Examples with MockStreamsMetrics org.apache.kafka.streams.processor.internals.MockStreamsMetrics used on opensource projects

Example 21 with MockStreamsMetrics

use of org.apache.kafka.streams.processor.internals.MockStreamsMetrics in project kafka by apache.

the class ThreadCacheTest method shouldSkipEntriesWhereValueHasBeenEvictedFromCache.

@Test
public void shouldSkipEntriesWhereValueHasBeenEvictedFromCache() throws Exception {
    final String namespace = "streams";
    final int entrySize = memoryCacheEntrySize(new byte[1], new byte[1], "");
    final ThreadCache cache = new ThreadCache("testCache", entrySize * 5, new MockStreamsMetrics(new Metrics()));
    cache.addDirtyEntryFlushListener(namespace, new ThreadCache.DirtyEntryFlushListener() {

        @Override
        public void apply(final List<ThreadCache.DirtyEntry> dirty) {
        }
    });
    byte[][] bytes = { { 0 }, { 1 }, { 2 }, { 3 }, { 4 }, { 5 }, { 6 }, { 7 }, { 8 }, { 9 } };
    for (int i = 0; i < 5; i++) {
        cache.put(namespace, Bytes.wrap(bytes[i]), dirtyEntry(bytes[i]));
    }
    assertEquals(5, cache.size());
    final ThreadCache.MemoryLRUCacheBytesIterator range = cache.range(namespace, Bytes.wrap(new byte[] { 0 }), Bytes.wrap(new byte[] { 5 }));
    // should evict byte[] {0}
    cache.put(namespace, Bytes.wrap(new byte[] { 6 }), dirtyEntry(new byte[] { 6 }));
    assertEquals(Bytes.wrap(new byte[] { 1 }), range.peekNextKey());
}

Example 22 with MockStreamsMetrics

use of org.apache.kafka.streams.processor.internals.MockStreamsMetrics in project kafka by apache.

the class NamedCacheTest method setUp.

@Before
public void setUp() throws Exception {
    streamMetrics = new MockStreamsMetrics(new Metrics());
    cache = new NamedCache("name", streamMetrics);
}

Example 23 with MockStreamsMetrics

use of org.apache.kafka.streams.processor.internals.MockStreamsMetrics in project kafka by apache.

the class MergedSortedCacheKeyValueStoreIteratorTest method setUp.

@Before
public void setUp() throws Exception {
    store = new InMemoryKeyValueStore<>(namespace, Serdes.Bytes(), Serdes.ByteArray());
    cache = new ThreadCache("testCache", 10000L, new MockStreamsMetrics(new Metrics()));
}

Example 24 with MockStreamsMetrics

use of org.apache.kafka.streams.processor.internals.MockStreamsMetrics in project kafka by apache.

the class MergedSortedCacheKeyValueStoreIteratorTest method shouldPeekNextKey.

@Test
public void shouldPeekNextKey() throws Exception {
    final KeyValueStore<Bytes, byte[]> kv = new InMemoryKeyValueStore<>("one", Serdes.Bytes(), Serdes.ByteArray());
    final ThreadCache cache = new ThreadCache("testCache", 1000000L, new MockStreamsMetrics(new Metrics()));
    byte[][] bytes = { { 0 }, { 1 }, { 2 }, { 3 }, { 4 }, { 5 }, { 6 }, { 7 }, { 8 }, { 9 }, { 10 } };
    final String namespace = "one";
    for (int i = 0; i < bytes.length - 1; i += 2) {
        kv.put(Bytes.wrap(bytes[i]), bytes[i]);
        cache.put(namespace, Bytes.wrap(bytes[i + 1]), new LRUCacheEntry(bytes[i + 1]));
    }
    final Bytes from = Bytes.wrap(new byte[] { 2 });
    final Bytes to = Bytes.wrap(new byte[] { 9 });
    final KeyValueIterator<Bytes, byte[]> storeIterator = kv.range(from, to);
    final ThreadCache.MemoryLRUCacheBytesIterator cacheIterator = cache.range(namespace, from, to);
    final MergedSortedCacheKeyValueStoreIterator<byte[], byte[]> iterator = new MergedSortedCacheKeyValueStoreIterator<>(cacheIterator, storeIterator, serdes);
    final byte[][] values = new byte[8][];
    int index = 0;
    int bytesIndex = 2;
    while (iterator.hasNext()) {
        final byte[] keys = iterator.peekNextKey();
        values[index++] = keys;
        assertArrayEquals(bytes[bytesIndex++], keys);
        iterator.next();
    }
}

Example 25 with MockStreamsMetrics

use of org.apache.kafka.streams.processor.internals.MockStreamsMetrics in project kafka by apache.

the class RocksDBSessionStoreTest method before.

@Before
public void before() {
    final RocksDBSegmentedBytesStore bytesStore = new RocksDBSegmentedBytesStore("session-store", 10000L, 3, new SessionKeySchema());
    sessionStore = new RocksDBSessionStore<>(bytesStore, Serdes.String(), Serdes.Long());
    final MockProcessorContext context = new MockProcessorContext(TestUtils.tempDirectory(), Serdes.String(), Serdes.Long(), new NoOpRecordCollector(), new ThreadCache("testCache", 0, new MockStreamsMetrics(new Metrics())));
    sessionStore.init(context, sessionStore);
}