Examples of io.undertow.server.handlers.cache.LRUCache$CacheEntry

Package io.undertow.server.handlers.cache

Examples of io.undertow.server.handlers.cache.LRUCache$CacheEntry

org.wso2.carbon.clustering.hazelcast.jsr107.CacheEntry
A non-blocking cache where entries are indexed by a key.

To reduce contention, entry allocation and eviction execute in a sampling fashion (entry hits modulo N). Eviction follows an LRU approach (oldest sampled entries are removed first) when the cache is out of capacity.

@author Jason T. Greene @author Stuart Douglas

 */
public class LeastRecentlyUsedEvictionAlgorithm implements EvictionAlgorithm {


    @SuppressWarnings("unchecked")
    public void evict(CacheImpl cache) {
        CacheEntry lruCacheEntry = null;
        for (Object o : cache.getAll()) {
            CacheEntry cacheEntry = (CacheEntry) o;
            if (lruCacheEntry == null) {
                lruCacheEntry = cacheEntry;
            } else if (lruCacheEntry.getLastAccessed() > cacheEntry.getLastAccessed()) {
                lruCacheEntry = cacheEntry;
            }
        }
        if (lruCacheEntry != null) {
            cache.evict(lruCacheEntry.getKey());

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 */
public class MostRecentlyUsedEvictionAlgorithm implements EvictionAlgorithm {


    @SuppressWarnings("unchecked")
    public void evict(CacheImpl cache) {
        CacheEntry mruCacheEntry = null;
        for (Object o : cache.getAll()) {
            CacheEntry cacheEntry = (CacheEntry) o;
            if (mruCacheEntry == null) {
                mruCacheEntry = cacheEntry;
            } else if (mruCacheEntry.getLastAccessed() < cacheEntry.getLastAccessed()) {
                mruCacheEntry = cacheEntry;
            }
        }
        if (mruCacheEntry != null) {
            cache.evict(mruCacheEntry.getKey());

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public class RandomEvictionAlgorithm implements EvictionAlgorithm {
    private static Random random = new Random();


    @SuppressWarnings("unchecked")
    public void evict(CacheImpl cache) {
        CacheEntry lruCacheEntry = null;
        Collection all = cache.getAll();
        int evictionIndex = random.nextInt(all.size());
        int index = 0;


        for (Object anAll : all) {
            CacheEntry cacheEntry = (CacheEntry) anAll;
            if (index == evictionIndex) {
                lruCacheEntry = cacheEntry;
                break;
            }
            index++;

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