return instance;
}
private TwitterDataService() {
log.info("Initializing TwitterLiveDataImporter ...");
importer = new TwitterLiveDataImporter();
//importer = new TwitterLiveDataImporter();
log.info("Initializing CacheManager with data from ehcache.xml ...");
cacheManager = new CacheManager(this.getClass().getClassLoader().getResourceAsStream("/ehcache.xml"));
followersCache = cacheManager.getCache(CACHE_FOLLOWERS);
usersCache = cacheManager.getCache(CACHE_USERS);