SlowQueryReportJmx.java 文件源码

/**
 * JMX operation - returns all the queries we have collected.
 * @return - the slow query report as composite data.
 */
@Override
public CompositeData[] getSlowQueriesCD() throws OpenDataException {
    CompositeDataSupport[] result = null;
    ConcurrentHashMap<String,QueryStats> queries = perPoolStats.get(poolName);
    if (queries!=null) {
        Set<Map.Entry<String,QueryStats>> stats = queries.entrySet();
        if (stats!=null) {
            result = new CompositeDataSupport[stats.size()];
            Iterator<Map.Entry<String,QueryStats>> it = stats.iterator();
            int pos = 0;
            while (it.hasNext()) {
                Map.Entry<String,QueryStats> entry = it.next();
                QueryStats qs = entry.getValue();
                result[pos++] = qs.getCompositeData(getCompositeType());
            }
        }
    }
    return result;
}