Examples with RingbufferConfig com.hazelcast.config.RingbufferConfig used on opensource projects

Example 81 with RingbufferConfig

use of com.hazelcast.config.RingbufferConfig in project hazelcast by hazelcast.

the class RingbufferContainerTest method size_whenEmpty.

// ======================= size =======================
@Test
public void size_whenEmpty() {
    RingbufferConfig config = new RingbufferConfig("foo").setCapacity(100);
    RingbufferContainer ringbuffer = getRingbufferContainer(config);
    assertEquals(0, ringbuffer.size());
    assertTrue(ringbuffer.isEmpty());
}

Example 82 with RingbufferConfig

use of com.hazelcast.config.RingbufferConfig in project hazelcast by hazelcast.

the class RingbufferContainerTest method size_whenAddingManyItems.

@Test
public void size_whenAddingManyItems() {
    RingbufferConfig config = new RingbufferConfig("foo").setCapacity(100);
    RingbufferContainer<Data, Data> ringbuffer = getRingbufferContainer(config);
    for (int k = 0; k < config.getCapacity(); k++) {
        ringbuffer.add(toData(""));
        assertEquals(k + 1, ringbuffer.size());
    }
    assertFalse(ringbuffer.isEmpty());
    // and therefor the size remains the same
    for (int k = 0; k < config.getCapacity(); k++) {
        ringbuffer.add(toData(""));
        assertEquals(config.getCapacity(), ringbuffer.size());
    }
}

Example 83 with RingbufferConfig

use of com.hazelcast.config.RingbufferConfig in project hazelcast by hazelcast.

the class RingbufferContainerTest method add_whenWrapped.

@Test
public void add_whenWrapped() {
    RingbufferConfig config = new RingbufferConfig("foo").setInMemoryFormat(InMemoryFormat.OBJECT).setCapacity(3);
    RingbufferContainer<Data, String> ringbuffer = getRingbufferContainer(config);
    ringbuffer.add(toData("1"));
    assertEquals(0, ringbuffer.headSequence());
    assertEquals(0, ringbuffer.tailSequence());
    assertEquals(toData("1"), ringbuffer.readAsData(0));
    ringbuffer.add(toData("2"));
    assertEquals(1, ringbuffer.tailSequence());
    assertEquals(0, ringbuffer.headSequence());
    assertEquals(toData("1"), ringbuffer.readAsData(0));
    assertEquals(toData("2"), ringbuffer.readAsData(1));
    ringbuffer.add(toData("3"));
    assertEquals(2, ringbuffer.tailSequence());
    assertEquals(0, ringbuffer.headSequence());
    assertEquals(toData("1"), ringbuffer.readAsData(0));
    assertEquals(toData("2"), ringbuffer.readAsData(1));
    assertEquals(toData("3"), ringbuffer.readAsData(2));
    ringbuffer.add(toData("4"));
    assertEquals(3, ringbuffer.tailSequence());
    assertEquals(1, ringbuffer.headSequence());
    assertEquals(toData("2"), ringbuffer.readAsData(1));
    assertEquals(toData("3"), ringbuffer.readAsData(2));
    assertEquals(toData("4"), ringbuffer.readAsData(3));
    ringbuffer.add(toData("5"));
    assertEquals(4, ringbuffer.tailSequence());
    assertEquals(2, ringbuffer.headSequence());
    assertEquals(toData("3"), ringbuffer.readAsData(2));
    assertEquals(toData("4"), ringbuffer.readAsData(3));
    assertEquals(toData("5"), ringbuffer.readAsData(4));
}

Example 84 with RingbufferConfig

use of com.hazelcast.config.RingbufferConfig in project hazelcast by hazelcast.

the class RingbufferContainerTest method remainingCapacity_whenTTLDisabled.

@Test
public void remainingCapacity_whenTTLDisabled() {
    RingbufferConfig config = new RingbufferConfig("foo").setCapacity(100).setTimeToLiveSeconds(0);
    RingbufferContainer<Data, Data> ringbuffer = getRingbufferContainer(config);
    assertEquals(config.getCapacity(), ringbuffer.remainingCapacity());
    ringbuffer.add(toData("1"));
    ringbuffer.add(toData("2"));
    assertEquals(config.getCapacity(), ringbuffer.remainingCapacity());
}

Example 85 with RingbufferConfig

use of com.hazelcast.config.RingbufferConfig in project hazelcast by hazelcast.

the class RingbufferAbstractTest method addAsync_whenOverwrite.

private void addAsync_whenOverwrite() throws InterruptedException, ExecutionException {
    RingbufferConfig c = config.getRingbufferConfig(ringbuffer.getName());
    // fill the buffer with data
    for (int k = 0; k < ringbuffer.capacity(); k++) {
        ringbuffer.add("old");
    }
    for (int iteration = 0; iteration < c.getCapacity() * 100; iteration++) {
        long oldTail = ringbuffer.tailSequence();
        String item = "" + iteration;
        long sequence = ringbuffer.addAsync(item, OVERWRITE).toCompletableFuture().get();
        long expectedSequence = oldTail + 1;
        assertEquals(expectedSequence, sequence);
        assertEquals(expectedSequence, ringbuffer.tailSequence());
        if (ringbuffer.tailSequence() < c.getCapacity()) {
            assertEquals(0, ringbuffer.headSequence());
        } else {
            assertEquals(ringbuffer.tailSequence() - c.getCapacity() + 1, ringbuffer.headSequence());
        }
        assertEquals(item, ringbuffer.readOne(expectedSequence));
    }
}