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Ehcache is an open source, standards-based cache used to boost performance, offload the database and simplify scalability. Ehcache is robust, proven and full-featured and this has made it the most widely-used Java-based cache.

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/**
 *  Copyright Terracotta, Inc.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package net.sf.ehcache.management;

import java.util.List;

/**
 * An MBean interface for those attributes and operations we wish to expose on net.sf.ehcache.CacheManager
 * @author Greg Luck
 * @version $Id: CacheManagerMBean.java 5594 2012-05-07 16:04:31Z cdennis $
 * @since 1.3
 */
public interface CacheManagerMBean {

    /**
     * Gets the status attribute of the Ehcache
     *
     * @return The status value, as a String from the Status enum class
     */
    String getStatus();

    /**
     * Gets the name of the cache manager
     *
     * @return The name of the CacheManager
     */
    String getName();

     /**
     * Shuts down the CacheManager.
     * 
     * If the shutdown occurs on the singleton, then the singleton is removed, so that if a singleton access method
     * is called, a new singleton will be created.
     */
    void shutdown();


    /**
     * Clears  the contents of all caches in the CacheManager, but without
     * removing any caches.
     * 
     * This method is not synchronized. It only guarantees to clear those elements in a cache
     * at the time that the {@link net.sf.ehcache.Ehcache#removeAll()} mehod  on each cache is called.
     */
    void clearAll();


    /**
     * Returns a JMX Cache bean
     *
     */
    Cache getCache(String name);


    /**
     * Gets the cache names managed by the CacheManager
     */
    String[] getCacheNames() throws IllegalStateException;

    /**
     * Gets a list of caches in this CacheManager
     * @return a list of JMX Cache objects
     */
    List getCaches();

    /**
     * Get the committed transactions count
     * @return the committed transactions count
     */
    long getTransactionCommittedCount();

    /**
     * Get the rolled back transactions count
     * @return the rolled back transactions count
     */
    long getTransactionRolledBackCount();

    /**
     * Get the timed out transactions count. Note that only transactions which failed to
     * commit due to a timeout are taken into account
     * @return the timed out transactions count
     */
    long getTransactionTimedOutCount();

}