Examples with ICache com.hazelcast.cache.ICache used on opensource projects

Example 6 with ICache

use of com.hazelcast.cache.ICache in project hazelcast by hazelcast.

the class SourcesTest method remoteCacheWithUnknownValueClass.

@Test
public void remoteCacheWithUnknownValueClass() throws Exception {
    // Given
    URL jarResource = Thread.currentThread().getContextClassLoader().getResource("deployment/sample-pojo-1.0-car.jar");
    assertNotNull("jar not found", jarResource);
    ClassLoader cl = new URLClassLoader(new URL[] { jarResource });
    Class<?> personClz = cl.loadClass("com.sample.pojo.car.Car");
    Object person = personClz.getConstructor(String.class, String.class).newInstance("make", "model");
    ICache<String, Object> cache = remoteHz.getCacheManager().getCache(srcName);
    // the class of the value is unknown to the remote IMDG member, it will be only known to Jet
    cache.put("key", person);
    // When
    BatchSource<Entry<String, Object>> source = Sources.remoteCache(srcName, clientConfig);
    // Then
    p.readFrom(source).map(en -> en.getValue().toString()).writeTo(sink);
    JobConfig jobConfig = new JobConfig();
    jobConfig.addJar(jarResource);
    hz().getJet().newJob(p, jobConfig).join();
    List<Object> expected = singletonList(person.toString());
    List<Object> actual = new ArrayList<>(sinkList);
    assertEquals(expected, actual);
}

Example 7 with ICache

use of com.hazelcast.cache.ICache in project hazelcast by hazelcast.

the class Sources_withEventJournalTest method remoteCacheJournal_withUnknownValueClass.

@Test
public void remoteCacheJournal_withUnknownValueClass() throws Exception {
    // Given
    URL jarResource = Thread.currentThread().getContextClassLoader().getResource("deployment/sample-pojo-1.0-car.jar");
    assertNotNull("jar not found", jarResource);
    ClassLoader cl = new URLClassLoader(new URL[] { jarResource });
    Class<?> carClz = cl.loadClass("com.sample.pojo.car.Car");
    Object car = carClz.getConstructor(String.class, String.class).newInstance("make", "model");
    String cacheName = JOURNALED_CACHE_PREFIX + randomName();
    ICache<String, Object> cache = remoteHz.getCacheManager().getCache(cacheName);
    // the class of the value is unknown to the remote IMDG member, it will be only known to Jet
    cache.put("key", car);
    // When
    StreamSource<Entry<Object, Object>> source = Sources.remoteCacheJournal(cacheName, clientConfig, START_FROM_OLDEST);
    // Then
    p.readFrom(source).withoutTimestamps().map(en -> en.getValue().toString()).writeTo(sink);
    JobConfig jobConfig = new JobConfig();
    jobConfig.addJar(jarResource);
    Job job = hz().getJet().newJob(p, jobConfig);
    List<Object> expected = singletonList(car.toString());
    assertTrueEventually(() -> assertEquals(expected, new ArrayList<>(sinkList)), 10);
    job.cancel();
}

Example 8 with ICache

use of com.hazelcast.cache.ICache in project hazelcast by hazelcast.

the class HazelcastConnectorTest method when_streamCache_withFilterAndProjection.

@Test
public void when_streamCache_withFilterAndProjection() {
    DAG dag = new DAG();
    Vertex source = dag.newVertex("source", SourceProcessors.<Integer, Integer, Integer>streamCacheP(streamSourceName, event -> !event.getKey().equals(0), EventJournalCacheEvent::getKey, START_FROM_OLDEST, eventTimePolicy(i -> i, limitingLag(0), 1, 0, 10_000)));
    Vertex sink = dag.newVertex("sink", writeListP(streamSinkName));
    dag.edge(between(source, sink));
    Job job = instance().getJet().newJob(dag);
    ICache<Integer, Integer> sourceCache = instance().getCacheManager().getCache(streamSourceName);
    range(0, ENTRY_COUNT).forEach(i -> sourceCache.put(i, i));
    assertSizeEventually(ENTRY_COUNT - 1, instance().getList(streamSinkName));
    assertFalse(instance().getList(streamSinkName).contains(0));
    assertTrue(instance().getList(streamSinkName).contains(1));
    job.cancel();
}

Example 9 with ICache

use of com.hazelcast.cache.ICache in project hazelcast by hazelcast.

the class CacheExpirationManagerTest method expiration_task_starts_on_new_node_after_migration_when_there_is_expirable_entry.

@Test
public void expiration_task_starts_on_new_node_after_migration_when_there_is_expirable_entry() {
    Config config = getConfig();
    config.setProperty(taskPeriodSecondsPropName(), "1");
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory();
    final HazelcastInstance node1 = factory.newHazelcastInstance(config);
    CacheManager cacheManager = createCacheManager(node1);
    Cache cache = cacheManager.createCache("test", new CacheConfig());
    ((ICache) cache).put(1, 1, new HazelcastExpiryPolicy(ONE_HOUR, ONE_HOUR, ONE_HOUR));
    final HazelcastInstance node2 = factory.newHazelcastInstance(config);
    node1.shutdown();
    assertTrueEventually(new AssertTask() {

        @Override
        public void run() {
            assertTrue("There should be one ClearExpiredRecordsTask started", hasClearExpiredRecordsTaskStarted(node2));
        }
    });
}

Example 10 with ICache

use of com.hazelcast.cache.ICache in project hazelcast by hazelcast.

the class TimedMemberStateTest method testOnlyCachesWithStatsEnabled_areReportedInTimedMemberState.

@Test
public void testOnlyCachesWithStatsEnabled_areReportedInTimedMemberState() {
    // create 100 caches with stats enabled
    for (int i = 0; i < 100; i++) {
        hz.getCacheManager().getCache(CACHE_WITH_STATS_PREFIX + i);
    }
    // create 50 caches with stats disabled
    for (int i = 0; i < 50; i++) {
        ICache cacheWithoutStats = hz.getCacheManager().getCache(CACHE_WITHOUT_STATS_PREFIX + i);
        // explicitly request local stats -> this registers an empty stats object in CacheService
        cacheWithoutStats.getLocalCacheStatistics();
    }
    MemberStateImpl memberState = createState().getMemberState();
    for (int i = 0; i < 100; i++) {
        assertContains(memberState.getCachesWithStats(), getDistributedObjectName(CACHE_WITH_STATS_PREFIX + i));
        assertNotContains(memberState.getCachesWithStats(), getDistributedObjectName(CACHE_WITHOUT_STATS_PREFIX + i));
    }
}