Example usage for javax.management.j2ee.statistics Stats getStatistic

Introduction

In this page you can find the example usage for javax.management.j2ee.statistics Stats getStatistic.

Prototype

Statistic getStatistic(String statisticName);

Source Link

Document

Get a Statistic by name.

Usage

From source file:org.hyperic.hq.plugin.jboss.JBossUtil.java

static Double getJSR77Statistic(MBeanServerConnection mServer, ObjectName objName, Metric metric, boolean lc)
        throws MetricNotFoundException, MetricInvalidException, MetricUnreachableException, PluginException {

    //jboss changed attribute case in version 4.0
    String[] attrs;// w  w w . j a v  a 2s .  co  m
    if (lc) {
        attrs = STAT_PROVIDER_4;
    } else {
        attrs = STAT_PROVIDER;
    }

    Stats stats;
    try {
        Boolean provider = (Boolean) mServer.getAttribute(objName, attrs[0]);
        if ((provider == null) || !provider.booleanValue()) {
            String msg = "MBeanServerConnection does not provide statistics";
            throw new PluginException(msg);
        }

        stats = (Stats) mServer.getAttribute(objName, attrs[1]);
    } catch (RemoteException e) {
        throw unreachable(metric, e);
    } catch (InstanceNotFoundException e) {
        throw notfound(metric, e);
    } catch (AttributeNotFoundException e) {
        throw notfound(metric, e);
    } catch (ReflectionException e) {
        throw error(metric, e);
    } catch (MBeanException e) {
        throw error(metric, e);
    } catch (IOException e) {
        throw error(metric, e);
    }

    if (stats == null) {
        throw new PluginException("MBeanServerConnection has no stats");
    }

    String statName = metric.getAttributeName().substring(9);
    Statistic stat = stats.getStatistic(statName);
    if (stat == null) {
        String msg = "Statistic '" + statName + "' not found [" + metric + "]";
        throw new MetricNotFoundException(msg);
    }

    long value;
    if (stat instanceof CountStatistic) {
        value = ((CountStatistic) stat).getCount();
    } else if (stat instanceof RangeStatistic) {
        value = ((RangeStatistic) stat).getCurrent();
    } else {
        String msg = "Unsupported statistic type [" + statName.getClass().getName() + " for [" + metric + "]";
        throw new MetricInvalidException(msg);
    }

    return new Double(value);
}

---

From source file:org.hyperic.hq.plugin.websphere.WebsphereCollector.java

protected final double getStatCount(Stats stats, String metric) {
    Statistic stat = stats.getStatistic(metric);
    if (stat == null) {
        return MetricValue.VALUE_NONE;
    }//  www.  j a  v a2  s. c  om
    return getStatCount(stat);
}

---

From source file:org.hyperic.hq.product.jmx.MxUtil.java

static Double getJSR77Statistic(MBeanServerConnection mServer, ObjectName objName, String attribute)
        throws MalformedURLException, MalformedObjectNameException, IOException, MBeanException,
        AttributeNotFoundException, InstanceNotFoundException, ReflectionException, PluginException {

    Stats stats;
    Boolean provider = (Boolean) mServer.getAttribute(objName, "statisticsProvider");
    if ((provider == null) || !provider.booleanValue()) {
        String msg = objName + " does not provide statistics";
        throw new PluginException(msg);
    }/*from  w ww . j a  v a  2s.c om*/

    stats = (Stats) mServer.getAttribute(objName, "stats");

    if (stats == null) {
        throw new PluginException(objName + " has no stats");
    }

    String statName = attribute.substring(STATS_PREFIX.length());
    Statistic stat = stats.getStatistic(statName);
    if (stat == null) {
        String msg = "Statistic '" + statName + "' not found [" + objName + "]";
        throw new AttributeNotFoundException(msg);
    }

    long value;
    if (stat instanceof CountStatistic) {
        value = ((CountStatistic) stat).getCount();
    } else if (stat instanceof RangeStatistic) {
        value = ((RangeStatistic) stat).getCurrent();
    } else if (stat instanceof TimeStatistic) {
        // get the average time
        long count = ((TimeStatistic) stat).getCount();
        if (count == 0)
            value = 0;
        else
            value = ((TimeStatistic) stat).getTotalTime() / count;
    } else {
        String msg = "Unsupported statistic type [" + statName.getClass().getName() + " for [" + objName + ":"
                + attribute + "]";
        throw new MetricInvalidException(msg);
    }

    //XXX: handle bug with geronimo uptime metric
    if (statName.equals("UpTime")) {
        value = System.currentTimeMillis() - value;
    }

    return new Double(value);
}

---