Examples with IntSupplier java.util.function.IntSupplier used on opensource projects

Example 1 with IntSupplier

use of java.util.function.IntSupplier in project geode by apache.

the class StatisticsImplTest method invokeSuppliersShouldLogErrorOnlyOnce.

@Test
public void invokeSuppliersShouldLogErrorOnlyOnce() {
    final Logger originalLogger = StatisticsImpl.logger;
    try {
        final Logger logger = mock(Logger.class);
        StatisticsImpl.logger = logger;
        IntSupplier supplier1 = mock(IntSupplier.class);
        when(supplier1.getAsInt()).thenThrow(NullPointerException.class);
        stats.setIntSupplier(4, supplier1);
        assertEquals(1, stats.invokeSuppliers());
        verify(logger, times(1)).warn(anyString(), anyString(), anyInt(), isA(NullPointerException.class));
        assertEquals(1, stats.invokeSuppliers());
        // Make sure the logger isn't invoked again
        verify(logger, times(1)).warn(anyString(), anyString(), anyInt(), isA(NullPointerException.class));
    } finally {
        StatisticsImpl.logger = originalLogger;
    }
}

Example 2 with IntSupplier

use of java.util.function.IntSupplier in project geode by apache.

the class StatisticsImplTest method badSupplierParamShouldThrowError.

@Test
public void badSupplierParamShouldThrowError() {
    IntSupplier supplier1 = mock(IntSupplier.class);
    when(supplier1.getAsInt()).thenReturn(23);
    thrown.expect(IllegalArgumentException.class);
    stats.setIntSupplier(23, supplier1);
}

Example 3 with IntSupplier

use of java.util.function.IntSupplier in project intellij-community by JetBrains.

the class Foo method m.

void m() {
    Runnable r = Collections::emptyList;
    Runnable r2 = () -> {
        IntSupplier s = () -> 1;
        Runnable r3 = () -> {
        };
    };
    IntSupplier s2 = () -> 1;
}

Example 4 with IntSupplier

use of java.util.function.IntSupplier in project intellij-community by JetBrains.

the class Foo method m2.

void m2() {
    Runnable r = () -> {
        Runnable r3 = () -> {
            IntSupplier s2 = () -> 1;
            Runnable r4 = () -> {
            };
        };
        IntSupplier s = () -> 1;
    };
}

Example 5 with IntSupplier

use of java.util.function.IntSupplier in project aeron by real-logic.

the class SendSelectReceiveUdpPing method run.

private void run() throws IOException {
    final Histogram histogram = new Histogram(TimeUnit.SECONDS.toNanos(10), 3);
    final ByteBuffer buffer = ByteBuffer.allocateDirect(Configuration.MTU_LENGTH_DEFAULT);
    final DatagramChannel receiveChannel = DatagramChannel.open();
    Common.init(receiveChannel);
    receiveChannel.bind(new InetSocketAddress("localhost", Common.PONG_PORT));
    final DatagramChannel sendChannel = DatagramChannel.open();
    Common.init(sendChannel);
    final Selector selector = Selector.open();
    final IntSupplier handler = () -> {
        try {
            buffer.clear();
            receiveChannel.receive(buffer);
            final long receivedSequenceNumber = buffer.getLong(0);
            final long timestamp = buffer.getLong(SIZE_OF_LONG);
            if (receivedSequenceNumber != sequenceNumber) {
                throw new IllegalStateException("Data Loss:" + sequenceNumber + " to " + receivedSequenceNumber);
            }
            final long duration = System.nanoTime() - timestamp;
            histogram.recordValue(duration);
        } catch (final IOException ex) {
            ex.printStackTrace();
        }
        return 1;
    };
    receiveChannel.register(selector, OP_READ, handler);
    final AtomicBoolean running = new AtomicBoolean(true);
    SigInt.register(() -> running.set(false));
    while (running.get()) {
        measureRoundTrip(histogram, SEND_ADDRESS, buffer, sendChannel, selector, running);
        histogram.reset();
        System.gc();
        LockSupport.parkNanos(1000 * 1000 * 1000);
    }
}