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.uber.tchannel.ping.PingClient.java

public void run() throws Exception {
    TChannel tchannel = new TChannel.Builder("ping-client").build();
    SubChannel subChannel = tchannel.makeSubChannel("ping-server");
    final ConcurrentHashMap<String, Integer> msgs = new ConcurrentHashMap<String, Integer>();
    final CountDownLatch done = new CountDownLatch(requests);

    for (int i = 0; i < requests; i++) {
        JsonRequest<Ping> request = new JsonRequest.Builder<Ping>("ping-server", "ping")
                .setBody(new Ping("{'key': 'ping?'}")).setHeader("some", "header").setTimeout(100 + i).build();
        TFuture<JsonResponse<Pong>> f = subChannel.send(request, InetAddress.getByName(host), port);

        f.addCallback(new TFutureCallback<JsonResponse<Pong>>() {
            @Override/*w  w w  .j av a2  s.com*/
            public void onResponse(JsonResponse<Pong> pongResponse) {
                done.countDown();
                String msg = pongResponse.toString();
                if (msgs.containsKey(msg)) {
                    msgs.put(msg, msgs.get(msg) + 1);
                } else {
                    msgs.put(msg, 1);
                }
            }
        });
    }

    done.await();
    for (String msg : msgs.keySet()) {
        System.out.println(String.format("%s\n\tcount:%d", msg, msgs.get(msg)));
    }

    tchannel.shutdown(false);
}

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

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    // ???// w w w .j  ava 2s. 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();

    List<?> list = (List<?>) selection.toList();

    Map<String, List<String>> map = new ConcurrentHashMap<String, List<String>>();
    for (Object obj : list) {
        List<?> objList = (List<?>) obj;
        String managerName = (String) objList.get(GetMaintenanceListTableDefine.MANAGER_NAME);
        if (map.get(managerName) == null) {
            map.put(managerName, new ArrayList<String>());
        }
    }

    StringBuffer maintenanceId = new StringBuffer();
    for (Object obj : list) {
        List<?> objList = (List<?>) obj;
        String managerName = (String) objList.get(GetMaintenanceListTableDefine.MANAGER_NAME);
        String id = (String) objList.get(GetMaintenanceListTableDefine.MAINTENANCE_ID);
        map.get(managerName).add(id);
        if (maintenanceId.length() > 0) {
            maintenanceId.append(", ");
        }
        maintenanceId.append(id + "(" + managerName + ")");
    }

    // ?????????
    if (map.isEmpty()) {
        MessageDialog.openWarning(null, Messages.getString("warning"),
                Messages.getString("message.maintenance.9"));
        return null;
    }

    String[] args = { maintenanceId.toString() };

    if (MessageDialog.openConfirm(null, Messages.getString("confirmed"),
            Messages.getString("message.maintenance.7", args)) == false) {

        return null;
    }

    Map<String, String> errorMsgs = new ConcurrentHashMap<>();
    for (Map.Entry<String, List<String>> entry : map.entrySet()) {
        String managerName = entry.getKey();
        MaintenanceEndpointWrapper wrapper = MaintenanceEndpointWrapper.getWrapper(managerName);
        for (String val : entry.getValue()) {
            try {
                wrapper.deleteMaintenance(val);
            } catch (InvalidRole_Exception e) {
                errorMsgs.put(managerName, Messages.getString("message.accesscontrol.16"));
            } catch (Exception e) {
                m_log.warn("run(), " + e.getMessage(), e);
                errorMsgs.put(managerName, Messages.getString("message.hinemos.failure.unexpected")
                        + HinemosMessage.replace(e.getMessage()));
            }
        }
    }

    //
    if (0 < errorMsgs.size()) {
        UIManager.showMessageBox(errorMsgs, true);
    } else {
        MessageDialog.openInformation(null, Messages.getString("successful"),
                Messages.getString("message.maintenance.5", args));
    }

    composite.update();
    return null;
}

From source file:de.thm.arsnova.FeedbackStorage.java

@Transactional(isolation = Isolation.READ_COMMITTED)
public void saveFeedback(final Session session, final int value, final User user) {
    if (data.get(session) == null) {
        data.put(session, new ConcurrentHashMap<User, FeedbackStorageObject>());
    }//from w ww . ja  v  a 2  s  . c o  m

    data.get(session).put(user, new FeedbackStorageObject(value, user));
}

From source file:org.apache.hadoop.gateway.GatewayPortMappingFuncTest.java

/**
 * Creates a deployment of a gateway instance that all test methods will share.  This method also creates a
 * registry of sorts for all of the services that will be used by the test methods.
 * The createTopology method is used to create the topology file that would normally be read from disk.
 * The driver.setupGateway invocation is where the creation of GATEWAY_HOME occurs.
 * <p/>/*  www . jav a 2  s .  c o  m*/
 * This would normally be done once for this suite but the failure tests start affecting each other depending
 * on the state the last 'active' url
 *
 * @throws Exception Thrown if any failure occurs.
 */
@Before
public void setup() throws Exception {
    LOG_ENTER();

    eeriePort = getAvailablePort(1240, 49151);

    ConcurrentHashMap<String, Integer> topologyPortMapping = new ConcurrentHashMap<String, Integer>();
    topologyPortMapping.put("eerie", eeriePort);

    masterServer = new MockServer("master", true);
    GatewayTestConfig config = new GatewayTestConfig();
    config.setGatewayPath("gateway");
    config.setTopologyPortMapping(topologyPortMapping);

    driver.setResourceBase(WebHdfsHaFuncTest.class);
    driver.setupLdap(0);

    driver.setupService("WEBHDFS", "http://vm.local:50070/webhdfs", "/eerie/webhdfs", USE_MOCK_SERVICES);

    driver.setupGateway(config, "eerie", createTopology("WEBHDFS"), USE_GATEWAY);

    LOG_EXIT();
}

From source file:com.honnix.jaxo.core.internal.services.PoolableCoreServiceImpl.java

public PoolableCoreServiceImpl() {
    super();//from  w  w  w .  j a v  a 2  s . com

    objectPoolMap = new HashMap<String, ObjectPool>();
    validatorObjectPoolMap = new ConcurrentHashMap<Schema, ObjectPool<Validator>>();
}

From source file:com.clustercontrol.infra.view.action.DeleteInfraManagementAction.java

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    this.window = HandlerUtil.getActiveWorkbenchWindow(event);
    // In case this action has been disposed
    if (null == this.window || !isEnabled()) {
        return null;
    }//  w  w  w  .java 2  s.c om

    // ???
    this.viewPart = HandlerUtil.getActivePart(event);
    if (!(viewPart instanceof InfraManagementView)) {
        return null;
    }

    InfraManagementView view = (InfraManagementView) viewPart;

    StructuredSelection selection = null;
    if (view.getComposite().getTableViewer().getSelection() instanceof StructuredSelection) {
        selection = (StructuredSelection) view.getComposite().getTableViewer().getSelection();
    }

    StringBuffer strManagementIds = new StringBuffer();
    String tmpManagementId = null;
    Map<String, List<String>> map = new ConcurrentHashMap<String, List<String>>();
    if (selection != null) {
        for (Object object : selection.toList()) {
            String managerName = (String) ((ArrayList<?>) object)
                    .get(GetInfraManagementTableDefine.MANAGER_NAME);
            if (map.get(managerName) == null) {
                map.put(managerName, new ArrayList<String>());
            }
        }

        for (Object object : selection.toList()) {
            String managerName = (String) ((ArrayList<?>) object)
                    .get(GetInfraManagementTableDefine.MANAGER_NAME);
            tmpManagementId = (String) ((ArrayList<?>) object).get(GetInfraManagementTableDefine.MANAGEMENT_ID);
            map.get(managerName).add(tmpManagementId);
            strManagementIds.append(tmpManagementId + ", ");

        }
        strManagementIds.setLength(strManagementIds.length() - 2);

        if (MessageDialog.openConfirm(null, Messages.getString("confirmed"),
                Messages.getString("message.infra.confirm.action",
                        new Object[] { Messages.getString("infra.management.id"), Messages.getString("delete"),
                                strManagementIds }))) {
            Map<String, String> errMsg = new ConcurrentHashMap<String, String>();
            for (Map.Entry<String, List<String>> entry : map.entrySet()) {
                String managerName = entry.getKey();
                InfraEndpointWrapper wrapper = InfraEndpointWrapper.getWrapper(managerName);
                List<String> managementIds = entry.getValue();
                try {
                    wrapper.deleteInfraManagement(managementIds);
                } catch (InvalidRole_Exception e) {
                    // ???
                    errMsg.put(managerName, Messages.getString("message.accesscontrol.16"));
                } catch (InfraManagementNotFound_Exception | HinemosUnknown_Exception
                        | InvalidUserPass_Exception | NotifyNotFound_Exception e) {
                    m_log.debug("execute() : " + e.getClass() + e.getMessage());
                    String arg = Messages.getString("message.infra.action.result",
                            new Object[] { Messages.getString("infra.management.id"),
                                    Messages.getString("delete"), Messages.getString("failed"),
                                    HinemosMessage.replace(e.getMessage()) });
                    errMsg.put(managerName, arg);
                }
            }

            if (errMsg.isEmpty()) {
                MessageDialog.openInformation(null, Messages.getString("confirmed"),
                        Messages.getString("message.infra.action.result",
                                new Object[] { Messages.getString("infra.management.id"),
                                        Messages.getString("delete"), Messages.getString("successful"),
                                        strManagementIds }));
            } else {
                UIManager.showMessageBox(errMsg, true);
            }
            view.update();
        }
    }
    return null;
}

From source file:com.zia.freshdocs.preference.CMISPreferencesManager.java

@SuppressWarnings("unchecked")
protected Map<String, CMISHost> readPreferences(Context ctx) {
    ConcurrentHashMap<String, CMISHost> prefs = new ConcurrentHashMap<String, CMISHost>();
    SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(ctx);
    String encPrefs = null;/*from   ww w  . ja  v a 2s  .  c o  m*/

    if (sharedPrefs.contains(SERVERS_KEY)) {
        encPrefs = sharedPrefs.getString(SERVERS_KEY, null);

        if (encPrefs != null) {
            byte[] repr = Base64.decodeBase64(encPrefs.getBytes());
            Object obj = SerializationUtils.deserialize(repr);

            if (obj != null) {
                prefs = (ConcurrentHashMap<String, CMISHost>) obj;
            }
        }
    }

    return prefs;
}

From source file:com.graphaware.reco.generic.stats.DefaultStatistics.java

private ConcurrentMap<String, Object> getStatistics(String task) {
    ConcurrentMap<String, Object> taskStats = stats.get(task);

    if (taskStats == null) {
        stats.putIfAbsent(task, new ConcurrentHashMap<String, Object>());
        taskStats = stats.get(task);/*from  w  ww  . ja  va  2s  .  c  om*/
    }
    return taskStats;
}

From source file:ai.susi.mind.SusiMind.java

public SusiMind(File initpath, File watchpath, File memorypath) {
    // initialize class objects
    this.initpath = initpath;
    if (this.initpath != null)
        this.initpath.mkdirs(); // a dream does not have that
    this.watchpath = watchpath;
    if (this.watchpath != null)
        this.watchpath.mkdirs(); // a dream does not have that
    this.memorypath = memorypath;
    if (this.memorypath != null)
        this.memorypath.mkdirs(); // a dream SHOULD have that
    this.skilltrigger = new ConcurrentHashMap<>();
    this.observations = new HashMap<>();
    this.reader = new SusiReader();
    this.memories = new SusiMemory(memorypath, ATTENTION_TIME);
    try {/* w w  w . j  ava2 s  . c  o  m*/
        observe();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    // ???//from   ww w  .ja v a2  s. c  o m
    this.viewPart = HandlerUtil.getActivePart(event);
    HinemosPropertyView view = null;
    try {
        view = (HinemosPropertyView) this.viewPart.getAdapter(HinemosPropertyView.class);
    } catch (Exception e) {
        m_log.info("execute " + e.getMessage());
        return null;
    }

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

    HinemosPropertyComposite composite = (HinemosPropertyComposite) view.getComposite();
    StructuredSelection selection = (StructuredSelection) composite.getTableViewer().getSelection();

    List<?> list = (List<?>) selection.toList();
    Map<String, List<String>> map = new ConcurrentHashMap<String, List<String>>();
    for (Object obj : list) {
        List<?> objList = (List<?>) obj;
        String managerName = (String) objList.get(GetHinemosPropertyTableDefine.MANAGER_NAME);
        if (map.get(managerName) == null) {
            map.put(managerName, new ArrayList<String>());
        }
    }

    int size = 0;
    StringBuilder key = new StringBuilder();
    for (Object obj : list) {
        List<?> objList = (List<?>) obj;
        String managerName = (String) objList.get(GetHinemosPropertyTableDefine.MANAGER_NAME);
        String k = (String) objList.get(GetHinemosPropertyTableDefine.KEY);
        map.get(managerName).add(k);
        if (size > 0) {
            key.append(", ");
        }
        key.append(k + "(" + managerName + ")");
        size++;
    }

    // ?????????
    if (map.isEmpty()) {
        MessageDialog.openWarning(null, Messages.getString("warning"),
                Messages.getString("message.maintenance.9"));
        return null;
    }

    String[] args = { key.toString() };

    if (MessageDialog.openConfirm(null, Messages.getString("confirmed"),
            Messages.getString("message.maintenance.7", args)) == false) {

        return null;
    }

    // ?????????
    Map<String, String> errorMsgs = new ConcurrentHashMap<>();
    for (Map.Entry<String, List<String>> entry : map.entrySet()) {
        String managerName = entry.getKey();
        HinemosPropertyEndpointWrapper wrapper = HinemosPropertyEndpointWrapper.getWrapper(managerName);
        for (String val : entry.getValue()) {
            try {
                wrapper.deleteHinemosProperty(val);
            } catch (InvalidRole_Exception e) {
                errorMsgs.put(managerName, Messages.getString("message.accesscontrol.16"));
            } catch (Exception e) {
                m_log.warn("run(), " + e.getMessage(), e);
                errorMsgs.put(managerName, Messages.getString("message.hinemos.failure.unexpected")
                        + HinemosMessage.replace(e.getMessage()));
            }
        }
    }

    //
    if (0 < errorMsgs.size()) {
        UIManager.showMessageBox(errorMsgs, true);
    } else {
        MessageDialog.openInformation(null, Messages.getString("successful"),
                Messages.getString("message.hinemos.property.6", args));
    }

    composite.update();
    return null;
}