Example usage for java.lang Math random

Introduction

In this page you can find the example usage for java.lang Math random.

Prototype

public static double random() 

Source Link

Document

Returns a double value with a positive sign, greater than or equal to 0.0 and less than 1.0 .

Usage

From source file:biz.fstechnology.micro.common.jms.RequestMessageCreator.java

/**
 * @see org.springframework.jms.core.MessageCreator#createMessage(javax.jms.Session)
 *//*from  w  w w . ja  v  a2s .  c  o m*/
@Override
public Message createMessage(Session session) throws JMSException {
    ObjectMessage message = session.createObjectMessage();
    message.setObject(getContents());
    message.setJMSReplyTo(getReplyTo());
    if (getRequestId() == null) {
        setRequestId(Double.toHexString(Math.random()));
    }
    message.setJMSCorrelationID(getRequestId());

    return message;
}

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From source file:com.jnj.b2b.fulfilmentprocess.actions.consignment.SubprocessEndAction.java

@Override
public void executeAction(final ConsignmentProcessModel process) {
    LOG.info("Process: " + process.getCode() + " in step " + getClass());

    try {/* ww w.  ja  v a2  s .co m*/
        // simulate different ending times
        Thread.sleep((long) (Math.random() * 2000));
    } catch (final InterruptedException e) {
        // can't help it
    }

    process.setDone(true);

    save(process);
    LOG.info("Process: " + process.getCode() + " wrote DONE marker");

    getBusinessProcessService().triggerEvent(process.getParentProcess().getCode() + "_"
            + Jnjb2bFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
    LOG.info("Process: " + process.getCode() + " fired event "
            + Jnjb2bFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
}

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From source file:com.apress.prospringintegration.springenterprise.stocks.transactions.aopdeclarative.AOPStockBrokerService.java

public void preFillStocks(final String exchangeId, final String... symbols) {
    int i = 0;/*from ww  w .  j  a va  2  s  . c om*/
    for (String sym : symbols) {
        float pp = (float) Math.random() * 100.0f;
        int qq = (int) Math.random() * 250;
        Stock s = new Stock(sym, "INV00" + i, exchangeId, pp, qq, Calendar.getInstance().getTime());
        stockDao.insert(s);
        System.out.println("ORIG INVENTORY: " + s.getInventoryCode() + " ");
        int randomized = (random.nextInt(100) % 4) == 0 ? 0 : i;
        s.setInventoryCode("INV00" + randomized);
        System.out.println("NEW RANDOMIZED INVENTORY:" + s.getInventoryCode() + " " + randomized);
        stockDao.update(s);
        i++;
    }
}

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From source file:org.training.fulfilmentprocess.actions.consignment.SubprocessEndAction.java

@Override
public void executeAction(final ConsignmentProcessModel process) {
    LOG.info("Process: " + process.getCode() + " in step " + getClass());

    try {// w w  w.  j  a v a  2 s  .  c  o  m
        // simulate different ending times
        Thread.sleep((long) (Math.random() * 2000));
    } catch (final InterruptedException e) {
        // can't help it
    }

    process.setDone(true);

    save(process);
    LOG.info("Process: " + process.getCode() + " wrote DONE marker");

    getBusinessProcessService().triggerEvent(process.getParentProcess().getCode() + "_"
            + TrainingFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
    LOG.info("Process: " + process.getCode() + " fired event "
            + TrainingFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
}

---

From source file:org.vinmonopolet.fulfilmentprocess.actions.consignment.SubprocessEndAction.java

@Override
public void executeAction(final ConsignmentProcessModel process) {
    LOG.info("Process: " + process.getCode() + " in step " + getClass());

    try {/* w  w  w .j  a  v  a 2s .  c  o m*/
        // simulate different ending times
        Thread.sleep((long) (Math.random() * 2000));
    } catch (final InterruptedException e) {
        // can't help it
    }

    process.setDone(true);

    save(process);
    LOG.info("Process: " + process.getCode() + " wrote DONE marker");

    getBusinessProcessService().triggerEvent(process.getParentProcess().getCode() + "_"
            + VinmonopoletFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
    LOG.info("Process: " + process.getCode() + " fired event "
            + VinmonopoletFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
}

---

From source file:eu.fusepool.tests.RoundTripTest.java

@Test
public void fromDlcToEcs() {
    final String dataSetLabel = "test" + (Math.round(Math.random() * 10000));
    //Create DataSet
    RestAssured.given().auth().basic("admin", "admin").formParam("pipe_label", dataSetLabel).redirects()
            .follow(false).expect().statusCode(HttpStatus.SC_SEE_OTHER).when().post("/sourcing/create_pipe");
    //ISSUE: the above doesn't return the name of the created dataset
    final String dataSetName = "urn:x-localinstance:/dlc/" + dataSetLabel;

    RestAssured.given().auth().basic("admin", "admin").expect().body(containsString(INTERLINKER_NAME)).when()
            .get("/sourcing/");

    //Start batch processing
    final Response processBatchResponse = RestAssured.given().redirects().follow(false).auth()
            .basic("admin", "admin").formParam("dataSet", dataSetName).formParam("rdfizer", "patent")
            .formParam("digester", "patent").formParam("interlinker", INTERLINKER_NAME)
            .formParam("skipPreviouslyAdded", "on").formParam("smushAndPublish", "on")
            .formParam("recurse", "on").formParam("maxFiles", "2")
            .formParam("url", "http://raw.fusepool.info/IREC/EP/").expect().statusCode(HttpStatus.SC_SEE_OTHER)
            .when().post("/sourcing/processBatch/");
    //ISSUE: the task is started without checking if the dataset and interlinker exists

    final String taskLocation = processBatchResponse.getHeader("Location");

    //Making sure the tasks ends after a while
    int i = 0;//from  w  w w.jav  a2s. co m
    while (true) {
        if (i++ == 120) {
            throw new RuntimeException("Did not end after two minutes: " + taskLocation);
        }
        try {
            Thread.sleep(1000);
        } catch (InterruptedException ex) {
            Thread.currentThread().interrupt();
        }
        final Response taskResponse = RestAssured.given().header("Accept", "text/html").expect()
                .body(containsString("started")).get(taskLocation);
        if (taskResponse.getBody().asString().contains("ended")) {
            break;
        }
    }
    //it may take a while till the data is reindex and available in ECS
    Graph graph;
    i = 0;
    while (true) {
        //now ecs should find some data
        final Response ecsResponse = RestAssured.given().header("Accept", "text/turtle")
                .queryParam("search", "*").expect().statusCode(HttpStatus.SC_OK)
                .header("Content-Type", "text/turtle").when().get("/ecs/");
        graph = Parser.getInstance().parse(new ByteArrayInputStream(ecsResponse.asByteArray()),
                SupportedFormat.TURTLE);
        if (graph.size() > 10) {
            break;
        }
        if (i == 150) {
            log.warn("Did not find triples in ECS after 4 minutes! Now triggering reindexing via HTTP call.");
            RestAssured.given().auth().basic("admin", "admin").expect().statusCode(HttpStatus.SC_OK)
                    .body(containsString("indexed")).when().get("/ecs/reindex");
        }
        if (i++ == 190) {
            throw new RuntimeException("Did not find triples in ECS result even after 8 minute");
        }
        try {
            if (i >= 100) {
                Thread.sleep(4000);
            } else {
                Thread.sleep(400);
            }
        } catch (InterruptedException ex) {
            Thread.currentThread().interrupt();
        }
    }
    //Assert.assertTrue("The graph returned by ecs seems too small (only " + graph.size() + " triples)", graph.size() > 10);
    GraphNode storeViewType = new GraphNode(ECS.ContentStoreView, graph);
    GraphNode storeView = storeViewType.getSubjectNodes(RDF.type).next();
    Literal contentsCount = storeView.getLiterals(ECS.contentsCount).next();
    Assert.assertTrue("No content found.", Integer.parseInt(contentsCount.getLexicalForm()) > 0);
}

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From source file:com.exxonmobile.ace.hybris.fulfilmentprocess.actions.consignment.SubprocessEndAction.java

@Override
public void executeAction(final ConsignmentProcessModel process) {
    LOG.info("Process: " + process.getCode() + " in step " + getClass());

    try {// www  .  j  a v  a2s  .  com
        // simulate different ending times
        Thread.sleep((long) (Math.random() * 2000));
    } catch (final InterruptedException e) {
        // can't help it
    }

    process.setDone(true);

    save(process);
    LOG.info("Process: " + process.getCode() + " wrote DONE marker");

    getBusinessProcessService().triggerEvent(process.getParentProcess().getCode() + "_"
            + ExxonmobilFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
    LOG.info("Process: " + process.getCode() + " fired event "
            + ExxonmobilFulfilmentProcessConstants.CONSIGNMENT_SUBPROCESS_END_EVENT_NAME);
}

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From source file:mtsar.processors.task.FixedNumberAllocator.java

@Override
protected List<Integer> filterTasks(Map<Integer, Integer> counts) {
    checkAnswersPerTask();/* w  w w  . jav a  2s  .  com*/
    return counts.entrySet().stream().filter(entry -> entry.getValue() < answersPerTask)
            .map(entry -> Triple.of(entry.getKey(), entry.getValue(), Math.random())).sorted(INVERSE_COUNT)
            .map(Triple::getLeft).collect(Collectors.toList());
}

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From source file:com.example.ExampleController.java

@RequestMapping("/meet")
public String meet() throws InterruptedException {
    long duration = 200L + (long) (Math.random() * 500L);

    Thread.sleep(duration);/*  w  ww .  ja  v a2 s. c  o  m*/

    LOGGER.info("meeting took " + duration + "ms");
    return "meeting finished in " + duration + "ms";
}

---

From source file:com.certus.actions.uploadSliderImageAction.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String path = getServletContext().getRealPath("img/slider").replace("build/", "");
    boolean isMultipart = ServletFileUpload.isMultipartContent(request);

    if (isMultipart) {
        FileItemFactory factory = new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);
        try {//from  w  w  w  .  jav  a 2  s  . c  o  m
            List<FileItem> multiparts = upload.parseRequest(request);
            StringBuilder sb = null;
            for (FileItem item : multiparts) {
                if (!item.isFormField()) {
                    double randomA = Math.random() * 1000000000;
                    int randA = (int) randomA;
                    String name = new File(item.getName()).getName();
                    sb = new StringBuilder(name);
                    sb.replace(0, name.length() - 4, "slider-" + randA);
                    item.write(new File(path + File.separator + sb));
                }
            }
            String pathTo = path + File.separator + sb;
            response.getWriter().write(pathTo.substring(pathTo.lastIndexOf("img")));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}

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