How to use

setExpired

method

in

org.dd4t.caching.providers.EHCacheProvider

@Override
public void flush() {
  if (!isEnabled()) {
    return;
  }
  if (cache == null) {
    LOG.error("Cache configuration is invalid! NOT Caching. Check EH Cache configuration.");
    return;
  }
  LOG.info("Expire all items in cache");
  for (Object key : cache.getKeys()) {
    setExpired(cache.get(key), 0);
  }
  for (Object key : dependencyCache.getKeys()) {
    setExpired(dependencyCache.get(key), ADJUST_TTL);
  }
}

@Override
public void invalidate(final String key) {
  if (!isEnabled()) {
    return;
  }
  if (dependencyCache == null) {
    LOG.error("Cache configuration is invalid! NOT Caching. Check EH Cache configuration.");
    return;
  }
  String dependencyKey = getKey(key);
  Element dependencyElement = dependencyCache.get(dependencyKey);
  if (dependencyElement != null) {
    LOG.info("Expire key: {} from dependency cache", dependencyKey);
    setExpired(dependencyElement, ADJUST_TTL);
    ConcurrentSkipListSet<String> cacheSet = ((CacheElement<ConcurrentSkipListSet<String>>) dependencyElement
        .getObjectValue()).getPayload();
    if (cacheSet != null) {
      for (String cacheKey : cacheSet) {
        LOG.debug("Expire cache key: {} from cache", cacheKey);
        Element cacheElement = cache.get(cacheKey);
        setExpired(cacheElement, 0);
      }
    }
  } else {
    LOG.info("Attempting to expire key {} but not found in dependency cache", dependencyKey);
  }
}

if (currentElement == null) {
  currentElement = new Element(key, new CacheElementImpl<T>(null));
  setExpired(currentElement, 0);
  Element oldElement = cache.putIfAbsent(currentElement);
  if (oldElement != null) {