Examples with Collectors java.util.stream.Collectors used on opensource projects

Example 1 with Collectors

use of java.util.stream.Collectors in project caffeine by ben-manes.

the class LoadingCacheProxy method getAll.

/** Returns the entries, loading if necessary, and optionally updates their access expiry time. */
@SuppressWarnings("PMD.AvoidCatchingNPE")
private Map<K, V> getAll(Set<? extends K> keys, boolean updateAccessTime) {
    requireNotClosed();
    boolean statsEnabled = statistics.isEnabled();
    long start = statsEnabled ? ticker.read() : 0L;
    try {
        Map<K, Expirable<V>> entries = getAndFilterExpiredEntries(keys, updateAccessTime);
        if (entries.size() != keys.size()) {
            List<K> keysToLoad = keys.stream().filter(key -> !entries.containsKey(key)).collect(Collectors.<K>toList());
            entries.putAll(cache.getAll(keysToLoad));
        }
        Map<K, V> result = copyMap(entries);
        if (statsEnabled) {
            statistics.recordGetTime(ticker.read() - start);
        }
        return result;
    } catch (NullPointerException | IllegalStateException | ClassCastException | CacheException e) {
        throw e;
    } catch (RuntimeException e) {
        throw new CacheException(e);
    } finally {
        dispatcher.awaitSynchronous();
    }
}