Example usage for java.util ListIterator hasNext

List of usage examples for java.util ListIterator hasNext

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Introduction

In this page you can find the example usage for java.util ListIterator hasNext.

Prototype

boolean hasNext();

Source Link

Document

Returns true if this list iterator has more elements when traversing the list in the forward direction.

Usage

From source file:edu.iu.daal_linreg.LinRegDaalCollectiveMapper.java

private NumericTable getNumericTableHDFS(DaalContext daal_Context, Configuration conf, String inputFiles,
        int vectorSize, int numRows) throws IOException {
    Path inputFilePaths = new Path(inputFiles);
    List<String> inputFileList = new LinkedList<>();

    try {/*from  ww w .  jav a  2  s.co m*/
        FileSystem fs = inputFilePaths.getFileSystem(conf);
        RemoteIterator<LocatedFileStatus> iterator = fs.listFiles(inputFilePaths, true);

        while (iterator.hasNext()) {
            String name = iterator.next().getPath().toUri().toString();
            inputFileList.add(name);
        }

    } catch (IOException e) {
        LOG.error("Fail to get test files", e);
    }
    int dataSize = vectorSize * numRows;
    // float[] data = new float[dataSize];
    double[] data = new double[dataSize];
    long[] dims = { numRows, vectorSize };
    int index = 0;

    FSDataInputStream in = null;

    //loop over all the files in the list
    ListIterator<String> file_itr = inputFileList.listIterator();
    while (file_itr.hasNext()) {
        String file_name = file_itr.next();
        LOG.info("read in file name: " + file_name);

        Path file_path = new Path(file_name);
        try {

            FileSystem fs = file_path.getFileSystem(conf);
            in = fs.open(file_path);

        } catch (Exception e) {
            LOG.error("Fail to open file " + e.toString());
            return null;
        }

        //read file content
        while (true) {
            String line = in.readLine();
            if (line == null)
                break;

            String[] lineData = line.split(",");

            for (int t = 0; t < vectorSize; t++) {
                if (index < dataSize) {
                    // data[index] = Float.parseFloat(lineData[t]);
                    data[index] = Double.parseDouble(lineData[t]);
                    index++;
                } else {
                    LOG.error("Incorrect size of file: dataSize: " + dataSize + "; index val: " + index);
                    return null;
                }

            }
        }

        in.close();

    }

    if (index != dataSize) {
        LOG.error("Incorrect total size of file: dataSize: " + dataSize + "; index val: " + index);
        return null;
    }
    //debug check the vals of data
    // for(int p=0;p<60;p++)
    //     LOG.info("data at: " + p + " is: " + data[p]);

    NumericTable predictionData = new HomogenNumericTable(daal_Context, data, vectorSize, numRows);
    return predictionData;

}

From source file:vteaexploration.plottools.panels.XYChartPanel.java

private DefaultXYZDataset createXYZDataset(ArrayList alVolumes, int x, int y, int l) {
    //System.out.println("PROFILING: New dataset, for  " + alVolumes.size() + " objects.");
    DefaultXYZDataset result = new DefaultXYZDataset();
    int counter = 0;

    double[] xCorrected = new double[alVolumes.size()];
    double[] yCorrected = new double[alVolumes.size()];
    double[] lCorrected = new double[alVolumes.size()];

    ListIterator litr = alVolumes.listIterator();

    while (litr.hasNext()) {
        //            try {
        MicroObjectModel volume = (MicroObjectModel) litr.next();
        xCorrected[counter] = processPosition(x, volume).doubleValue();
        yCorrected[counter] = processPosition(y, volume).doubleValue();
        if (l > 0) {
            lCorrected[counter] = processPosition(l, volume).doubleValue();
        } else {//from w  w w.  j  a v a2s  .co m
            lCorrected[counter] = 0;
        }

        counter++;
        //            } 
        //            catch (NullPointerException e) {
        //                System.out.println("EXCEPTION:  Error building dataset.");
        //            }
    }

    double[][] series = new double[][] { xCorrected, yCorrected, lCorrected };
    result.addSeries("first", series);

    return result;
}

From source file:com.caricah.iotracah.datastore.ignitecache.internal.impl.SubscriptionFilterHandler.java

public Observable<IotSubscriptionFilter> matchTopicFilterTree(String partitionId,
        List<String> topicNavigationRoute) {

    return Observable.create(observer -> {

        Set<IotSubscriptionFilterKey> topicFilterKeys = new HashSet<>();

        ListIterator<String> pathIterator = topicNavigationRoute.listIterator();

        List<String> growingTitles = new ArrayList<>();

        while (pathIterator.hasNext()) {

            String name = pathIterator.next();

            List<String> slWildCardList = new ArrayList<>(growingTitles);

            if (pathIterator.hasNext()) {
                //We deal with wildcard.
                slWildCardList.add(Constant.MULTI_LEVEL_WILDCARD);
                topicFilterKeys.add(keyFromList(partitionId, slWildCardList));

            } else {

                slWildCardList.add(Constant.SINGLE_LEVEL_WILDCARD);
                topicFilterKeys.add(keyFromList(partitionId, slWildCardList));

                slWildCardList.add(Constant.SINGLE_LEVEL_WILDCARD);
                topicFilterKeys.add(keyFromList(partitionId, slWildCardList));

                slWildCardList.remove(slWildCardList.size() - 1);
                slWildCardList.remove(slWildCardList.size() - 1);

                //we deal with full topic
                slWildCardList.add(name);
            }/* w  ww . j  a v a2  s  .co m*/

            List<String> reverseSlWildCardList = new ArrayList<>(slWildCardList);

            growingTitles.add(name);

            int sizeOfTopic = slWildCardList.size() - 1;

            for (int i = 0; i <= sizeOfTopic; i++) {

                if (i < sizeOfTopic) {
                    int reverseIndex = sizeOfTopic - i;

                    slWildCardList.set(i, Constant.SINGLE_LEVEL_WILDCARD);
                    reverseSlWildCardList.set(reverseIndex, Constant.SINGLE_LEVEL_WILDCARD);

                    topicFilterKeys.add(keyFromList(partitionId, slWildCardList));
                    topicFilterKeys.add(keyFromList(partitionId, reverseSlWildCardList));

                } else {

                    if (!pathIterator.hasNext()) {

                        slWildCardList.set(i, Constant.SINGLE_LEVEL_WILDCARD);
                        topicFilterKeys.add(keyFromList(partitionId, slWildCardList));

                        slWildCardList.add(Constant.SINGLE_LEVEL_WILDCARD);
                        topicFilterKeys.add(keyFromList(partitionId, slWildCardList));

                        slWildCardList.set(slWildCardList.size() - 1, Constant.MULTI_LEVEL_WILDCARD);
                        topicFilterKeys.add(keyFromList(partitionId, slWildCardList));

                    }

                }
            }

        }

        topicFilterKeys.add(keyFromList(partitionId, growingTitles));

        growingTitles.add(Constant.SINGLE_LEVEL_WILDCARD);
        topicFilterKeys.add(keyFromList(partitionId, growingTitles));

        growingTitles.set(growingTitles.size() - 1, Constant.MULTI_LEVEL_WILDCARD);
        topicFilterKeys.add(keyFromList(partitionId, growingTitles));

        growingTitles.remove(growingTitles.size() - 1);

        growingTitles.set(growingTitles.size() - 1, Constant.SINGLE_LEVEL_WILDCARD);
        topicFilterKeys.add(keyFromList(partitionId, growingTitles));

        growingTitles.set(growingTitles.size() - 1, Constant.MULTI_LEVEL_WILDCARD);
        topicFilterKeys.add(keyFromList(partitionId, growingTitles));

        //Add lost wildcard
        getBySet(topicFilterKeys).subscribe(observer::onNext, observer::onError, observer::onCompleted);

    });

}

From source file:com.caricah.iotracah.core.worker.DumbWorker.java

private Set<String> getMatchingSubscriptions(String partition, String topic) {

    Set<String> topicFilterKeys = new HashSet<>();

    ListIterator<String> pathIterator = Arrays.asList(topic.split(Constant.PATH_SEPARATOR)).listIterator();

    List<String> growingTitles = new ArrayList<>();

    while (pathIterator.hasNext()) {

        String name = pathIterator.next();

        List<String> slWildCardList = new ArrayList<>(growingTitles);

        if (pathIterator.hasNext()) {
            //We deal with wildcard.
            slWildCardList.add(Constant.SINGLE_LEVEL_WILDCARD);
            topicFilterKeys.add(quickCheckIdKey(partition, slWildCardList));

        } else {/*  w  ww .jav a 2s  .  c o m*/
            //we deal with full topic
            slWildCardList.add(name);
        }

        List<String> reverseSlWildCardList = new ArrayList<>(slWildCardList);

        growingTitles.add(name);

        int sizeOfTopic = slWildCardList.size();
        if (sizeOfTopic > 1) {
            sizeOfTopic -= 1;

            for (int i = 0; i < sizeOfTopic; i++) {

                if (i >= 0) {
                    slWildCardList.set(i, Constant.MULTI_LEVEL_WILDCARD);
                    reverseSlWildCardList.set(sizeOfTopic - i, Constant.MULTI_LEVEL_WILDCARD);

                    topicFilterKeys.add(quickCheckIdKey(partition, slWildCardList));
                    topicFilterKeys.add(quickCheckIdKey(partition, reverseSlWildCardList));

                }
            }
        }

    }

    topicFilterKeys.add(quickCheckIdKey(partition, growingTitles));

    return topicFilterKeys;

}

From source file:org.openmrs.module.sdmxhddataexport.web.controller.dataelement.DataElementController.java

@RequestMapping(value = "/module/sdmxhddataexport/listDataElement.form", method = RequestMethod.POST)
public String deleteDataElement(@RequestParam(value = "ids", required = false) String[] ids,
        @RequestParam(value = "files", required = false) MultipartFile uploadItem, HttpServletRequest request,
        @RequestParam(value = "upload", required = false) String upload,
        @RequestParam(value = "IncludeQueries", required = false) String IncludeQueries, Object command,
        SessionStatus status) {//from   w w w .  j  av a  2 s.co m
    String temp = "";
    HttpSession httpSession = request.getSession();
    Integer dataElementId = null;
    System.out.println(" done " + upload);
    if (upload != null) {
        System.out.println("1st part truly done");
        //FileUpload file = uploadItem;
        String fileName = "";
        if (uploadItem != null) {
            fileName = uploadItem.getOriginalFilename();
            System.out.println("2nd part truly done " + fileName);

            byte[] byteArray = null;
            try {
                byteArray = uploadItem.getBytes();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                System.out.println("Bad file name");

                e.printStackTrace();
            }

            String data = new String(byteArray);
            System.out.println("3rd part truly done " + data);
            XPath xpath = XPathFactory.newInstance().newXPath();
            DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
            domFactory.setNamespaceAware(true);
            DocumentBuilder builder = null;
            try {
                builder = domFactory.newDocumentBuilder();
            } catch (ParserConfigurationException e) {
                e.printStackTrace();

            }
            Document doc = null;
            try {
                doc = builder.parse(uploadItem.getInputStream());
            } catch (SAXException e1) {
                httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR,
                        "Unsupported Document type is uploaded ");

                //or we can use httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "sdmxhddataexport.UploadedFile.Wrong" );

                return "redirect:/module/sdmxhddataexport/listDataElement.form";

            } catch (IOException e1) {
                // TODO Auto-generated catch block
                httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "error in reading Document type  ");

                //e1.printStackTrace();

            }
            XPathExpression expr = null;
            XPathExpression exprDesc = null;
            XPathExpression exprQuery = null;
            try {
                expr = xpath.compile(
                        "//*[local-name(.)='CodeList' and @id='CL_DATAELEMENT']/*[local-name(.)='Code']");
                exprDesc = xpath.compile("//[local-name(.)='Description']");

                exprQuery = xpath.compile("//[local-name(.)='Query']");
            } catch (XPathExpressionException e) {
                httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "Error parsing document ");

            }
            Object result = null;
            try {
                result = expr.evaluate(doc, XPathConstants.NODESET);
            } catch (XPathExpressionException e) {
                httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "Error parsing document ");

                // e.printStackTrace();
            }
            NodeList nodes = (NodeList) result;
            ArrayList<DataElement> dataElements = new ArrayList<DataElement>();
            for (int i = 0; i < nodes.getLength(); i++) {
                boolean putItIn = false;
                DataElement de = new DataElement();
                System.out.println(nodes.item(i).getLocalName());

                NamedNodeMap nmp = nodes.item(i).getAttributes();
                System.out.println(nmp.getNamedItem("value").getNodeValue() + "  hellooo..");
                de.setCode(nmp.getNamedItem("value").getNodeValue());
                //Node tempNode = (Node)nodes.item(i); 
                NodeList innerNodeList = nodes.item(i).getChildNodes();
                System.out.println("length: " + innerNodeList.getLength());
                for (int j = 0; j < innerNodeList.getLength(); j++) {
                    if (innerNodeList.item(j).getLocalName() != null) {
                        System.out.println("hehe " + innerNodeList.item(j).getLocalName());
                        if (innerNodeList.item(j).getLocalName().equals(new String("Description"))) {
                            System.out.println("Description: " + innerNodeList.item(j).getTextContent());
                            de.setName(innerNodeList.item(j).getTextContent());

                            putItIn = true;
                        }

                        if (innerNodeList.item(j).getLocalName().equals(new String("Query"))
                                && IncludeQueries != null) {
                            System.out.println("Query: " + innerNodeList.item(j).getTextContent());
                            de.setSqlQuery(innerNodeList.item(j).getTextContent());
                        }
                    }
                }
                if (putItIn) {

                    boolean bool;
                    DataElementValidator valid = new DataElementValidator();
                    bool = valid.fileValidate(de);
                    if (bool == true)
                        dataElements.add(de);

                }
            }
            ListIterator<DataElement> li = dataElements.listIterator();
            DataElement de;
            while (li.hasNext()) {
                de = (DataElement) li.next();
                System.out.println("Element 1 = " + de.getName());
                de.setCreatedOn(new java.util.Date());
                de.setCreatedBy(Context.getAuthenticatedUser().getGivenName());
                SDMXHDDataExportService sDMXHDDataExportService = Context
                        .getService(SDMXHDDataExportService.class);

                sDMXHDDataExportService.saveDataElement(de);

            }

            status.setComplete();
        }

        return "redirect:/module/sdmxhddataexport/listDataElement.form";
    }
    try {
        SDMXHDDataExportService sDMXHDDataExportService = Context.getService(SDMXHDDataExportService.class);
        if (ids != null && ids.length > 0) {
            for (String sId : ids) {
                dataElementId = Integer.parseInt(sId);
                if (dataElementId != null && dataElementId > 0 && CollectionUtils.isEmpty(
                        sDMXHDDataExportService.listReportDataElement(null, dataElementId, null, 0, 1))) {
                    sDMXHDDataExportService
                            .deleteDataElement(sDMXHDDataExportService.getDataElementById(dataElementId));
                } else {
                    //temp += "We can't delete store="+store.getName()+" because that store is using please check <br/>";
                    temp = "This dataElement cannot be deleted as it is in use";
                }
            }
        }
    } catch (Exception e) {
        httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "Can not delete dataElement ");
        log.error(e);
    }
    httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR,
            StringUtils.isBlank(temp) ? "sdmxhddataexport.dataElement.deleted" : temp);

    return "redirect:/module/sdmxhddataexport/listDataElement.form";
}

From source file:com.danielme.muspyforandroid.services.MusicBrainzClient.java

/**
 *  Label, country, format and mbid of the concrete release
 * @since 1.2//from  ww  w. j a  va  2 s  . c o  m
 */
public void loadReleaseConcrete(Release release) {
    if (releases.get(release.getMbid()) != null) {
        Release temp = releases.get(release.getMbid());
        release.setCountry(temp.getCountry());
        release.setFormat(temp.getFormat());
        release.setLabel(temp.getLabel());
        release.setTrackCount(temp.getTrackCount());
        release.setMbidConcreteRelease(temp.getMbidConcreteRelease());
    } else {
        String url = String.format(Constants.MBRAINZ.URL_RELEASES, URLEncoder.encode(release.getMbid()));

        HttpGet httpGet = new HttpGet(url);
        httpGet.setHeader(Constants.CONTENT_TYPE, Constants.TYPE_JSON);
        try {
            HttpResponse response = httpClient.execute(httpGet);
            StatusLine statusLine = response.getStatusLine();
            //sometimes we receive HTTP 504
            if (statusLine != null && statusLine.getStatusCode() == MBGatewayTimeOutException.STATUS_CODE) {
                throw new MBGatewayTimeOutException();
            }
            String responseString = EntityUtils.toString(response.getEntity());
            JSONObject responseJSON = new JSONObject(responseString);
            JSONArray jsonArray = responseJSON.getJSONArray(Constants.MBRAINZ.RELEASES);
            String date = getReleaseDate(release);
            List<JSONObject> candidates = new LinkedList<JSONObject>();
            for (int i = 0; i < jsonArray.length(); i++) {
                if (jsonArray.getJSONObject(i).getString("date").equals(date)) {
                    candidates.add(jsonArray.getJSONObject(i));
                }

            }

            ListIterator<JSONObject> listIterator = candidates.listIterator();
            boolean found = false;
            JSONObject releaseJson = null;
            String country = null;

            //USA
            while (listIterator.hasNext() && !found) {
                releaseJson = listIterator.next();
                country = releaseJson.getString("country");
                if (country.equals("US")) {
                    found = true;
                    loadDetails(releaseJson, release);
                }
            }
            //UK
            if (!found) {
                listIterator = candidates.listIterator();
                while (listIterator.hasNext() && !found) {
                    releaseJson = listIterator.next();
                    country = releaseJson.getString("country");
                    if (country.equals("GB")) {
                        found = true;
                        loadDetails(releaseJson, release);
                    }
                }
            }

            //the first release
            if (!found && !candidates.isEmpty()) {
                loadDetails(jsonArray.getJSONObject(0), release);
            }

        } catch (Exception ex) {
            //this feature is not critical
            Log.w(this.getClass().toString(), ex.getMessage());
        }
        releases.put(release.getMbid(), release);
    }
}

From source file:es.uvigo.ei.sing.adops.operations.running.ExecuteExperimentBySteps.java

private void replaceSequenceNamesAln(File inputFile, File outputFile) throws IOException {
    final Map<String, String> names = this.experiment.getNames();
    final List<String> lines = FileUtils.readLines(inputFile);

    int maxLength = Integer.MIN_VALUE;
    for (Map.Entry<String, String> name : names.entrySet()) {
        maxLength = Math.max(maxLength, name.getValue().length());
    }// w w  w  .ja  va2  s. co m

    for (Map.Entry<String, String> name : names.entrySet()) {
        String newName = name.getValue();

        while (newName.length() < maxLength) {
            newName += ' ';
        }

        name.setValue(newName);
    }

    final ListIterator<String> itLines = lines.listIterator();
    if (itLines.hasNext())
        itLines.next();

    // TODO Review parsing
    while (itLines.hasNext()) {
        itLines.next(); // White line

        String line = null;
        // Sequences
        while (itLines.hasNext()) {
            line = itLines.next();
            if (line.isEmpty())
                break;
            final String[] lineSplit = line.split("\\s+");
            final String name = lineSplit.length == 0 ? "" : lineSplit[0];

            if (names.get(name) == null)
                break;

            itLines.set(names.get(name) + "   " + lineSplit[1]);
        }

        // Marks line
        if (line != null && !line.isEmpty() && line.startsWith(" ")) {
            String newLine = line;

            if (maxLength < 13)
                newLine = newLine.substring(13 - maxLength);
            else
                for (int i = 16; i < maxLength + 3; i++) {
                    newLine = ' ' + newLine;
                }

            itLines.set(newLine);
        }
    }

    FileUtils.writeLines(outputFile, lines);
}

From source file:com.impetus.kundera.query.KunderaQueryParser.java

/**
 * @param selectExpression//from  w  w w.ja va  2s. co m
 * @return Count of aggregation required
 */
private int countAggregation(Expression selectExpression) {
    int count = 0;
    if (selectExpression instanceof CollectionExpression) {
        CollectionExpression selectColumnExpression = (CollectionExpression) selectExpression;
        ListIterator<Expression> selectColumnIter = selectColumnExpression.children().iterator();

        while (selectColumnIter.hasNext()) {
            count = validateExpression(selectColumnIter.next()) ? ++count : count;
        }
    } else {
        if (validateExpression(selectExpression))
            count = 1;
    }
    return count;
}

From source file:com.taobao.gecko.service.impl.GeckoHandler.java

private boolean removeDisconnectedConnection(final String group) {
    // connection)
    final List<Connection> currentConnList = this.remotingController.getRemotingContext()
            .getConnectionsByGroup(group);
    Connection disconnectedConn = null;
    if (currentConnList != null) {

        synchronized (currentConnList) {
            final ListIterator<Connection> it = currentConnList.listIterator();
            while (it.hasNext()) {
                final Connection currentConn = it.next();
                if (!currentConn.isConnected()) {
                    disconnectedConn = currentConn;
                    break;
                } else {
                    // 
                    // 
                    if (!((DefaultConnection) currentConn).isReady() && !currentConn.getGroupSet().isEmpty()) {
                        this.notifyConnectionReady((DefaultConnection) currentConn);
                    }//from  www. ja  va2  s  .co m
                }
            }
        }
    }
    if (disconnectedConn != null) {
        return currentConnList.remove(disconnectedConn);
    } else {
        return false;
    }
}

From source file:com.alibaba.napoli.gecko.service.impl.GeckoHandler.java

private boolean removeDisconnectedConnection(final String group) {
    // ???connection??)
    final List<Connection> currentConnList = this.remotingController.getRemotingContext()
            .getConnectionsByGroup(group);
    Connection disconnectedConn = null;
    if (currentConnList != null) {

        synchronized (currentConnList) {
            final ListIterator<Connection> it = currentConnList.listIterator();
            while (it.hasNext()) {
                final Connection currentConn = it.next();
                if (!currentConn.isConnected()) {
                    disconnectedConn = currentConn;
                    break;
                } else {
                    // ?????
                    // ???
                    if (!((DefaultConnection) currentConn).isReady() && !currentConn.getGroupSet().isEmpty()) {
                        this.notifyConnectionReady((DefaultConnection) currentConn);
                    }/*from  w w w  .  j a  v  a  2s.c  o m*/
                }
            }
        }
    }
    if (disconnectedConn != null) {
        return currentConnList.remove(disconnectedConn);
    } else {
        return false;
    }
}