Examples with Header org.opennms.netmgt.xml.rtc.Header used on opensource projects

Example 1 with Header

use of org.opennms.netmgt.xml.rtc.Header in project opennms by OpenNMS.

the class AvailabilityServiceHibernateImpl method getEuiLevel.

/**
 * Optimized method for calculating the category statistics.
 *
 * We start off by retrieving outages affecting the nodes and services
 * in the given category, and group these by node id.
 *
 * Using the outages, we calculate node-level statistics
 * and tally the values to calculate the category statistics.
 */
@Override
@Transactional(readOnly = true)
public synchronized EuiLevel getEuiLevel(RTCCategory category) {
    final Header header = new Header();
    header.setVer("1.9a");
    header.setMstation("");
    // current time
    final Date curDate = new Date();
    final long curTime = curDate.getTime();
    // get the rolling window
    final long rWindow = 24L * 60L * 60L * 1000L;
    LOG.debug("Retrieving availability statistics for {} with current date: {} and rolling window: {}", category.getLabel(), curDate, rWindow);
    // create the data
    final EuiLevel level = new EuiLevel();
    // set created in m_header and add to level
    header.setCreated(EventConstants.formatToString(curDate));
    level.setHeader(header);
    final Category levelCat = new Category();
    // category label
    levelCat.setCatlabel(category.getLabel());
    double outageTimeInCategory = 0.0;
    int numServicesInCategory = 0;
    // window bounds
    final Date windowStart = new Date(curTime - rWindow);
    final Date windowEnd = new Date(curTime);
    // category specifics
    final List<Integer> nodeIds = getNodes(category);
    final List<String> serviceNames = category.getServices();
    // retrieve the outages associated with the given nodes, only retrieving those that affect our window
    final Map<Integer, List<OnmsOutage>> outagesByNode = getOutages(nodeIds, serviceNames, windowStart, windowEnd);
    // calculate the node level statistics
    for (final int nodeId : nodeIds) {
        List<OnmsOutage> outages = outagesByNode.get(nodeId);
        if (outages == null) {
            outages = Lists.newArrayList();
        }
        // sum the outage time
        final double outageTime = getOutageTimeInWindow(outages, windowStart, windowEnd);
        // determine the number of services
        final int numServices = getNumServices(nodeId, serviceNames);
        // count the number of outstanding outages
        final long numServicesDown = outages.stream().filter(outage -> outage.getIfRegainedService() == null).count();
        final Node levelNode = new Node();
        levelNode.setNodeid(nodeId);
        // value for this node for this category
        levelNode.setNodevalue(RTCUtils.getOutagePercentage(outageTime, rWindow, numServices));
        // node service count
        levelNode.setNodesvccount(numServices);
        // node service down count
        levelNode.setNodesvcdowncount(numServicesDown);
        // add the node
        levelCat.getNode().add(levelNode);
        // update the category statistics
        numServicesInCategory += numServices;
        outageTimeInCategory += outageTime;
    }
    // calculate the outage percentage using tallied values
    levelCat.setCatvalue(RTCUtils.getOutagePercentage(outageTimeInCategory, rWindow, numServicesInCategory));
    // add category
    level.getCategory().add(levelCat);
    LOG.debug("Done retrieving availability statistics for {} with {} services.", category.getLabel(), numServicesInCategory);
    return level;
}