org.hibernate.stat.Statistics#getEntityNames ( )源码实例Demo

protected void logEntities(StringBuilder builder, String lineSep, Statistics stats) {
    builder.append("Important entities statistics: ").append(lineSep);
    for (String entity : stats.getEntityNames()) {
        EntityStatistics entityStats = stats.getEntityStatistics(entity);
        if (entityStats.getInsertCount() > LIMIT || entityStats.getDeleteCount() > LIMIT || entityStats.getUpdateCount() > LIMIT || entityStats.getLoadCount() > LIMIT || entityStats.getFetchCount() > LIMIT) {
            builder.append(entity).append(" - ")
                    .append("inserted: ").append(entityStats.getInsertCount())
                    .append(", updated: ").append(entityStats.getUpdateCount())
                    .append(", removed: ").append(entityStats.getDeleteCount())
                    .append(", loaded: ").append(entityStats.getLoadCount())
                    .append(", fetched: ").append(entityStats.getFetchCount())
                    .append(lineSep);
        }
    }
    builder.append(lineSep);
}
 

/**
 * Get all the Hibernate Entities statistics aggregated in a sorted Map
 * 
 * @param statistics
 * @return a sorted map containing all the Hibernate entities stats
 */
public static SortedMap<String, Map<String, HibernateMetric>> getSecondLevelCacheEntitiesStats(
        Statistics statistics) {

    SortedMap<String, Map<String, HibernateMetric>> entitiesStatMap = new TreeMap<String, Map<String, HibernateMetric>>();

    if (statistics.isStatisticsEnabled()) {
        String[] entityNames = statistics.getEntityNames();
        Stream.of(entityNames).forEach(eN -> {
            EntityStatistics entityStat = statistics.getEntityStatistics(eN);
            SortedMap<String, HibernateMetric> entityStatMap = new TreeMap<String, HibernateMetric>();

            // Entity cache stats
            entityStatMap.put(
                    "cache.region.name",
                    createHibernateMetricItem(
                            "cacheRegionName",
                            "The name of the region where this data is cached.",
                            entityStat.getCacheRegionName()));
            entityStatMap.put(
                    "cache.hit.count",
                    createHibernateMetricItem(
                            "cacheHitCount",
                            "The number of successful cache look-ups for this data from its configured cache region since the last Statistics clearing.",
                            entityStat.getCacheHitCount()));
            entityStatMap.put(
                    "cache.miss.count",
                    createHibernateMetricItem(
                            "cacheMissCount",
                            "The number of unsuccessful cache look-ups for this data from its configured cache region since the last Statistics clearing.",
                            entityStat.getCacheMissCount()));
            entityStatMap.put(
                    "cache.put.count",
                    createHibernateMetricItem(
                            "cachePutCount",
                            "The number of times this data has been into its configured cache region since the last Statistics clearing.",
                            entityStat.getCachePutCount()));
            double hitsRatio = (entityStat.getCacheHitCount() + entityStat.getCacheMissCount()) != 0
                    ? ((double) entityStat.getCacheHitCount()
                            / (entityStat.getCacheHitCount() + entityStat.getCacheMissCount()) * 100)
                    : -1;
            entityStatMap.put(
                    "cache.hit.ratio",
                    createHibernateMetricItem(
                            "cacheHitRatio",
                            "The ratio of successful cache look-ups for this data from its configured cache region since the last Statistics clearing.",
                            df2.format(hitsRatio)));

            // Entity stats
            entityStatMap.put(
                    "fetch.count",
                    createHibernateMetricItem(
                            "fetchCount",
                            "Number of times (since last Statistics clearing) this entity has been fetched.",
                            entityStat.getFetchCount()));
            entityStatMap.put(
                    "insert.count",
                    createHibernateMetricItem(
                            "insertCount",
                            "Number of times (since last Statistics clearing) this entity has been inserted.",
                            entityStat.getInsertCount()));
            entityStatMap.put(
                    "delete.count",
                    createHibernateMetricItem(
                            "deleteCount",
                            "Number of times (since last Statistics clearing) this entity has been deleted.",
                            entityStat.getDeleteCount()));
            entityStatMap.put(
                    "load.count",
                    createHibernateMetricItem(
                            "loadCount",
                            "Number of times (since last Statistics clearing) this entity has been loaded.",
                            entityStat.getLoadCount()));
            entityStatMap.put(
                    "optimistic.failure.count",
                    createHibernateMetricItem(
                            "optimisticFailureCount",
                            "Number of times (since last Statistics clearing) this entity has experienced an optimistic lock failure.",
                            entityStat.getOptimisticFailureCount()));
            entityStatMap.put(
                    "update.count",
                    createHibernateMetricItem(
                            "updateCount",
                            "Number of times (since last Statistics clearing) this entity has been updated.",
                            entityStat.getUpdateCount()));

            entitiesStatMap.put(ENTITY_STATS_PREFIX + eN, entityStatMap);
        });
    }

    return entitiesStatMap;
}
 

@Override
public Map<String, Object> asJson() {
    LinkedHashMap<String, Object> json = new LinkedHashMap<>();
    Statistics statistics = sessionFactory.getStatistics();
    if (!statistics.isStatisticsEnabled()){
        return json;
    }
    json.put("EntityDeleteCount", statistics.getEntityDeleteCount());
    json.put("EntityInsertCount", statistics.getEntityInsertCount());
    json.put("EntityLoadCount", statistics.getEntityLoadCount());
    json.put("EntityFetchCount", statistics.getEntityFetchCount());
    json.put("EntityUpdateCount", statistics.getEntityUpdateCount());
    json.put("QueryExecutionCount", statistics.getQueryExecutionCount());
    json.put("QueryExecutionMaxTime", statistics.getQueryExecutionMaxTime());
    json.put("QueryExecutionMaxTimeQueryString", statistics.getQueryExecutionMaxTimeQueryString());
    json.put("QueryCacheHitCount", statistics.getQueryCacheHitCount());
    json.put("QueryCacheMissCount", statistics.getQueryCacheMissCount());
    json.put("QueryCachePutCount", statistics.getQueryCachePutCount());
    json.put("FlushCount", statistics.getFlushCount());
    json.put("ConnectCount", statistics.getConnectCount());
    json.put("SecondLevelCacheHitCount", statistics.getSecondLevelCacheHitCount());
    json.put("SecondLevelCacheMissCount", statistics.getSecondLevelCacheMissCount());
    json.put("SecondLevelCachePutCount", statistics.getSecondLevelCachePutCount());
    json.put("SessionCloseCount", statistics.getSessionCloseCount());
    json.put("SessionOpenCount", statistics.getSessionOpenCount());
    json.put("CollectionLoadCount", statistics.getCollectionLoadCount());
    json.put("CollectionFetchCount", statistics.getCollectionFetchCount());
    json.put("CollectionUpdateCount", statistics.getCollectionUpdateCount());
    json.put("CollectionRemoveCount", statistics.getCollectionRemoveCount());
    json.put("CollectionRecreateCount", statistics.getCollectionRecreateCount());
    json.put("StartTime", statistics.getStartTime());
    json.put("SecondLevelCacheRegionNames", statistics.getSecondLevelCacheRegionNames());
    json.put("SuccessfulTransactionCount", statistics.getSuccessfulTransactionCount());
    json.put("TransactionCount", statistics.getTransactionCount());
    json.put("PrepareStatementCount", statistics.getPrepareStatementCount());
    json.put("CloseStatementCount", statistics.getCloseStatementCount());
    json.put("OptimisticFailureCount", statistics.getOptimisticFailureCount());

    LinkedHashMap<String, Object> queryStats = new LinkedHashMap<>();
    json.put("Queries", queryStats);

    String[] queries = statistics.getQueries();
    for (String query : queries) {
        queryStats.put(query, statistics.getQueryStatistics(query));
    }

    LinkedHashMap<String, Object> entityStatistics = new LinkedHashMap<>();
    json.put("EntityStatistics", entityStatistics);

    String[] entityNames = statistics.getEntityNames();
    for (String entityName : entityNames) {
        entityStatistics.put(entityName, statistics.getEntityStatistics(entityName));
    }

    LinkedHashMap<String, Object> roleStatistics = new LinkedHashMap<>();
    json.put("RoleStatistics", roleStatistics);

    String[] roleNames = statistics.getCollectionRoleNames();
    for (String roleName : roleNames) {
        roleStatistics.put(roleName, statistics.getCollectionStatistics(roleName));
    }

    return json;
}