Examples with Cache org.cache2k.Cache used on opensource projects

Example 31 with Cache

use of org.cache2k.Cache in project cache2k by cache2k.

the class JmxSupportTest method multipleWarnings.

/**
 * Construct three caches with multiple issues and check the health string of the manager JMX.
 */
@Test
public void multipleWarnings() throws Exception {
    final String _MANAGER_NAME = getClass().getName() + ".multipleWarnings";
    final String _CACHE_NAME_BAD_HASHING = "cacheWithBadHashing";
    final String _CACHE_NAME_KEY_MUTATION = "cacheWithKeyMutation";
    final String _CACHE_NAME_MULTIPLE_ISSUES = "cacheWithMultipleIssues";
    final String _SUPPRESS1 = "org.cache2k.Cache/" + _MANAGER_NAME + ":" + _CACHE_NAME_KEY_MUTATION;
    final String _SUPPRESS2 = "org.cache2k.Cache/" + _MANAGER_NAME + ":" + _CACHE_NAME_MULTIPLE_ISSUES;
    Log.registerSuppression(_SUPPRESS1, new Log.SuppressionCounter());
    Log.registerSuppression(_SUPPRESS2, new Log.SuppressionCounter());
    CacheManager m = CacheManager.getInstance(_MANAGER_NAME);
    Cache _cacheWithBadHashing = Cache2kBuilder.of(Object.class, Object.class).manager(m).name(_CACHE_NAME_BAD_HASHING).eternal(true).build();
    Cache _cacheWithKeyMutation = Cache2kBuilder.of(Object.class, Object.class).manager(m).name(_CACHE_NAME_KEY_MUTATION).eternal(true).entryCapacity(50).build();
    Cache _cacheWithMultipleIssues = Cache2kBuilder.of(Object.class, Object.class).manager(m).name(_CACHE_NAME_MULTIPLE_ISSUES).entryCapacity(50).eternal(true).build();
    for (int i = 0; i < 9; i++) {
        _cacheWithBadHashing.put(new KeyForMutation(), 1);
    }
    for (int i = 0; i < 100; i++) {
        _cacheWithMultipleIssues.put(new KeyForMutation(), 1);
    }
    for (int i = 0; i < 100; i++) {
        KeyForMutation v = new KeyForMutation();
        _cacheWithKeyMutation.put(v, 1);
        _cacheWithMultipleIssues.put(v, 1);
        v.value = 1;
    }
    String _health = (String) server.getAttribute(getCacheManagerObjectName(_MANAGER_NAME), "HealthStatus");
    assertEquals("FAILURE: [cacheWithKeyMutation] hash quality is 0 (threshold: 5); " + "FAILURE: [cacheWithMultipleIssues] hash quality is 0 (threshold: 5); " + "WARNING: [cacheWithBadHashing] hash quality is 7 (threshold: 20); " + "WARNING: [cacheWithKeyMutation] key mutation detected; " + "WARNING: [cacheWithMultipleIssues] key mutation detected", _health);
    Log.deregisterSuppression(_SUPPRESS1);
    Log.deregisterSuppression(_SUPPRESS2);
    m.close();
}

Example 32 with Cache

use of org.cache2k.Cache in project cache2k by cache2k.

the class JmxSupportTest method testDisabled.

@Test
public void testDisabled() throws Exception {
    String _name = getClass().getName() + ".testInitialProperties";
    Cache c = new Cache2kBuilder<Long, List<Collection<Long>>>() {
    }.name(_name).disableStatistics(true).eternal(true).build();
    objectName = constructCacheObjectName(_name);
    try {
        retrieve("Alert");
        fail("exception expected");
    } catch (InstanceNotFoundException ex) {
    }
    c.close();
}

Example 33 with Cache

use of org.cache2k.Cache in project cache2k by cache2k.

the class JmxSupportTest method testInitialProperties.

@Test
public void testInitialProperties() throws Exception {
    Date _beforeCreateion = new Date();
    String _name = getClass().getName() + ".testInitialProperties";
    Cache c = new Cache2kBuilder<Long, List<Collection<Long>>>() {
    }.name(_name).eternal(true).build();
    objectName = constructCacheObjectName(_name);
    checkAttribute("KeyType", "Long");
    checkAttribute("ValueType", "java.util.List<java.util.Collection<Long>>");
    checkAttribute("Size", 0L);
    checkAttribute("EntryCapacity", 1234L);
    checkAttribute("InsertCount", 0L);
    checkAttribute("MissCount", 0L);
    checkAttribute("RefreshCount", 0L);
    checkAttribute("RefreshFailedCount", 0L);
    checkAttribute("RefreshedHitCount", 0L);
    checkAttribute("ExpiredCount", 0L);
    checkAttribute("EvictedCount", 0L);
    checkAttribute("PutCount", 0L);
    checkAttribute("RemoveCount", 0L);
    checkAttribute("ClearedEntriesCount", 0L);
    checkAttribute("ClearCount", 0L);
    checkAttribute("KeyMutationCount", 0L);
    checkAttribute("LoadExceptionCount", 0L);
    checkAttribute("SuppressedLoadExceptionCount", 0L);
    checkAttribute("HitRate", 0.0);
    checkAttribute("HashQuality", 100);
    checkAttribute("MillisPerLoad", 0.0);
    checkAttribute("TotalLoadMillis", 0L);
    checkAttribute("Implementation", "HeapCache");
    checkAttribute("ClearedTime", null);
    checkAttribute("Alert", 0);
    assertTrue("reasonable CreatedTime", ((Date) retrieve("CreatedTime")).compareTo(_beforeCreateion) >= 0);
    assertTrue("reasonable InfoCreatedTime", ((Date) retrieve("InfoCreatedTime")).compareTo(_beforeCreateion) >= 0);
    assertTrue("reasonable InfoCreatedDeltaMillis", ((Integer) retrieve("InfoCreatedDeltaMillis")) >= 0);
    assertTrue("reasonable EvictionStatistics", retrieve("EvictionStatistics").toString().contains("impl="));
    assertTrue("reasonable IntegrityDescriptor", retrieve("IntegrityDescriptor").toString().startsWith("0."));
    c.close();
}

Example 34 with Cache

use of org.cache2k.Cache in project cache2k by cache2k.

the class BasicCacheOperationsTest method peekAndRemove_Exception.

@Test
public void peekAndRemove_Exception() {
    ((Cache) cache).put(KEY, new ExceptionWrapper(OUCH));
    try {
        cache.peekAndRemove(KEY);
        fail("exception expected");
    } catch (CacheLoaderException ex) {
    }
}

Example 35 with Cache

use of org.cache2k.Cache in project cache2k by cache2k.

the class BasicCacheOperationsTest method getEntryState_Exception.

@Test
public void getEntryState_Exception() {
    if (!(cache instanceof InternalCache)) {
        return;
    }
    ((Cache) cache).put(KEY, new ExceptionWrapper(OUCH));
    InternalCache c = (InternalCache) cache;
    String s = c.getEntryState(KEY);
    assertTrue(s.contains("exception="));
}