Package io.s4.persist

Examples of io.s4.persist.HashMapPersister$CacheEntry


   @Test
   public void testCloneAndInitialize() {
       MockPE prototype = new MockPE();
       prototype.setInitMethod("testInitialize");
      
       PrototypeWrapper prototypeWrapper = new PrototypeWrapper(prototype, new WallClock());

       assertEquals(0, prototype.getInitializeCount());
       MockPE instance = (MockPE)prototypeWrapper.getPE("asd");
       assertNotNull(instance);
      
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        s4Clock = new EventClock();
        s4Clock.updateTime(69990000);
        TimeUpdaterThread timeUpdater = new TimeUpdaterThread(s4Clock);
        Thread timeUpdaterThread = new Thread(timeUpdater);
        timeUpdaterThread.start();
        persister = new HashMapPersister(s4Clock);
        testPersisterClock.testPersister(persister);
        persister = new ConMapPersister(s4Clock);
        testPersisterClock.testPersister(persister);
    }
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        persister = new ConMapPersister(s4Clock);
        testPersisterClock.testPersister(persister);
    }

    public void testPersister(Persister persister) {
        HashMapPersister hp = null;
        ConMapPersister cp = null;
        if (persister instanceof HashMapPersister) {
            hp = (HashMapPersister) persister;
            hp.init();

            hp.set("mykey1", "Test1", 40);
            hp.set("mykey2", "Test2", 48);
            hp.set("mykey3", "Test2", -1);

            try {
                s4Clock.waitForTime(s4Clock.getCurrentTime() + 1);
            } catch (Exception e) {
            }

            System.out.println("mykey1: " + hp.get("mykey1"));
            System.out.println("mykey2: " + hp.get("mykey2"));
            System.out.println("mykey3: " + hp.get("mykey3"));

            System.out.println("Going to sleep...");
            try {
                s4Clock.waitForTime(s4Clock.getCurrentTime() + 41000);
            } catch (Exception e) {
            }
            System.out.println("Waking up");

            System.out.println("mykey1: " + hp.get("mykey1"));
            System.out.println("mykey2: " + hp.get("mykey2"));
            System.out.println("mykey3: " + hp.get("mykey3"));

            System.out.println("Going to sleep...");
            try {
                s4Clock.waitForTime(s4Clock.getCurrentTime() + 10000);
            } catch (Exception e) {
            }
            System.out.println("Waking up");

            System.out.println("mykey1: " + hp.get("mykey1"));
            System.out.println("mykey2: " + hp.get("mykey2"));
            System.out.println("mykey3: " + hp.get("mykey3"));
            System.out.println("cleanUp: " + hp.cleanOutGarbage());

        }
        if (persister instanceof ConMapPersister) {
            cp = (ConMapPersister) persister;
            cp.init();
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    static Persister persister;

    public static void main(String[] args) {
        TestPersisterWallClock testPersisterClock = new TestPersisterWallClock();
        s4Clock = new WallClock();
        persister = new HashMapPersister(s4Clock);
        testPersisterClock.testPersister(persister);
        persister = new ConMapPersister(s4Clock);
        testPersisterClock.testPersister(persister);
    }
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        persister = new ConMapPersister(s4Clock);
        testPersisterClock.testPersister(persister);
    }

    public void testPersister(Persister persister) {
        HashMapPersister hp = null;
        ConMapPersister cp = null;
        if (persister instanceof HashMapPersister) {
            hp = (HashMapPersister) persister;
            hp.init();

            hp.set("mykey1", "Test1", 40);
            hp.set("mykey2", "Test2", 48);
            hp.set("mykey3", "Test2", -1);

            try {
                s4Clock.waitForTime(s4Clock.getCurrentTime() + 1);
            } catch (Exception e) {
            }

            System.out.println("mykey1: " + hp.get("mykey1"));
            System.out.println("mykey2: " + hp.get("mykey2"));
            System.out.println("mykey3: " + hp.get("mykey3"));

            System.out.println("Going to sleep...");
            try {
                s4Clock.waitForTime(s4Clock.getCurrentTime() + 41000);
            } catch (Exception e) {
            }
            System.out.println("Waking up");

            System.out.println("mykey1: " + hp.get("mykey1"));
            System.out.println("mykey2: " + hp.get("mykey2"));
            System.out.println("mykey3: " + hp.get("mykey3"));

            System.out.println("Going to sleep...");
            try {
                s4Clock.waitForTime(s4Clock.getCurrentTime() + 10000);
            } catch (Exception e) {
            }
            System.out.println("Waking up");

            System.out.println("mykey1: " + hp.get("mykey1"));
            System.out.println("mykey2: " + hp.get("mykey2"));
            System.out.println("mykey3: " + hp.get("mykey3"));
            System.out.println("cleanUp: " + hp.cleanOutGarbage());

        }
        if (persister instanceof ConMapPersister) {
            cp = (ConMapPersister) persister;
            cp.init();
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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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