Examples with CacheEntryCreatedListener org.cache2k.event.CacheEntryCreatedListener used on opensource projects

Example 1 with CacheEntryCreatedListener

use of org.cache2k.event.CacheEntryCreatedListener in project cache2k by cache2k.

the class CacheLoaderWiredCacheTest method testLoaderWithListener.

@Test
public void testLoaderWithListener() {
    final AtomicInteger _countCreated = new AtomicInteger();
    Cache<Integer, Integer> c = target.cache(new CacheRule.Specialization<Integer, Integer>() {

        @Override
        public void extend(final Cache2kBuilder<Integer, Integer> b) {
            b.loader(new CacheLoader<Integer, Integer>() {

                @Override
                public Integer load(final Integer key) throws Exception {
                    return key * 2;
                }
            }).addListener(new CacheEntryCreatedListener<Integer, Integer>() {

                @Override
                public void onEntryCreated(final Cache<Integer, Integer> c, final CacheEntry<Integer, Integer> e) {
                    _countCreated.incrementAndGet();
                }
            });
        }
    });
    assertEquals(0, _countCreated.get());
    assertEquals((Integer) 10, c.get(5));
    assertEquals(1, _countCreated.get());
    assertEquals((Integer) 20, c.get(10));
    assertFalse(c.containsKey(2));
    assertTrue(c.containsKey(5));
    c.close();
}

Example 2 with CacheEntryCreatedListener

use of org.cache2k.event.CacheEntryCreatedListener in project cache2k by cache2k.

the class InternalCache2kBuilder method buildAsIs.

/**
 * Build without applying external configuration. Needed for JCache.
 */
@SuppressWarnings({ "unchecked", "SuspiciousToArrayCall" })
public Cache<K, V> buildAsIs() {
    if (config.getValueType() == null) {
        config.setValueType(Object.class);
    }
    if (config.getKeyType() == null) {
        config.setKeyType(Object.class);
    }
    if (config.getName() == null) {
        config.setName(deriveNameFromStackTrace());
    }
    checkConfiguration();
    Class<?> _implClass = HeapCache.TUNABLE.defaultImplementation;
    InternalCache<K, V> _cache = constructImplementationAndFillParameters(_implClass);
    InternalClock _timeReference = (InternalClock) _cache.createCustomization(config.getClock());
    if (_timeReference == null) {
        _timeReference = ClockDefaultImpl.INSTANCE;
    }
    HeapCache bc = (HeapCache) _cache;
    bc.setCacheManager(manager);
    if (config.hasCacheClosedListeners()) {
        bc.setCacheClosedListeners(config.getCacheClosedListeners());
    }
    configureViaSettersDirect(bc);
    bc.setClock(_timeReference);
    boolean _wrap = false;
    if (config.hasListeners()) {
        _wrap = true;
    }
    if (config.hasAsyncListeners()) {
        _wrap = true;
    }
    if (config.getWriter() != null) {
        _wrap = true;
    }
    WiredCache<K, V> wc = null;
    if (_wrap) {
        wc = new WiredCache<K, V>();
        wc.heapCache = bc;
        _cache = wc;
    }
    String _name = manager.newCache(_cache, bc.getName());
    bc.setName(_name);
    if (_wrap) {
        wc.loader = bc.loader;
        if (config.getWriter() != null) {
            wc.writer = (CacheWriter<K, V>) bc.createCustomization(config.getWriter());
        }
        List<CacheEntryCreatedListener<K, V>> _syncCreatedListeners = new ArrayList<CacheEntryCreatedListener<K, V>>();
        List<CacheEntryUpdatedListener<K, V>> _syncUpdatedListeners = new ArrayList<CacheEntryUpdatedListener<K, V>>();
        List<CacheEntryRemovedListener<K, V>> _syncRemovedListeners = new ArrayList<CacheEntryRemovedListener<K, V>>();
        List<CacheEntryExpiredListener<K, V>> _syncExpiredListeners = new ArrayList<CacheEntryExpiredListener<K, V>>();
        List<CacheEntryExpiredListener<K, V>> _expiredListeners = new ArrayList<CacheEntryExpiredListener<K, V>>();
        if (config.hasListeners()) {
            for (CustomizationSupplier<CacheEntryOperationListener<K, V>> f : config.getListeners()) {
                CacheEntryOperationListener<K, V> el = (CacheEntryOperationListener<K, V>) bc.createCustomization(f);
                if (el instanceof CacheEntryCreatedListener) {
                    _syncCreatedListeners.add((CacheEntryCreatedListener) el);
                }
                if (el instanceof CacheEntryUpdatedListener) {
                    _syncUpdatedListeners.add((CacheEntryUpdatedListener) el);
                }
                if (el instanceof CacheEntryRemovedListener) {
                    _syncRemovedListeners.add((CacheEntryRemovedListener) el);
                }
                if (el instanceof CacheEntryExpiredListener) {
                    _expiredListeners.add((CacheEntryExpiredListener) el);
                }
            }
        }
        if (config.hasAsyncListeners() || !_expiredListeners.isEmpty()) {
            Executor _executor = DEFAULT_ASYNC_EXECUTOR;
            if (config.getAsyncListenerExecutor() != null) {
                _executor = _cache.createCustomization(config.getAsyncListenerExecutor());
            }
            AsyncDispatcher<K> _asyncDispatcher = new AsyncDispatcher<K>(wc, _executor);
            List<CacheEntryCreatedListener<K, V>> cll = new ArrayList<CacheEntryCreatedListener<K, V>>();
            List<CacheEntryUpdatedListener<K, V>> ull = new ArrayList<CacheEntryUpdatedListener<K, V>>();
            List<CacheEntryRemovedListener<K, V>> rll = new ArrayList<CacheEntryRemovedListener<K, V>>();
            List<CacheEntryExpiredListener<K, V>> ell = new ArrayList<CacheEntryExpiredListener<K, V>>();
            for (CustomizationSupplier<CacheEntryOperationListener<K, V>> f : config.getAsyncListeners()) {
                CacheEntryOperationListener<K, V> el = (CacheEntryOperationListener<K, V>) bc.createCustomization(f);
                if (el instanceof CacheEntryCreatedListener) {
                    cll.add((CacheEntryCreatedListener) el);
                }
                if (el instanceof CacheEntryUpdatedListener) {
                    ull.add((CacheEntryUpdatedListener) el);
                }
                if (el instanceof CacheEntryRemovedListener) {
                    rll.add((CacheEntryRemovedListener) el);
                }
                if (el instanceof CacheEntryExpiredListener) {
                    ell.add((CacheEntryExpiredListener) el);
                }
            }
            for (CacheEntryCreatedListener l : cll) {
                _syncCreatedListeners.add(new AsyncCreatedListener<K, V>(_asyncDispatcher, l));
            }
            for (CacheEntryUpdatedListener l : ull) {
                _syncUpdatedListeners.add(new AsyncUpdatedListener<K, V>(_asyncDispatcher, l));
            }
            for (CacheEntryRemovedListener l : rll) {
                _syncRemovedListeners.add(new AsyncRemovedListener<K, V>(_asyncDispatcher, l));
            }
            for (CacheEntryExpiredListener l : ell) {
                _syncExpiredListeners.add(new AsyncExpiredListener<K, V>(_asyncDispatcher, l));
            }
            for (CacheEntryExpiredListener l : _expiredListeners) {
                _syncExpiredListeners.add(new AsyncExpiredListener<K, V>(_asyncDispatcher, l));
            }
        }
        if (!_syncCreatedListeners.isEmpty()) {
            wc.syncEntryCreatedListeners = _syncCreatedListeners.toArray(new CacheEntryCreatedListener[_syncCreatedListeners.size()]);
        }
        if (!_syncUpdatedListeners.isEmpty()) {
            wc.syncEntryUpdatedListeners = _syncUpdatedListeners.toArray(new CacheEntryUpdatedListener[_syncUpdatedListeners.size()]);
        }
        if (!_syncRemovedListeners.isEmpty()) {
            wc.syncEntryRemovedListeners = _syncRemovedListeners.toArray(new CacheEntryRemovedListener[_syncRemovedListeners.size()]);
        }
        if (!_syncExpiredListeners.isEmpty()) {
            wc.syncEntryExpiredListeners = _syncExpiredListeners.toArray(new CacheEntryExpiredListener[_syncExpiredListeners.size()]);
        }
        bc.eviction = constructEviction(bc, wc, config);
        TimingHandler rh = TimingHandler.of(_timeReference, config);
        bc.setTiming(rh);
        wc.init();
    } else {
        TimingHandler rh = TimingHandler.of(_timeReference, config);
        bc.setTiming(rh);
        bc.eviction = constructEviction(bc, HeapCacheListener.NO_OPERATION, config);
        bc.init();
    }
    manager.sendCreatedEvent(_cache);
    return _cache;
}

Example 3 with CacheEntryCreatedListener

use of org.cache2k.event.CacheEntryCreatedListener in project cache2k by cache2k.

the class EntryAction method callListeners.

public void callListeners() {
    if (!mightHaveListeners()) {
        mutationReleaseLockAndStartTimer();
        return;
    }
    CacheEntry<K, V> _currentEntry = heapCache.returnEntry(entry);
    if (expiredImmediately) {
        if (storageDataValid || heapDataValid) {
            if (entryExpiredListeners() != null) {
                for (CacheEntryExpiredListener l : entryExpiredListeners()) {
                    try {
                        l.onEntryExpired(userCache, _currentEntry);
                    } catch (Throwable t) {
                        exceptionToPropagate = new ListenerException(t);
                    }
                }
            }
        }
    } else if (remove) {
        if (storageDataValid || heapDataValid) {
            if (entryRemovedListeners() != null) {
                for (CacheEntryRemovedListener l : entryRemovedListeners()) {
                    try {
                        l.onEntryRemoved(userCache, _currentEntry);
                    } catch (Throwable t) {
                        exceptionToPropagate = new ListenerException(t);
                    }
                }
            }
        }
    } else {
        if (storageDataValid || heapDataValid) {
            if (entryUpdatedListeners() != null) {
                CacheEntry<K, V> _previousEntry = heapCache.returnCacheEntry(entry.getKey(), oldValueOrException, previousModificationTime);
                for (CacheEntryUpdatedListener l : entryUpdatedListeners()) {
                    try {
                        l.onEntryUpdated(userCache, _previousEntry, _currentEntry);
                    } catch (Throwable t) {
                        exceptionToPropagate = new ListenerException(t);
                    }
                }
            }
        } else {
            if (entryCreatedListeners() != null) {
                for (CacheEntryCreatedListener l : entryCreatedListeners()) {
                    try {
                        l.onEntryCreated(userCache, _currentEntry);
                    } catch (Throwable t) {
                        exceptionToPropagate = new ListenerException(t);
                    }
                }
            }
        }
    }
    mutationReleaseLockAndStartTimer();
}

Example 4 with CacheEntryCreatedListener

use of org.cache2k.event.CacheEntryCreatedListener in project cache2k by cache2k.

the class OsgiIT method testEventPackage.

/**
 * Simple test to see whether event package is exported.
 */
@Test
public void testEventPackage() {
    CacheManager m = CacheManager.getInstance("testEventPackage");
    final AtomicInteger _count = new AtomicInteger();
    Cache<String, String> c = new Cache2kBuilder<String, String>() {
    }.manager(m).eternal(true).addListener(new CacheEntryCreatedListener<String, String>() {

        @Override
        public void onEntryCreated(final Cache<String, String> cache, final CacheEntry<String, String> entry) {
            _count.incrementAndGet();
        }
    }).build();
    c.put("abc", "123");
    assertTrue(c.containsKey("abc"));
    assertEquals("123", c.peek("abc"));
    assertEquals(1, _count.get());
    c.close();
}

Example 5 with CacheEntryCreatedListener

use of org.cache2k.event.CacheEntryCreatedListener in project cache2k by cache2k.

the class ListenerTest method asyncCreatedListenerCalled.

/**
 * If the listener is not executed in separate thread, this would block
 */
@Test(timeout = TestingParameters.MAX_FINISH_WAIT_MILLIS)
public void asyncCreatedListenerCalled() {
    final AtomicInteger _callCount = new AtomicInteger();
    final CountDownLatch _fire = new CountDownLatch(1);
    Cache<Integer, Integer> c = target.cache(new CacheRule.Specialization<Integer, Integer>() {

        @Override
        public void extend(final Cache2kBuilder<Integer, Integer> b) {
            b.addAsyncListener(new CacheEntryCreatedListener<Integer, Integer>() {

                @Override
                public void onEntryCreated(final Cache<Integer, Integer> c, final CacheEntry<Integer, Integer> e) {
                    try {
                        _fire.await();
                    } catch (InterruptedException ignore) {
                    }
                    _callCount.incrementAndGet();
                }
            });
        }
    });
    c.put(1, 2);
    assertEquals(0, _callCount.get());
    _fire.countDown();
    ConcurrencyHelper.await(new Condition() {

        @Override
        public boolean check() throws Exception {
            return _callCount.get() == 1;
        }
    });
}