Examples with StatisticsType org.apache.geode.StatisticsType used on opensource projects

Example 36 with StatisticsType

use of org.apache.geode.StatisticsType in project geode by apache.

the class ClientStatsManager method initializeStatistics.

/**
   * This method initializes the client statistics to be queried.
   *
   * GuardedBy ClientStatsManager.class
   *
   * @return true if statistics correctly initialized
   */
private static boolean initializeStatistics(InternalCache currentCache) {
    if (currentCache == null) {
        return false;
    }
    LogWriterI18n logger = currentCache.getLoggerI18n();
    InternalDistributedSystem ds = (InternalDistributedSystem) currentCache.getDistributedSystem();
    if (currentCache.isClosed()) {
        return false;
    }
    boolean restart = lastInitializedCache != currentCache;
    lastInitializedCache = currentCache;
    if (restart) {
        if (logger.infoEnabled()) {
            logger.info(LocalizedStrings.ClientStatsManager_CLIENTSTATSMANAGER_INTIALIZING_THE_STATISTICS);
        }
        cachePerfStats = null;
        vmStats = null;
    }
    if (cachePerfStats == null) {
        StatisticsType type = ds.findType("CachePerfStats");
        if (type != null) {
            Statistics[] statistics = ds.findStatisticsByType(type);
            if (statistics != null && statistics.length > 0) {
                cachePerfStats = statistics[0];
            }
        }
    }
    if (vmStats == null) {
        StatisticsType type = ds.findType("VMStats");
        if (type != null) {
            Statistics[] statistics = ds.findStatisticsByType(type);
            if (statistics != null && statistics.length > 0) {
                vmStats = statistics[0];
            }
        }
    }
    // Validate that cache has changed before logging the warning, thus logging it once per cache
    if (cachePerfStats == null && restart) {
        logger.warning(LocalizedStrings.ClientStatsManager_CLIENTSTATSMANAGER_0_ARE_NOT_AVAILABLE, "CachePerfStats");
    }
    // Validate that cache has changed before logging the warning, thus logging it once per cache
    if (vmStats == null && restart) {
        logger.warning(LocalizedStrings.ClientStatsManager_CLIENTSTATSMANAGER_0_ARE_NOT_AVAILABLE, "VMStats");
    }
    return true;
}