Example usage for java.lang String hashCode

Introduction

In this page you can find the example usage for java.lang String hashCode.

Prototype

public int hashCode() 

Source Link

Document

Returns a hash code for this string.

Usage

From source file:edu.umass.cs.gigapaxos.PaxosInstanceStateMachine.java

protected static int roundRobinCoordinator(String paxosID, int[] members, int ballotnum) {
    // to load balance coordinatorship across groups
    int randomOffset = paxosID.hashCode();
    return members[(Math.abs(ballotnum + randomOffset)) % members.length];
}

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From source file:com.chinamobile.bcbsp.comm.MessageQueuesForDisk.java

@Override
public int getIncomingQueueSize(String dstVertexID) {
    ConcurrentLinkedQueue<IMessage> incomingQueue = null;
    // Get the hash bucket index.
    int hashCode = dstVertexID.hashCode();
    int hashIndex = hashCode % this.hashBucketNumber; // bucket index
    hashIndex = (hashIndex < 0 ? hashIndex + this.hashBucketNumber : hashIndex);
    BucketMeta meta = this.incomingQueues.get(hashIndex);
    incomingQueue = meta.queueMap.get(dstVertexID);
    if (incomingQueue != null) {
        return incomingQueue.size();
    } else {//from   w  w w  .java 2  s  . c om
        return 0;
    }
}

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From source file:com.chinamobile.bcbsp.comm.MessageQueuesForDisk.java

@Override
public ConcurrentLinkedQueue<IMessage> removeIncomingQueue(String dstVerID) {
    ConcurrentLinkedQueue<IMessage> incomingQueue = null;
    // Get the hash bucket index.
    int hashCode = dstVerID.hashCode();
    int hashIndex = hashCode % this.hashBucketNumber; // bucket index
    hashIndex = (hashIndex < 0 ? hashIndex + this.hashBucketNumber : hashIndex);
    BucketMeta meta = this.incomingQueues.get(hashIndex);
    // The bucket is on disk.
    if (meta.onDiskFlag) {
        this.incomingFileLocks[hashIndex].lock();
        /** Lock */
        try {/*w  w w  .j av  a  2 s  .  c o m*/
            loadBucket(this.incomingQueues, hashIndex, "incoming");
        } catch (IOException e) {
            throw new RuntimeException("[MessageQueuesForDisk:removeIncomingQueue]", e);
        } finally {
            this.incomingFileLocks[hashIndex].unlock();
            /** Unlock */
        }
    }
    meta = this.incomingQueues.get(hashIndex);
    incomingQueue = meta.queueMap.remove(dstVerID);
    if (incomingQueue == null) {
        incomingQueue = new ConcurrentLinkedQueue<IMessage>();
    }
    int removedCount = incomingQueue.size();
    long removedLength = removedCount * this.sizeOfMessage;
    // Update the meta data.
    meta.count = meta.count - removedCount;
    meta.countInMemory = meta.countInMemory - removedCount;
    meta.length = meta.length - removedLength;
    meta.lengthInMemory = meta.lengthInMemory - removedLength;
    this.sizeOfMessagesDataInMem = this.sizeOfMessagesDataInMem - removedLength;
    this.countOfMessagesDataInMem = this.countOfMessagesDataInMem - removedCount;
    this.sizeOfHashMapsInMem = this.sizeOfHashMapsInMem
            - (sizeOfRef * 2 + (dstVerID.length() * sizeOfChar) + sizeOfEmptyMessageQueue);
    return incomingQueue;
}

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From source file:com.chinamobile.bcbsp.comm.MessageQueuesForDisk.java

@Override
@SuppressWarnings("unchecked")
public ConcurrentLinkedQueue<IMessage> removeIncomedQueue(String dstVertID) {
    ConcurrentLinkedQueue<IMessage> incomedQueue = null;
    // Get the hash bucket index.
    int hashCode = dstVertID.hashCode();
    int hashIndex = hashCode % this.hashBucketNumber; // bucket index
    hashIndex = (hashIndex < 0 ? hashIndex + this.hashBucketNumber : hashIndex);
    BucketMeta meta = this.incomedQueues.get(hashIndex);
    // The bucket is on disk.
    if (meta.onDiskFlag) {
        this.incomedFileLocks[hashIndex].lock();
        /** Lock */
        try {/*from   w ww.j a v a2s.c  o m*/
            loadBucket(this.incomedQueues, hashIndex, "incomed");
        } catch (IOException e) {
            LOG.info("==> bucket-" + hashIndex + ", VertexID = " + dstVertID);
            LOG.info("size = " + meta.queueMap.get(dstVertID).size());
            throw new RuntimeException("==> bucket-" + hashIndex + ", VertexID = " + dstVertID, e);
        } finally {
            this.incomedFileLocks[hashIndex].unlock();
            /** Unlock */
        }
    }
    meta = this.incomedQueues.get(hashIndex);
    this.currentBucket = hashIndex;
    incomedQueue = meta.queueMap.remove(dstVertID);
    if (incomedQueue == null) {
        incomedQueue = new ConcurrentLinkedQueue<IMessage>();
    }
    int removedCount = incomedQueue.size();
    long removedLength = removedCount * this.sizeOfMessage;
    // Update the meta data.
    meta.count = meta.count - removedCount;
    meta.countInMemory = meta.countInMemory - removedCount;
    meta.length = meta.length - removedLength;
    meta.lengthInMemory = meta.lengthInMemory - removedLength;
    this.sizeOfMessagesDataInMem = this.sizeOfMessagesDataInMem - removedLength;
    this.countOfMessagesDataInMem = this.countOfMessagesDataInMem - removedCount;
    this.sizeOfHashMapsInMem = this.sizeOfHashMapsInMem
            - (sizeOfRef * 2 + (dstVertID.length() * sizeOfChar) + sizeOfEmptyMessageQueue);
    return incomedQueue;
}

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From source file:au.edu.unsw.soacourse.controller.CompanyController.java

@RequestMapping(value = "/companyRegister")
public String registerCompany(ModelMap model, HttpServletRequest req) throws Exception {
    // company details //TODO
    String name = req.getParameter("name");
    String industry = req.getParameter("industry");
    String employees = req.getParameter("employees");
    String location = req.getParameter("location");

    //manager details
    String firstname = req.getParameter("firstname");
    String lastname = req.getParameter("lastname");
    String manageremail = req.getParameter("email");
    String password = req.getParameter("password");
    String role = "app-manager";

    if (manageremail == null || manageremail.isEmpty() || password == null || password.isEmpty()
            || firstname == null || firstname.isEmpty() || lastname == null || lastname.isEmpty()
            || name == null || name.isEmpty() || industry == null || industry.isEmpty() || employees == null
            || employees.isEmpty() || location == null || location.isEmpty()) {
        model.addAttribute("emptyparam", 1);
        return "companyRegisterForm";
    }//www .jav  a2s  .c o  m

    RegisteredUsersDao dao = new RegisteredUsersDao();
    RegisteredUsers users = dao.getRegisteredUsers();
    dao.getRegisteredUsers();

    if (!dao.isUserRegistered(manageremail)) {
        RegisteredUser newUser = new RegisteredUser(manageremail, password, "manager");
        users.addUser(newUser);
        dao.setRegisteredUsers(users);

        req.getSession().setAttribute("companyid", Math.abs(manageremail.hashCode()));
        req.getSession().setAttribute("role", role);

        String queryString = "/company";
        WebClient client = WebClient.create(REST_URI + queryString);
        System.out.println("create company: " + REST_URI + queryString);

        client.header("SecurityKey", SECURITY_KEY);
        client.header("ShortKey", role);

        Form form = new Form();
        form.param("email", manageremail);
        form.param("name", name);
        form.param("industry", industry);
        form.param("employees", employees);
        form.param("location", location);
        client.post(form);

        WebClient userclient = WebClient.create(REST_URI + "/user");
        System.out.println("create user: " + REST_URI + "/user");

        userclient.header("SecurityKey", SECURITY_KEY);
        userclient.header("ShortKey", role);

        Form userform = new Form();
        userform.param("email", manageremail);
        userform.param("password", password);
        userform.param("firstname", firstname);
        userform.param("lastname", lastname);
        userclient.post(userform);

        return processCompanyLogin(model, req);
    } else {
        model.addAttribute("userexist", 1);
        return "registerForm";
    }
}

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From source file:com.strider.datadefender.functions.CoreFunctions.java

/**
 * Sets up a map, mapping a list of values to a list of shuffled values.
 * /*from   w  w  w  .j  a  v  a  2 s.  c  om*/
 * If the value is not mapped, the function guarantees returning the same
 * randomized value for a given column value - however it does not guarantee
 * that more than one column value do not have the same randomized value.
 * 
 * @param params
 * @return 
 */
private String getPredictableShuffledValueFor(final String name, final String value) {
    if (!predictableShuffle.containsKey(name)) {
        final List<String> list = stringLists.get(name);
        final List<String> shuffled = new ArrayList<>(list);
        Collections.shuffle(shuffled);

        final Map<String, String> smap = new HashMap<>();
        final Iterator<String> lit = list.iterator();
        final Iterator<String> sit = shuffled.iterator();
        while (lit.hasNext()) {
            smap.put(lit.next(), sit.next());
        }
        predictableShuffle.put(name, smap);
    }

    final Map<String, String> map = predictableShuffle.get(name);
    if (!map.containsKey(value)) {
        final String[] vals = map.values().toArray(new String[map.size()]);
        final int index = (int) Math.abs((long) value.hashCode()) % vals.length;
        return vals[index];
    }
    return map.get(value);
}

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From source file:com.ning.maven.plugins.duplicatefinder.DuplicateFinderMojo.java

/**
 * Calculates the SHA256 Hash of a class in a file.
 * //from   w w  w . ja  v  a 2 s. c  o  m
 * @param file the archive contains the class
 * @param resourcePath the name of the class
 * @return the MD% Hash as Hex-Value
 * @throws IOException if any error occurs on reading class in archive
 */
private String getSHA256HexOfElement(final File file, final String resourcePath) throws IOException {
    class Sha256CacheKey {
        final File file;
        final String resourcePath;

        Sha256CacheKey(File file, String resourcePath) {
            this.file = file;
            this.resourcePath = resourcePath;
        }

        public boolean equals(Object o) {
            if (this == o)
                return true;
            if (o == null || getClass() != o.getClass())
                return false;

            Sha256CacheKey key = (Sha256CacheKey) o;

            return file.equals(key.file) && resourcePath.equals(key.resourcePath);
        }

        public int hashCode() {
            return 31 * file.hashCode() + resourcePath.hashCode();
        }
    }

    final Sha256CacheKey key = new Sha256CacheKey(file, resourcePath);
    if (CACHED_SHA256.containsKey(key)) {
        return (String) CACHED_SHA256.get(key);
    }

    ZipFile zip = new ZipFile(file);
    ZipEntry zipEntry = zip.getEntry(resourcePath);
    if (zipEntry == null) {
        throw new IOException("Could not found Zip-Entry for " + resourcePath + " in file " + file);
    }

    String sha256;

    InputStream in = zip.getInputStream(zipEntry);
    try {
        sha256 = DigestUtils.sha256Hex(in);
    } finally {
        IOUtils.closeQuietly(in);
    }

    CACHED_SHA256.put(key, sha256);

    return sha256;
}

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From source file:fusion.Fusion.java

private static void getINASameAsLinks(File file) throws FileNotFoundException, IOException, URISyntaxException {
    try (BufferedReader br = new BufferedReader(new FileReader(file))) {
        StringBuilder sb = new StringBuilder();
        String line = br.readLine();

        while (line != null) {
            if (line.contains("owl:sameAs")) {
                sb.append(line);/*from  w w  w  .  j  a va 2s  .  com*/
                sb.append(System.lineSeparator());
            }
            line = br.readLine();

        }
        String linksString = sb.toString();
        String[] linksArray = linksString.split("\n");

        for (int i = 0; i < linksArray.length; i++) {

            String value1 = linksArray[i].substring(0, linksArray[i].indexOf(" owl:sameAs"));
            String value2 = linksArray[i].substring(linksArray[i].lastIndexOf("owl:sameAs ") + 11,
                    linksArray[i].length() - 1);

            value1 = StringUtils.removeStart(value1, "<");
            value2 = StringUtils.removeStart(value2, "<");
            value1 = StringUtils.removeStart(value1, "http://www.ina.fr/thesaurus/pp/");
            value2 = StringUtils.removeStart(value2, "http://www.ina.fr/thesaurus/pp/");
            value1 = StringUtils.removeStart(value1, "http://fr.dbpedia.org/resource/"); //
            value2 = StringUtils.removeStart(value2, "http://fr.dbpedia.org/resource/"); //
            value1 = StringUtils.removeEnd(value1, ".");
            value2 = StringUtils.removeEnd(value2, ".");
            value1 = StringUtils.removeEnd(value1, ">");
            value2 = StringUtils.removeEnd(value2, ">");

            if (!distinctURLs.containsKey(value1.hashCode()))
                distinctURLs.put(value1.hashCode(), new URI(value1));
            if (!distinctURLs.containsKey(value2.hashCode()))
                distinctURLs.put(value2.hashCode(), new URI(value2));

            links.add(new SameAsLink(distinctURLs.get(value1.hashCode()), distinctURLs.get(value2.hashCode()))); // adding same as links
        }

        for (Integer name : distinctURLs.keySet()) {
            Instance instance = new Instance(distinctURLs.get(name), null);
            if (distinctURLs.get(name).toString().contains("dbpedia"))
                instance.setSource(sources.get("fr.dbpedia.org"));

            else
                instance.setSource(sources.get("www.ina.fr"));
            instances.put(instance.getUri(), instance);
        }
    }
}

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From source file:it.eng.spagobi.tools.scheduler.jobs.CopyOfExecuteBIDocumentJob.java

private void saveAsDocument(DispatchContext sInfo, BIObject biobj, JobExecutionContext jex, byte[] response,
        String fileExt, IDataStore dataStore, String toBeAppendedToName, String toBeAppendedToDescription) {
    logger.debug("IN");
    try {//from www.jav a2s . co m
        String docName = sInfo.getDocumentName();
        if ((docName == null) || docName.trim().equals("")) {
            throw new Exception(" Document name not specified");
        }
        docName += toBeAppendedToName;
        String docDesc = sInfo.getDocumentDescription() + toBeAppendedToDescription;

        // recover office document sbidomains
        IDomainDAO domainDAO = DAOFactory.getDomainDAO();
        Domain officeDocDom = domainDAO.loadDomainByCodeAndValue("BIOBJ_TYPE", "OFFICE_DOC");
        // recover development sbidomains
        Domain relDom = domainDAO.loadDomainByCodeAndValue("STATE", "REL");
        // recover engine
        IEngineDAO engineDAO = DAOFactory.getEngineDAO();
        List engines = engineDAO.loadAllEnginesForBIObjectType(officeDocDom.getValueCd());
        if (engines.isEmpty()) {
            throw new Exception(" No suitable engines for the new document");
        }
        Engine engine = (Engine) engines.get(0);
        // load the template
        ObjTemplate objTemp = new ObjTemplate();
        objTemp.setActive(new Boolean(true));
        objTemp.setContent(response);
        objTemp.setName(docName + fileExt);
        // load all functionality
        /*orig
        List storeInFunctionalities = new ArrayList();
        String functIdsConcat = sInfo.getFunctionalityIds();
        String[] functIds =  functIdsConcat.split(",");
        for(int i=0; i<functIds.length; i++) {
           String functIdStr = functIds[i];
           if(functIdStr.trim().equals(""))
              continue;
           Integer functId = Integer.valueOf(functIdStr);
           storeInFunctionalities.add(functId);
        }*/
        List storeInFunctionalities = findFolders(sInfo, biobj, dataStore);
        if (storeInFunctionalities.isEmpty()) {
            throw new Exception(" No functionality specified where store the new document");
        }
        // create biobject

        String jobName = jex.getJobDetail().getName();
        String completeLabel = "scheduler_" + jobName + "_" + docName;
        String label = "sched_" + String.valueOf(Math.abs(completeLabel.hashCode()));

        BIObject newbiobj = new BIObject();
        newbiobj.setDescription(docDesc);
        newbiobj.setCreationUser("scheduler");
        newbiobj.setLabel(label);
        newbiobj.setName(docName);
        newbiobj.setEncrypt(new Integer(0));
        newbiobj.setEngine(engine);
        newbiobj.setDataSourceId(biobj.getDataSourceId());
        newbiobj.setRelName("");
        newbiobj.setBiObjectTypeCode(officeDocDom.getValueCd());
        newbiobj.setBiObjectTypeID(officeDocDom.getValueId());
        newbiobj.setStateCode(relDom.getValueCd());
        newbiobj.setStateID(relDom.getValueId());
        newbiobj.setVisible(new Integer(1));
        newbiobj.setFunctionalities(storeInFunctionalities);
        IBIObjectDAO objectDAO = DAOFactory.getBIObjectDAO();
        Timestamp aoModRecDate;
        BIObject biobjexist = objectDAO.loadBIObjectByLabel(label);
        if (biobjexist == null) {
            objectDAO.insertBIObject(newbiobj, objTemp);
        } else {
            newbiobj.setId(biobjexist.getId());
            objectDAO.modifyBIObject(newbiobj, objTemp);
        }
    } catch (Throwable t) {
        logger.error("Error while saving schedule result as new document", t);
    } finally {
        logger.debug("OUT");
    }
}

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From source file:github.daneren2005.dsub.service.RESTMusicService.java

private String getCachedMusicFoldersFilename(Context context) {
    String s = Util.getRestUrl(context, null);
    return "musicFolders-" + Math.abs(s.hashCode()) + ".ser";
}

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