Examples with KapuaTopic org.eclipse.kapua.service.datastore.internal.elasticsearch.KapuaTopic used on opensource projects

Example 1 with KapuaTopic

use of org.eclipse.kapua.service.datastore.internal.elasticsearch.KapuaTopic in project kapua by eclipse.

the class MessageStoreServiceImpl method resetCache.

private void resetCache(String accountName, String topic) throws Exception {
    boolean isAnyAsset;
    boolean isAssetToDelete = false;
    String semTopic;
    if (topic != null) {
        // determine if we should delete an asset if topic = account/asset/#
        KapuaTopic kapuaTopic = new KapuaTopic(topic);
        isAnyAsset = kapuaTopic.isAnyAsset();
        semTopic = kapuaTopic.getSemanticTopic();
        if (semTopic.isEmpty() && !isAnyAsset)
            isAssetToDelete = true;
    } else {
        isAnyAsset = true;
        semTopic = "";
        isAssetToDelete = true;
    }
    // Find all topics
    String everyIndex = EsUtils.getAnyIndexName(accountName);
    int pageSize = 1000;
    int offset = 0;
    long totalHits = 1;
    MetricInfoQueryImpl metricQuery = new MetricInfoQueryImpl();
    metricQuery.setLimit(pageSize + 1);
    metricQuery.setOffset(offset);
    TopicMatchPredicateImpl topicPredicate = new TopicMatchPredicateImpl();
    topicPredicate.setExpression(topic);
    metricQuery.setPredicate(topicPredicate);
    // Remove metrics
    while (totalHits > 0) {
        MetricInfoListResult metrics = EsMetricDAO.connection(EsClient.getcurrent()).instance(everyIndex, EsSchema.METRIC_TYPE_NAME).query(metricQuery);
        totalHits = metrics.size();
        LocalCache<String, Boolean> metricsCache = DatastoreCacheManager.getInstance().getMetricsCache();
        long toBeProcessed = totalHits > pageSize ? pageSize : totalHits;
        for (int i = 0; i < toBeProcessed; i++) {
            String id = metrics.get(i).getId().toString();
            if (metricsCache.get(id))
                metricsCache.remove(id);
        }
        if (totalHits > pageSize)
            offset += (pageSize + 1);
    }
    logger.debug(String.format("Removed cached topic metrics for [%s]", topic));
    EsMetricDAO.connection(EsClient.getcurrent()).instance(everyIndex, EsSchema.METRIC_TYPE_NAME).deleteByQuery(metricQuery);
    logger.debug(String.format("Removed topic metrics for [%s]", topic));
    // 
    TopicInfoQueryImpl topicQuery = new TopicInfoQueryImpl();
    topicQuery.setLimit(pageSize + 1);
    topicQuery.setOffset(offset);
    topicPredicate = new TopicMatchPredicateImpl();
    topicPredicate.setExpression(topic);
    topicQuery.setPredicate(topicPredicate);
    // Remove topic
    offset = 0;
    totalHits = 1;
    while (totalHits > 0) {
        TopicInfoListResult topics = EsTopicDAO.connection(EsClient.getcurrent()).instance(everyIndex, EsSchema.TOPIC_TYPE_NAME).query(topicQuery);
        totalHits = topics.size();
        LocalCache<String, Boolean> topicsCache = DatastoreCacheManager.getInstance().getTopicsCache();
        long toBeProcessed = totalHits > pageSize ? pageSize : totalHits;
        for (int i = 0; i < toBeProcessed; i++) {
            String id = topics.get(0).getId().toString();
            if (topicsCache.get(id))
                topicsCache.remove(id);
        }
        if (totalHits > pageSize)
            offset += (pageSize + 1);
    }
    logger.debug(String.format("Removed cached topics for [%s]", topic));
    EsTopicDAO.connection(EsClient.getcurrent()).instance(everyIndex, EsSchema.TOPIC_TYPE_NAME).deleteByQuery(topicQuery);
    logger.debug(String.format("Removed topics for [%s]", topic));
    // Remove asset
    if (isAssetToDelete) {
        AssetInfoQueryImpl assetQuery = new AssetInfoQueryImpl();
        assetQuery.setLimit(pageSize + 1);
        assetQuery.setOffset(offset);
        topicPredicate = new TopicMatchPredicateImpl();
        topicPredicate.setExpression(topic);
        assetQuery.setPredicate(topicPredicate);
        offset = 0;
        totalHits = 1;
        while (totalHits > 0) {
            AssetInfoListResult assets = EsAssetDAO.connection(EsClient.getcurrent()).instance(everyIndex, EsSchema.ASSET_TYPE_NAME).query(assetQuery);
            totalHits = assets.size();
            LocalCache<String, Boolean> assetsCache = DatastoreCacheManager.getInstance().getAssetsCache();
            long toBeProcessed = totalHits > pageSize ? pageSize : totalHits;
            for (int i = 0; i < toBeProcessed; i++) {
                String id = assets.get(i).getId().toString();
                if (assetsCache.get(id))
                    assetsCache.remove(id);
            }
            if (totalHits > pageSize)
                offset += (pageSize + 1);
        }
        logger.debug(String.format("Removed cached assets for [%s]", topic));
        EsAssetDAO.connection(EsClient.getcurrent()).instance(everyIndex, EsSchema.ASSET_TYPE_NAME).deleteByQuery(assetQuery);
        logger.debug(String.format("Removed assets for [%s]", topic));
    }
}