/*
 * Copyright (c) 2019 Memorial Sloan-Kettering Cancer Center.
 *
 * This library 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. The software and documentation provided hereunder
 * is on an "as is" basis, and Memorial Sloan-Kettering Cancer Center has no
 * obligations to provide maintenance, support, updates, enhancements or
 * modifications. In no event shall Memorial Sloan-Kettering Cancer Center be
 * liable to any party for direct, indirect, special, incidental or
 * consequential damages, including lost profits, arising out of the use of this
 * software and its documentation, even if Memorial Sloan-Kettering Cancer
 * Center has been advised of the possibility of such damage.
 */

/*
 * This file is part of cBioPortal.
 *
 * cBioPortal is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.cbioportal.persistence.util;

import org.ehcache.event.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class CacheEventLogger implements CacheEventListener<Object, Object> {

    private static final Logger log = LoggerFactory.getLogger(CacheEventLogger.class);

    // this is to allow spring to inject EhcacheStatistics via MethodInvokingFactoryBean
    private static EhcacheStatistics ehcacheStatistics;
    public static void setCacheStatistics(EhcacheStatistics ecs)
    {
        ehcacheStatistics = ecs;
    }

    @Override
    public void onEvent(CacheEvent<? extends Object, ? extends Object> cacheEvent) {
        if (log.isDebugEnabled()) {
            log.debug("CACHE_EVENT:\n" +
                     "\tTYPE: " + cacheEvent.getType() + "\n" +
                     "\tKEY: " + cacheEvent.getKey() + "\n" +
                     "\tVALUE: " + cacheEvent.getNewValue() + "\n" +
                     "CACHE_EVENT<>\n");
            log.debug(ehcacheStatistics.getCacheStatistics());
        }
    }
}
