* @param communityId Community ID.
* @return Instance of this class.
*/
public static synchronized CacheManager getInstance(UserAccount account, String communityId) {
if (account == null) {
account = SmartStoreSDKManager.getInstance().getUserAccountManager().getCurrentUser();
}
if (account == null) {
return null;
}
String uniqueId = account.getUserId();
if (UserAccount.INTERNAL_COMMUNITY_ID.equals(communityId)) {
communityId = null;
}
if (!TextUtils.isEmpty(communityId)) {
uniqueId = uniqueId + communityId;
}
CacheManager instance = null;
if (INSTANCES == null) {
INSTANCES = new HashMap<String, CacheManager>();
instance = new CacheManager(account, communityId);
INSTANCES.put(uniqueId, instance);
} else {
instance = INSTANCES.get(uniqueId);
}
if (instance == null) {
instance = new CacheManager(account, communityId);
INSTANCES.put(uniqueId, instance);
}
instance.resetInMemoryCache();
return instance;
}
/** Clears the cache and creates a new clean cache. */
private void cleanCache() {
resetInMemoryCache();
// Checks to make sure SmartStore hasn't already been cleaned up.
if (SmartSyncSDKManager.getInstance().hasSmartStore()) {
clearAllSoups();
}
}
/**
* Removes existing data from the specified cache.
*
* @param cacheType Cache type.
* @param cacheKey Cache key.
*/
public void removeCache(String cacheType, String cacheKey) {
if (cacheType == null
|| cacheKey == null
|| Constants.EMPTY_STRING.equals(cacheType)
|| Constants.EMPTY_STRING.equals(cacheKey)) {
return;
}
if (doesCacheExist(cacheType)) {
smartStore.dropSoup(cacheType);
removeSoupNameFromMasterSoup(cacheType);
resetInMemoryCache();
}
}
/**
* Private parameterized constructor.
*
* @param account User account.
* @param communityId Community ID.
*/
private CacheManager(UserAccount account, String communityId) {
smartStore = SmartSyncSDKManager.getInstance().getSmartStore(account, communityId);
resetInMemoryCache();
}