Example usage for java.util.function Supplier Supplier

Introduction

In this page you can find the example usage for java.util.function Supplier Supplier.

Prototype

Supplier

Source Link

Usage

From source file:edu.cudenver.bios.matrix.MatrixUtilities.java

/**
 * Given a label and a matrix, return a supplier of a
 * log message for that label and matrix.
 *
 * @param label The label./*from  ww  w.j a  va2s  . c om*/
 * @param rm    The matrix.
 *
 * @return The supplier.
 */
public static Supplier<Object> logMessageSupplier(final String label, final RealMatrix rm) {
    return new Supplier<Object>() {
        @Override
        public Object get() {
            return logMessage(label, rm);
        }
    };
}

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From source file:com.heliosapm.streams.collector.ds.pool.PooledObjectFactoryBuilder.java

/**
 * Provides the supplier that will create pooled objects
 * @return the supplier// ww w .ja va2s .  c  o m
 */
default public Supplier<T> supplier() {
    return new Supplier<T>() {
        @Override
        public T get() {
            return create();
        }
    };
}

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From source file:io.termd.core.telnet.TelnetHandlerTest.java

@Test
public void testRejectNAWS() throws Exception {
    final AtomicReference<Boolean> serverValue = new AtomicReference<>();
    WindowSizeOptionHandler optionHandler = new WindowSizeOptionHandler(20, 10, false, false, false, false);
    testOptionValue(new Supplier<TelnetHandler>() {
        @Override//  w ww  . j  a v  a2s  .co m
        public TelnetHandler get() {
            return new TelnetHandler() {
                @Override
                protected void onOpen(TelnetConnection conn) {
                    conn.writeDoOption(Option.NAWS);
                }

                @Override
                protected void onNAWS(boolean naws) {
                    serverValue.set(naws);
                    testComplete();
                }

                @Override
                protected void onSize(int width, int height) {
                    super.onSize(width, height);
                }
            };
        }
    }, optionHandler);
    assertEquals(false, serverValue.get());
    assertEquals(false, optionHandler.getAcceptLocal());
}

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From source file:com.qwazr.webapps.transaction.ControllerManager.java

private void handleJavaClass(WebappTransaction transaction, String className) throws IOException,
        InterruptedException, ScriptException, ReflectiveOperationException, ServletException {
    final Class<? extends HttpServlet> servletClass = ClassLoaderUtils.findClass(ClassLoaderManager.classLoader,
            className);//  ww w  .j  a  v a  2s . co m
    Objects.requireNonNull(servletClass, "Class not found: " + className);
    final ServletInfo servletInfo = new ServletInfo(className, servletClass);
    servletInfo.getInstanceFactory().createInstance();
    HttpServlet servlet = servletMap.getOrCreate(servletClass, new Supplier() {
        @Override
        public HttpServlet get() {
            try {
                HttpServlet servlet = servletClass.newInstance();
                WebServlet webServlet = AnnotationsUtils.getFirstAnnotation(servletClass, WebServlet.class);
                servlet.init(new ServletConfigImpl(servletInfo, transaction.getRequest().getServletContext()));
                LibraryManager.inject(servlet);
                return servlet;
            } catch (InstantiationException | IllegalAccessException | ServletException e) {
                throw new RuntimeException(e);
            }
        }
    });
    servlet.service(transaction.getRequest(), transaction.getResponse());
}

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From source file:com.epam.ta.reportportal.core.launch.impl.FinishLaunchHandler.java

private void validate(final String launchId, Launch launch, FinishExecutionRQ finishExecutionRQ) {
    expect(launch, notNull()).verify(LAUNCH_NOT_FOUND, launchId);

    expect(launch, not(Preconditions.LAUNCH_FINISHED)).verify(FINISH_LAUNCH_NOT_ALLOWED, formattedSupplier(
            "Launch '{}' already finished with status '{}'", launch.getId(), launch.getStatus()));

    expect(finishExecutionRQ, Preconditions.finishSameTimeOrLater(launch.getStartTime())).verify(
            FINISH_TIME_EARLIER_THAN_START_TIME, finishExecutionRQ.getEndTime(), launch.getStartTime(),
            launchId);// www. j  av  a 2  s .c  om

    final List<TestItem> items = testItemRepository.findByLaunch(launch);
    expect(items, not(Preconditions.HAS_IN_PROGRESS_ITEMS)).verify(FINISH_LAUNCH_NOT_ALLOWED,
            new Supplier<String>() {
                @Override
                public String get() {
                    String[] values = { launchId,
                            DbUtils.toIds(getInProgressItems(items)).stream().collect(Collectors.joining(",")),
                            IN_PROGRESS.name() };
                    return MessageFormatter.arrayFormat("Launch '{}' has items '[{}]' with '{}' status", values)
                            .getMessage();
                }

                @Override
                public String toString() {
                    return get();
                }
            });
}

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From source file:io.termd.core.telnet.TelnetHandlerTest.java

@Test
public void testSendBinary() throws Exception {
    final CountDownLatch latch = new CountDownLatch(1);
    server.start(new Supplier<TelnetHandler>() {
        @Override/* w  w w  .ja v  a  2s.  c o m*/
        public TelnetHandler get() {
            return new TelnetHandler() {
                private TelnetConnection conn;

                @Override
                protected void onOpen(TelnetConnection conn) {
                    this.conn = conn;
                    conn.writeWillOption(Option.BINARY);
                }

                @Override
                protected void onSendBinary(boolean binary) {
                    if (binary) {
                        conn.write(new byte[] { 'h', 'e', 'l', 'l', 'o', -1 });
                        latch.countDown();
                    } else {
                        fail("Was not expecting a don't for binary option");
                    }
                }

                @Override
                protected void onReceiveBinary(boolean binary) {
                    if (binary) {
                        fail("Was not expecting a will for binary option");
                    }
                }
            };
        }
    });
    client.setOptionHandler(new SimpleOptionHandler(0, false, false, false, true));
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    client.client.registerSpyStream(baos);
    client.connect("localhost", 4000);
    latch.await();
    Reader reader = new InputStreamReader(client.client.getInputStream());
    int expectedLen = 5;
    char[] hello = new char[expectedLen];
    int num = 0;
    while (num < expectedLen) {
        int read = reader.read(hello, num, expectedLen - num);
        if (read == -1) {
            fail("Unexpected");
        }
        num += read;
    }
    assertEquals(5, num);
    assertEquals("hello", new String(hello));
    long now = System.currentTimeMillis();
    byte[] data;
    while ((data = baos.toByteArray()).length < 10) {
        assertTrue(System.currentTimeMillis() - now < 10000);
        Thread.sleep(5);
    }
    assertEquals((byte) 'h', data[3]);
    assertEquals((byte) 'e', data[4]);
    assertEquals((byte) 'l', data[5]);
    assertEquals((byte) 'l', data[6]);
    assertEquals((byte) 'o', data[7]);
    assertEquals((byte) -1, data[8]);
    assertEquals((byte) -1, data[9]);
}

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From source file:com.vmware.photon.controller.common.dcp.helpers.dcp.MultiHostEnvironment.java

private void waitForHostReady(final H host) throws Throwable {
    ServiceHostUtils.waitForState(new Supplier<H>() {
        @Override//from ww w .ja v  a2 s .co  m
        public H get() {
            return host;
        }
    }, new Predicate<H>() {
        @Override
        public boolean test(H esxCloudDcpServiceHost) {
            boolean isReady = esxCloudDcpServiceHost.isReady();
            return isReady;
        }
    }, getEnvironmentCleanup());
}

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From source file:com.thoughtworks.go.server.dao.PipelineSqlMapDao.java

public Pipeline pipelineWithMaterialsAndModsByBuildId(long buildId) {
    String cacheKey = this.cacheKeyGenerator.generate("getPipelineByBuildId", buildId);
    return pipelineByBuildIdCache.get(cacheKey, new Supplier<Pipeline>() {
        @Override//from w  w w. j a v a 2 s .  c  o m
        public Pipeline get() {
            Pipeline pipeline = (Pipeline) getSqlMapClientTemplate().queryForObject("getPipelineByBuildId",
                    buildId);
            if (pipeline == null) {
                throw new DataRetrievalFailureException(
                        "Could not load pipeline from build with id " + buildId);
            }
            return loadMaterialRevisions(pipeline);
        }
    });
}

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From source file:com.vmware.photon.controller.common.dcp.ServiceHostUtils.java

/**
 * Wait until service state satisfies the given predicate.
 */// w  ww  .ja v  a 2 s .  c  o  m
public static <T> T waitForServiceState(final Class<T> type, final String serviceUri, Predicate<T> predicate,
        final ServiceHost host, long waitIterationSleep, long waitIterationCount, Runnable cleanup)
        throws Throwable {
    return waitForState(new Supplier<T>() {
        @Override
        public T get() {
            try {
                return getServiceState(host, type, serviceUri, "test-host");
            } catch (Throwable t) {
                throw new RuntimeException("Failed to get service state", t);
            }
        }
    }, predicate, waitIterationSleep, waitIterationCount, cleanup);
}

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From source file:com.vmware.photon.controller.common.xenon.ServiceHostUtils.java

/**
 * Wait until service state satisfies the given predicate.
 *///from   w  w  w  .  j  a v a2s.c  om
public static <T> T waitForServiceState(final Class<T> type, final String serviceUri, Predicate<T> predicate,
        final ServiceHost host, long waitIterationSleepMillis, long waitIterationCount, Runnable cleanup)
        throws Throwable {

    String timeoutMessage = String.format("Timeout waiting for state transition, serviceUri=[%s]", serviceUri);
    return waitForState(new Supplier<T>() {
        @Override
        public T get() {
            try {
                return getServiceState(host, type, serviceUri, "test-host");
            } catch (Throwable t) {
                throw new RuntimeException("Failed to get service state", t);
            }
        }
    }, predicate, waitIterationSleepMillis, waitIterationCount, cleanup, timeoutMessage);
}

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