Example usage for java.util.concurrent CopyOnWriteArrayList iterator

Introduction

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

Prototype

public Iterator<E> iterator() 

Source Link

Document

Returns an iterator over the elements in this list in proper sequence.

Usage

From source file:eu.tango.energymodeller.datasourceclient.WattsUpMeterDataSourceAdaptor.java

@Override
public synchronized double getCpuUtilisation(Host host, int lastNSeconds) {
    double count = 0.0;
    double sumOfUtil = 0.0;
    GregorianCalendar cal = new GregorianCalendar();
    long now = TimeUnit.MILLISECONDS.toSeconds(cal.getTimeInMillis());
    long nowMinustime = now - lastNSeconds;
    CopyOnWriteArrayList<CPUUtilisation> list = new CopyOnWriteArrayList<>();
    list.addAll(cpuMeasure);//from ww  w .j  a  v  a  2s.  c  om
    for (Iterator<CPUUtilisation> it = list.iterator(); it.hasNext();) {
        CPUUtilisation util = it.next();
        if (util.isOlderThan(nowMinustime)) {
            list.remove(util);
            cpuMeasure.remove(util);
        } else {
            sumOfUtil = sumOfUtil + util.getCpuBusy();
            count = count + 1;
        }
    }
    if (count == 0) {
        return 0.0;
    }
    return sumOfUtil / count;
}

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From source file:org.wso2.carbon.event.input.adaptor.websocket.local.WebsocketLocalEventAdaptorType.java

@Override
public void unsubscribe(InputEventAdaptorMessageConfiguration inputEventAdaptorMessageConfiguration,
        InputEventAdaptorConfiguration inputEventAdaptorConfiguration, AxisConfiguration axisConfiguration,
        String subscriptionId) {/* w  ww. j  a va 2  s  . c  om*/
    int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
    String topic = inputEventAdaptorMessageConfiguration.getInputMessageProperties()
            .get(WebsocketLocalEventAdaptorConstants.ADAPTOR_MESSAGE_TOPIC);
    Map<String, ConcurrentHashMap<String, CopyOnWriteArrayList<WebsocketAdaptorListener>>> tenantSpecificListenerMap = inputEventAdaptorListenerMap
            .get(tenantId);
    if (tenantSpecificListenerMap != null) {
        Map<String, CopyOnWriteArrayList<WebsocketAdaptorListener>> adaptorSpecificListeners = tenantSpecificListenerMap
                .get(inputEventAdaptorConfiguration.getName());
        if (adaptorSpecificListeners != null) {
            CopyOnWriteArrayList<WebsocketAdaptorListener> topicSpecificListeners = adaptorSpecificListeners
                    .get(topic);
            if (topicSpecificListeners != null) {
                for (Iterator<WebsocketAdaptorListener> iterator = topicSpecificListeners.iterator(); iterator
                        .hasNext();) {
                    WebsocketAdaptorListener websocketAdaptorListener = iterator.next();
                    if (subscriptionId.equals(websocketAdaptorListener.getSubscriptionId())) {
                        iterator.remove();
                        break;
                    }
                }
            }
        }
    }
}

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From source file:org.wso2.carbon.event.input.adaptor.websocket.WebsocketEventAdaptorType.java

@Override
public void unsubscribe(InputEventAdaptorMessageConfiguration inputEventAdaptorMessageConfiguration,
        InputEventAdaptorConfiguration inputEventAdaptorConfiguration, AxisConfiguration axisConfiguration,
        String subscriptionId) {/*from  www  . jav  a  2 s . c  om*/
    int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
    String topic = inputEventAdaptorMessageConfiguration.getInputMessageProperties()
            .get(WebsocketEventAdaptorConstants.ADAPTOR_MESSAGE_TOPIC);
    String socketServerUrl = inputEventAdaptorConfiguration.getInputProperties()
            .get(WebsocketEventAdaptorConstants.ADAPTER_SERVER_URL);

    Map<String, ConcurrentHashMap<String, CopyOnWriteArrayList<ClientManagerWrapper>>> tenantSpecificAdaptorMap = inputEventAdaptorClientManagerMap
            .get(tenantId);
    if (tenantSpecificAdaptorMap != null) {
        ConcurrentHashMap<String, CopyOnWriteArrayList<ClientManagerWrapper>> adaptorSpecificTopicMap = tenantSpecificAdaptorMap
                .get(inputEventAdaptorConfiguration.getName());

        if (adaptorSpecificTopicMap != null) {
            CopyOnWriteArrayList<ClientManagerWrapper> topicSpecificClientManagers = adaptorSpecificTopicMap
                    .get(topic);
            if (topicSpecificClientManagers != null) {
                for (Iterator<ClientManagerWrapper> iterator = topicSpecificClientManagers.iterator(); iterator
                        .hasNext();) {
                    ClientManagerWrapper clientManagerWrapper = iterator.next();
                    if (subscriptionId.equals(clientManagerWrapper.getSubscriptionId())) {
                        iterator.remove();
                        break;
                    }
                }
            }
        }
    }
}

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From source file:ypcnv.converter.mainFrame.MainFrame.java

/**
 * Check configurations for nulls, arrange them, etc.
 * @param confsList - configurations to be processed.
 *///from  w  w w .jav  a  2 s  .c om
private void refactorConfigurations(ArrayList<DataSourceConf> confsList) {
    CopyOnWriteArrayList<DataSourceConf> confs = new CopyOnWriteArrayList<DataSourceConf>();
    confs.addAll(confsList);

    srcObjectConfig = null;
    dstObjectConfig = null;

    for (DataSourceConf config : confs) {
        Side side = config.getSide();
        if (side == null) {
            side = Side.heath;
        }
        switch (side) {
        case source:
            srcObjectConfig = new DataSourceConf(config);
            confsList.remove(config);
            break;
        case destination:
            dstObjectConfig = new DataSourceConf(config);
            confsList.remove(config);
            break;
        }
    }

    int quantityOfWantedDataSources = 2;
    for (int idx = 0; idx < confs.size() && idx < quantityOfWantedDataSources && confs.size() > 0; idx++) {
        Iterator<DataSourceConf> iter = confs.iterator();
        while (iter.hasNext()) {
            DataSourceConf conf = iter.next();
            if (srcObjectConfig == null) {
                srcObjectConfig = conf;
                confsList.remove(conf);
            } else if (dstObjectConfig == null) {
                dstObjectConfig = conf;
                confsList.remove(conf);
            }

        }
    }

    if (srcObjectConfig == null) {
        srcObjectConfig = new DataSourceConf(null, null, null);
    }
    if (dstObjectConfig == null) {
        dstObjectConfig = new DataSourceConf(null, null, null);
    }

    confsList = new ArrayList<DataSourceConf>();
    confsList.add(srcObjectConfig);
    confsList.add(dstObjectConfig);

}

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