com.sun.appserv.util.cache.mbeans.JmxBaseCache Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
/**
* @Version $Id: JmxBaseCache.java,v 1.4 2005/12/25 04:25:22 tcfujii Exp $
* Created on May 4, 2005 11:55 AM
*/
package com.sun.appserv.util.cache.mbeans;
import com.sun.appserv.util.cache.BaseCache;
import com.sun.appserv.util.cache.Constants;
/**
* This class provides implementation for JmxBaseCacheMBean
*
* @author Krishnamohan Meduri ([email protected])
*
*/
public class JmxBaseCache implements JmxBaseCacheMBean {
private String name;
private BaseCache baseCache;
public JmxBaseCache(BaseCache baseCache, String name) {
this.baseCache = baseCache;
this.name = name;
}
/**
* Returns a unique identifier for this MBean inside the domain
*/
public String getName() {
return name;
}
/**
* Returns maximum possible number of entries
*/
public Integer getMaxEntries() {
return (Integer) baseCache.getStatByName(
Constants.STAT_BASECACHE_MAX_ENTRIES);
}
/**
* Returns threshold. This when reached, an overflow will occur
*/
public Integer getThreshold() {
return (Integer) baseCache.getStatByName(
Constants.STAT_BASECACHE_THRESHOLD);
}
/**
* Returns current number of buckets
*/
public Integer getTableSize() {
return (Integer) baseCache.getStatByName(
Constants.STAT_BASECACHE_TABLE_SIZE);
}
/**
* Returns current number of Entries
*/
public Integer getEntryCount() {
return (Integer) baseCache.getStatByName(
Constants.STAT_BASECACHE_ENTRY_COUNT);
}
/**
* Return the number of cache hits
*/
public Integer getHitCount() {
return (Integer) baseCache.getStatByName(
Constants.STAT_BASECACHE_HIT_COUNT);
}
/**
* Returns the number of cache misses
*/
public Integer getMissCount() {
return (Integer) baseCache.getStatByName(
Constants.STAT_BASECACHE_MISS_COUNT);
}
/**
* Returns the number of entries that have been removed
*/
public Integer getRemovalCount() {
return (Integer) baseCache.getStatByName(
Constants.STAT_BASECACHE_REMOVAL_COUNT);
}
/**
* Returns the number of values that have been refreshed
* (replaced with a new value in an existing extry)
*/
public Integer getRefreshCount() {
return (Integer) baseCache.getStatByName(
Constants.STAT_BASECACHE_REFRESH_COUNT);
}
/**
* Returns the number of times that an overflow has occurred
*/
public Integer getOverflowCount() {
return (Integer) baseCache.getStatByName(
Constants.STAT_BASECACHE_OVERFLOW_COUNT);
}
/**
* Returns the number of times new entries have been added
*/
public Integer getAddCount() {
return (Integer) baseCache.getStatByName(
Constants.STAT_BASECACHE_ADD_COUNT);
}
}