Example usage for java.util.concurrent ConcurrentHashMap ConcurrentHashMap

List of usage examples for java.util.concurrent ConcurrentHashMap ConcurrentHashMap

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Introduction

In this page you can find the example usage for java.util.concurrent ConcurrentHashMap ConcurrentHashMap.

Prototype

public ConcurrentHashMap()

Source Link

Document

Creates a new, empty map with the default initial table size (16).

Usage

From source file:com.clustercontrol.maintenance.view.action.MaintenanceEnableAction.java

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {

    // ???//from   w ww .  ja v a  2 s.c o m
    this.viewPart = HandlerUtil.getActivePart(event);
    MaintenanceListView view = null;
    try {
        view = (MaintenanceListView) this.viewPart.getAdapter(MaintenanceListView.class);
    } catch (Exception e) {
        m_log.info("execute " + e.getMessage());
        return null;
    }

    if (view == null) {
        m_log.info("execute: view is null");
        return null;
    }

    MaintenanceListComposite composite = (MaintenanceListComposite) view.getListComposite();
    StructuredSelection selection = (StructuredSelection) composite.getTableViewer().getSelection();

    Object[] objs = selection.toArray();

    // 1????????
    if (objs.length == 0) {
        MessageDialog.openConfirm(null, Messages.getString("confirmed"),
                Messages.getString("message.maintenance.9"));
        return null;
    }

    // 1??????
    String[] args;
    StringBuffer targetList = new StringBuffer();
    StringBuffer successList = new StringBuffer();
    StringBuffer failureList = new StringBuffer();
    Map<String, List<String>> map = new ConcurrentHashMap<String, List<String>>();
    for (Object o : objs) {
        if (targetList.length() != 0) {
            targetList.append(", ");
        }
        String managerName = (String) ((ArrayList<?>) o).get(GetMaintenanceListTableDefine.MANAGER_NAME);
        if (map.get(managerName) == null) {
            map.put(managerName, new ArrayList<String>());
        }
    }
    for (Object o : objs) {
        if (targetList.length() != 0) {
            targetList.append(", ");
        }
        String managerName = (String) ((ArrayList<?>) o).get(GetMaintenanceListTableDefine.MANAGER_NAME);
        String maintenanceId = (String) ((ArrayList<?>) o).get(GetMaintenanceListTableDefine.MAINTENANCE_ID);
        targetList.append(maintenanceId);
        map.get(managerName).add(maintenanceId);
    }

    // ?(NG)
    args = new String[] { targetList.toString() };
    if (!MessageDialog.openConfirm(null, Messages.getString("confirmed"),
            Messages.getString("message.maintenance.14", args))) {
        return null;
    }

    boolean hasRole = true;
    // 
    for (Map.Entry<String, List<String>> entry : map.entrySet()) {
        String managerName = entry.getKey();
        MaintenanceEndpointWrapper wrapper = MaintenanceEndpointWrapper.getWrapper(managerName);
        for (String maintenanceId : entry.getValue()) {
            try {
                wrapper.setMaintenanceStatus(maintenanceId, true);
                successList.append(maintenanceId + "(" + managerName + ")" + "\n");
            } catch (InvalidRole_Exception e) {
                failureList.append(maintenanceId + "\n");
                m_log.warn("run() setMaintenanceStatus maintenanceId=" + maintenanceId + ", " + e.getMessage(),
                        e);
                hasRole = false;
            } catch (Exception e) {
                failureList.append(maintenanceId + "\n");
                m_log.warn("run() setMaintenanceStatus maintenanceId=" + maintenanceId + ", " + e.getMessage(),
                        e);
            }
        }
    }

    if (!hasRole) {
        // ????????
        MessageDialog.openInformation(null, Messages.getString("message"),
                Messages.getString("message.accesscontrol.16"));
    }

    // ?
    if (successList.length() != 0) {
        args = new String[] { successList.toString() };
        MessageDialog.openInformation(null, Messages.getString("successful"),
                Messages.getString("message.maintenance.18", args));
    }

    // 
    if (failureList.length() != 0) {
        args = new String[] { failureList.toString() };
        MessageDialog.openError(null, Messages.getString("failed"),
                Messages.getString("message.maintenance.19", args));
    }

    // ?
    composite.update();

    return null;
}

From source file:com.clustercontrol.maintenance.view.action.MaintenanceDisableAction.java

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {

    // ???//ww  w  . ja va2 s  . co m
    this.viewPart = HandlerUtil.getActivePart(event);
    MaintenanceListView view = null;
    try {
        view = (MaintenanceListView) this.viewPart.getAdapter(MaintenanceListView.class);
    } catch (Exception e) {
        m_log.info("execute " + e.getMessage());
        return null;
    }

    if (view == null) {
        m_log.info("execute: view is null");
        return null;
    }

    MaintenanceListComposite composite = (MaintenanceListComposite) view.getListComposite();
    StructuredSelection selection = (StructuredSelection) composite.getTableViewer().getSelection();

    Object[] objs = selection.toArray();

    // 1????????
    if (objs.length == 0) {
        MessageDialog.openConfirm(null, Messages.getString("confirmed"),
                Messages.getString("message.maintenance.9"));
        return null;
    }

    // 1??????
    String[] args;
    StringBuffer targetList = new StringBuffer();
    StringBuffer successList = new StringBuffer();
    StringBuffer failureList = new StringBuffer();
    Map<String, List<String>> map = new ConcurrentHashMap<String, List<String>>();
    for (Object o : objs) {
        if (targetList.length() != 0) {
            targetList.append(", ");
        }
        String managerName = (String) ((ArrayList<?>) o).get(GetMaintenanceListTableDefine.MANAGER_NAME);
        if (map.get(managerName) == null) {
            map.put(managerName, new ArrayList<String>());
        }
    }
    for (Object o : objs) {
        if (targetList.length() != 0) {
            targetList.append(", ");
        }
        String managerName = (String) ((ArrayList<?>) o).get(GetMaintenanceListTableDefine.MANAGER_NAME);
        String maintenanceId = (String) ((ArrayList<?>) o).get(GetMaintenanceListTableDefine.MAINTENANCE_ID);
        targetList.append(maintenanceId);
        map.get(managerName).add(maintenanceId);
    }

    // ?(NG)
    args = new String[] { targetList.toString() };
    if (!MessageDialog.openConfirm(null, Messages.getString("confirmed"),
            Messages.getString("message.maintenance.15", args))) {
        return null;
    }

    boolean hasRole = true;
    // 
    for (Map.Entry<String, List<String>> entry : map.entrySet()) {
        String managerName = entry.getKey();
        MaintenanceEndpointWrapper wrapper = MaintenanceEndpointWrapper.getWrapper(managerName);
        for (String maintenanceId : entry.getValue()) {
            try {
                wrapper.setMaintenanceStatus(maintenanceId, false);
                successList.append(maintenanceId + "(" + managerName + ")" + "\n");
            } catch (InvalidRole_Exception e) {
                failureList.append(maintenanceId + "\n");
                m_log.warn("run() setNotifyStatus targetId=" + maintenanceId + ", " + e.getMessage(), e);
                hasRole = false;
            } catch (Exception e) {
                failureList.append(maintenanceId + "\n");
                m_log.warn("run() setMaintenanceStatus maintenanceId=" + maintenanceId + ", " + e.getMessage(),
                        e);
            }
        }
    }

    if (!hasRole) {
        // ????????
        MessageDialog.openInformation(null, Messages.getString("message"),
                Messages.getString("message.accesscontrol.16"));
    }

    // ?
    if (successList.length() != 0) {
        args = new String[] { successList.toString() };
        MessageDialog.openInformation(null, Messages.getString("successful"),
                Messages.getString("message.maintenance.20", args));
    }

    // 
    if (failureList.length() != 0) {
        args = new String[] { failureList.toString() };
        MessageDialog.openError(null, Messages.getString("failed"),
                Messages.getString("message.maintenance.21", args));
    }

    // ?
    composite.update();

    return null;
}

From source file:be.solidx.hot.test.TestScriptExecutors.java

@SuppressWarnings("rawtypes")
private Collection<Long> multiThreadedTest(final Script script, final int max,
        final ScriptExecutor scriptExecutor) throws InterruptedException {
    final int iterations = 100;
    ExecutorService executor = Executors.newFixedThreadPool(8);
    final ConcurrentHashMap<String, Long> results = new ConcurrentHashMap<String, Long>();
    final ConcurrentHashMap<String, Long> avgs = new ConcurrentHashMap<String, Long>();
    long benchStart = System.currentTimeMillis();
    for (int i = 0; i < iterations; i++) {
        Runnable runnable = new Runnable() {
            @SuppressWarnings("unchecked")
            @Override/*from   w ww  .  j a v a  2s  .  c o m*/
            public void run() {
                try {
                    long res = 0;
                    Map<String, Object> parameters = new HashMap<String, Object>();
                    parameters.put("i", new Integer(max));
                    parameters.put("n", new Integer(0));

                    //long starting = System.currentTimeMillis();
                    Object object = scriptExecutor.execute(script, parameters);
                    if (object instanceof Bindings) {
                        Bindings bindings = (Bindings) object;
                        res = (Integer) bindings.get("result");
                        bindings.clear();
                    } else if (object instanceof Double) {
                        res = Math.round((Double) object);
                    } else if (object instanceof Long) {
                        res = (long) object;
                    } else
                        res = new Long((Integer) object);
                    long end = System.currentTimeMillis() - avgs.get(this.toString());
                    results.put(UUID.randomUUID().getLeastSignificantBits() + "", res);
                    avgs.put(this.toString(), end);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        };
        avgs.put(runnable.toString(), System.currentTimeMillis());
        executor.submit(runnable);
    }

    while (results.size() < iterations) {
        Thread.sleep(50);
    }
    //Thread.sleep(20000);
    double sum = 0;
    for (Long value : avgs.values()) {
        sum += value;
    }
    System.out.println((sum / (double) iterations) + "");
    System.out.println("==== Time needed for all requests: " + (System.currentTimeMillis() - benchStart));
    results.remove("avg");
    executor = null;
    return results.values();
}

From source file:com.orange.cepheus.broker.persistence.SubscriptionsRepository.java

/**
 * Get all subscriptions saved/* w w  w . j  a  v  a 2s  . c o  m*/
 * @return subscriptions map
 * @throws SubscriptionPersistenceException
 */
public Map<String, Subscription> getAllSubscriptions() throws SubscriptionPersistenceException {
    Map<String, Subscription> subscriptions = new ConcurrentHashMap<>();
    try {
        List<Subscription> subscriptionList = jdbcTemplate.query(
                "select id, expirationDate, subscribeContext from t_subscriptions",
                (ResultSet rs, int rowNum) -> {
                    Subscription subscription = new Subscription();
                    try {
                        subscription.setSubscriptionId(rs.getString("id"));
                        subscription.setExpirationDate(Instant.parse(rs.getString("expirationDate")));

                        subscription.setSubscribeContext(
                                mapper.readValue(rs.getString("subscribeContext"), SubscribeContext.class));
                    } catch (IOException e) {
                        throw new SQLException(e);
                    }
                    return subscription;
                });
        subscriptionList
                .forEach(subscription -> subscriptions.put(subscription.getSubscriptionId(), subscription));
    } catch (DataAccessException e) {
        throw new SubscriptionPersistenceException(e);
    }
    return subscriptions;
}

From source file:com.taobao.metamorphosis.storm.spout.MetaSpout.java

@Override
public void open(final Map conf, final TopologyContext context, final SpoutOutputCollector collector) {
    final String topic = (String) conf.get(TOPIC);
    if (topic == null) {
        throw new IllegalArgumentException(TOPIC + " is null");
    }//from  www .jav  a 2  s  . c  o  m
    Integer maxSize = (Integer) conf.get(FETCH_MAX_SIZE);
    if (maxSize == null) {
        log.warn("Using default FETCH_MAX_SIZE");
        maxSize = DEFAULT_MAX_SIZE;
    }
    this.id2wrapperMap = new ConcurrentHashMap<Long, MetaMessageWrapper>();
    this.messageQueue = new LinkedTransferQueue<MetaMessageWrapper>();
    try {
        this.collector = collector;
        this.setUpMeta(topic, maxSize);
    } catch (final MetaClientException e) {
        log.error("Setup meta consumer failed", e);
    }
}

From source file:com.b5m.banx.counter.MetaSpout.java

public void open(final Map conf, final TopologyContext context, final SpoutOutputCollector collector) {
    final String topic = (String) conf.get(TOPIC);
    if (topic == null) {
        throw new IllegalArgumentException(TOPIC + " is null");
    }//ww w.java 2s. c  o m
    Integer maxSize = (Integer) conf.get(FETCH_MAX_SIZE);
    if (maxSize == null) {
        log.warn("Using default FETCH_MAX_SIZE");
        maxSize = DEFAULT_MAX_SIZE;
    }
    this.id2wrapperMap = new ConcurrentHashMap<Long, MetaMessageWrapper>();
    this.messageQueue = new LinkedTransferQueue<MetaMessageWrapper>();
    try {
        this.collector = collector;
        this.setUpMeta(topic, maxSize);
    } catch (final MetaClientException e) {
        log.error("Setup meta consumer failed", e);
    }
}

From source file:com.clustercontrol.hub.view.action.LogFormatDeleteAction.java

/**
 * Handler execution//from  w ww  .ja va 2  s  . c o  m
 */
@Override
public Object execute(final ExecutionEvent event) throws ExecutionException {
    this.window = HandlerUtil.getActiveWorkbenchWindow(event);
    // In case this action has been disposed
    if (null == this.window || !isEnabled()) {
        return null;
    }

    this.viewPart = HandlerUtil.getActivePart(event);

    // []?????ID?
    LogFormatView view = (LogFormatView) this.viewPart.getAdapter(LogFormatView.class);

    if (view == null) {
        m_log.info("execute: view is null");
        return null;
    }

    Map<String, List<String>> map = view.getSelectedItem();

    String[] args = new String[1];
    String msg = null;
    String endMsg = null;

    int i = 0;
    int deleteSize = 0;
    String formatId = null;
    for (Map.Entry<String, List<String>> entry : map.entrySet()) {
        for (String id : entry.getValue()) {
            formatId = id;
            deleteSize++;
        }
    }

    if (deleteSize > 0) {
        // ???????????
        if (deleteSize == 1) {
            msg = "message.hub.log.format.delete.single";
            endMsg = "message.hub.log.format.delete.single.finish";
            args[0] = formatId;
        } else {
            msg = "message.hub.log.format.delete.multi";
            endMsg = "message.hub.log.format.delete.multi.finish";
            args[0] = String.valueOf(deleteSize);
        }

        Map<String, String> errorMsgs = new ConcurrentHashMap<>();
        StringBuffer messageArg = new StringBuffer();
        i = 0;

        if (MessageDialog.openConfirm(null, Messages.getString("confirmed"), Messages.getString(msg, args))) {
            for (Map.Entry<String, List<String>> entry : map.entrySet()) {
                String managerName = entry.getKey();
                HubEndpointWrapper wrapper = HubEndpointWrapper.getWrapper(managerName);
                if (i > 0) {
                    messageArg.append(", ");
                }
                messageArg.append(managerName);
                try {
                    wrapper.deleteLogFormat(entry.getValue());
                } catch (Exception e) {
                    if (e instanceof InvalidRole_Exception) {
                        // ???
                        errorMsgs.put(managerName, Messages.getString("message.accesscontrol.16"));
                    } else if (e instanceof LogFormatUsed_Exception) {
                        errorMsgs.put(managerName, HinemosMessage.replace(e.getMessage()));
                    } else {
                        errorMsgs.put(managerName, Messages.getString("message.hub.log.format.delete.failed")
                                + ", " + e.getMessage());
                    }
                }
                i++;
            }

            //
            if (0 < errorMsgs.size()) {
                UIManager.showMessageBox(errorMsgs, true);
            } else {
                // ??
                MessageDialog.openInformation(null, Messages.getString("successful"),
                        Messages.getString(endMsg, args));
            }

            // 
            view.update();
        }
    }
    return null;
}

From source file:com.bzcentre.dapiPush.DapiReceiver.java

public DapiReceiver() {
    try {/*from  www . ja v  a  2s.c o m*/
        fcmProxy = FcmProxy.prepareClient();
        dbconn = connectMySql();
        stmt = dbconn.createStatement();
        BLKCheck = dbconn.createStatement();
        serverSentEventSubscribers = Collections.newSetFromMap(new ConcurrentHashMap<>());
        NginxClojureRT.getAppEventListenerManager().addListener(this);
    } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | SQLException e1) {
        NginxClojureRT.log.info(TAG + "Database connecting failed..." + e1.getMessage());
    } catch (CertificateException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

From source file:com.ibasco.agql.protocols.valve.source.query.client.SourceRconClient.java

/**
 * Some games (e.g. Minecraft) do not support terminator packets, if this is the case and you get an
 * error after sending a command, try to disable this feature by setting the <code>sendTerminatingPacket</code> flag
 * to <code>false</code>.// www .j  ava2s.  c  o m
 *
 * @param sendTerminatingPacket
 *         Set to <code>true</code> to send terminator packets for every command.
 */
public SourceRconClient(boolean sendTerminatingPacket) {
    super(new SourceRconMessenger(sendTerminatingPacket));
    credentialsMap = new ConcurrentHashMap<>();
}

From source file:ai.grakn.client.LoaderClient.java

public LoaderClient(String keyspace, String uri, Consumer<Json> onCompletionOfTask) {
    this.uri = uri;
    this.keyspace = keyspace;
    this.queries = new HashSet<>();
    this.futures = new ConcurrentHashMap<>();
    this.onCompletionOfTask = onCompletionOfTask;
    this.batchNumber = new AtomicInteger(0);

    setBatchSize(25);//from w ww .j  a v a2 s.  c  om
    setNumberActiveTasks(25);
}