Examples with StatisticsObjectConfiguration org.apache.ignite.internal.processors.query.stat.config.StatisticsObjectConfiguration used on opensource projects

Example 11 with StatisticsObjectConfiguration

use of org.apache.ignite.internal.processors.query.stat.config.StatisticsObjectConfiguration in project ignite by apache.

the class StatisticsAbstractTest method makeStatistics.

/**
 * Collect or refresh statistics.
 *
 * @param collect If {@code true} - collect new statistics, if {@code false} - update existing.
 * @param targets
 */
private void makeStatistics(boolean collect, StatisticsTarget... targets) {
    try {
        Map<StatisticsTarget, Long> expectedVersion = new HashMap<>();
        IgniteStatisticsManagerImpl statMgr = statisticsMgr(0);
        for (StatisticsTarget target : targets) {
            StatisticsObjectConfiguration currCfg = statMgr.statisticConfiguration().config(target.key());
            Predicate<StatisticsColumnConfiguration> pred;
            if (F.isEmpty(target.columns()))
                pred = c -> true;
            else {
                Set<String> cols = Arrays.stream(target.columns()).collect(Collectors.toSet());
                pred = c -> cols.contains(c.name());
            }
            Long expVer = (currCfg == null) ? 1L : currCfg.columnsAll().values().stream().filter(pred).mapToLong(StatisticsColumnConfiguration::version).min().orElse(0L) + 1;
            expectedVersion.put(target, expVer);
        }
        if (collect)
            statisticsMgr(0).collectStatistics(buildDefaultConfigurations(targets));
        else
            statisticsMgr(0).refreshStatistics(targets);
        awaitStatistics(TIMEOUT, expectedVersion);
    } catch (Exception ex) {
        throw new IgniteException(ex);
    }
}

Example 12 with StatisticsObjectConfiguration

use of org.apache.ignite.internal.processors.query.stat.config.StatisticsObjectConfiguration in project ignite by apache.

the class IgniteStatisticsHelper method buildDefaultConfigurations.

/**
 * Build object configurations array with all default parameters from specified targets.
 *
 * @param targets Targets to build configurations from.
 * @return StatisticsObjectConfiguration array.
 */
public static StatisticsObjectConfiguration[] buildDefaultConfigurations(StatisticsTarget... targets) {
    StatisticsObjectConfiguration[] res = Arrays.stream(targets).map(t -> {
        List<StatisticsColumnConfiguration> colCfgs;
        if (t.columns() == null)
            colCfgs = Collections.emptyList();
        else
            colCfgs = Arrays.stream(t.columns()).map(name -> new StatisticsColumnConfiguration(name, null)).collect(Collectors.toList());
        return new StatisticsObjectConfiguration(t.key(), colCfgs, StatisticsObjectConfiguration.DEFAULT_OBSOLESCENCE_MAX_PERCENT);
    }).toArray(StatisticsObjectConfiguration[]::new);
    return res;
}