Package org.apache.lucene.search

Examples of org.apache.lucene.search.FieldCache$CacheEntry

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    // we expect bad things, don't let tearDown complain about them
    cache.purgeAllCaches();
  }

  public void testInsanity2() throws IOException {
    FieldCache cache = FieldCache.DEFAULT;
    cache.purgeAllCaches();

    cache.getStrings(readerA, "theString");
    cache.getStrings(readerB, "theString");
    cache.getStrings(readerX, "theString");

    cache.getBytes(readerX, "theByte");


    // // //

    Insanity[] insanity =
      FieldCacheSanityChecker.checkSanity(cache.getCacheEntries());
   
    assertEquals("wrong number of cache errors", 1, insanity.length);
    assertEquals("wrong type of cache error",
                 InsanityType.SUBREADER,
                 insanity[0].getType());
    assertEquals("wrong number of entries in cache error", 3,
                 insanity[0].getCacheEntries().length);

    // we expect bad things, don't let tearDown complain about them
    cache.purgeAllCaches();
  }
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*/
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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