org.mzd.shap.spring.orm.Reporting.java Source code

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Here is the source code for org.mzd.shap.spring.orm.Reporting.java

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/**
 *
 * Copyright 2010 Matthew Z DeMaere.
 * 
 * This file is part of SHAP.
 *
 * SHAP is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * SHAP is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with SHAP.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package org.mzd.shap.spring.orm;

import org.hibernate.SessionFactory;
import org.hibernate.stat.Statistics;

public class Reporting {

    public static String reportQueryCacheStatistics(SessionFactory sessionFactory) {
        StringBuffer buffer = new StringBuffer();
        Statistics stats = sessionFactory.getStatistics();

        long queryHitCount = stats.getQueryCacheHitCount();
        long queryMissCount = stats.getQueryCacheMissCount();

        buffer.append("Query Cache Hits: " + queryHitCount + "\n");
        buffer.append("Query Cache Misses: " + queryMissCount + "\n");
        if (queryHitCount + queryMissCount > 0) {
            buffer.append("Query Cache Hit Ratio: "
                    + (double) queryHitCount / (double) (queryHitCount + queryMissCount) + "\n");
        }

        return buffer.toString();
    }

    public static String reportSecondLevleCacheStatistics(SessionFactory sessionFactory) {
        StringBuffer buffer = new StringBuffer();
        Statistics stats = sessionFactory.getStatistics();

        long cacheHitCount = stats.getSecondLevelCacheHitCount();
        long cacheMissCount = stats.getSecondLevelCacheMissCount();

        System.out.println("Second Level Cache Hits: " + cacheHitCount);
        System.out.println("Second Level Cache Misses: " + cacheMissCount);
        if (cacheHitCount + cacheMissCount > 0) {
            System.out.println("Second Level Cache Hit Ratio: "
                    + (double) cacheHitCount / (double) (cacheHitCount + cacheMissCount));
        }

        return buffer.toString();
    }

}