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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
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 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
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package com.sun.ejb.base.stats;

import com.sun.enterprise.admin.monitor.stats.GenericStatsImpl;
import com.sun.ejb.containers.EjbContainerUtilImpl;

import org.glassfish.j2ee.statistics.BoundedRangeStatistic;
import org.glassfish.j2ee.statistics.CountStatistic;
import org.glassfish.j2ee.statistics.Statistic;
import org.glassfish.j2ee.statistics.Stats;
import java.util.logging.Logger;

/**
 * Base class for all the StatsImpl. Also provides a couple
 *  of methods for MonitorListener
 *
 * @author Mahesh Kannan
 */


public abstract class StatsImpl
    implements Stats
{
    protected static final Logger _logger = EjbContainerUtilImpl.getLogger();

    private GenericStatsImpl	    genericStatsDelegate;

    protected StatsImpl() {
    }
    
    protected void initialize(String statInterfaceName) {
	try {
	    genericStatsDelegate =  new GenericStatsImpl(statInterfaceName, this);
	} catch(ClassNotFoundException cnfEx) {
	    throw new RuntimeException(statInterfaceName + " not found", cnfEx);
	}
    }

    public Statistic getStatistic(String statName) {
	return genericStatsDelegate.getStatistic(statName);
    }

    public String[] getStatisticNames() {
	return genericStatsDelegate.getStatisticNames();
    }

    public Statistic[] getStatistics() {
	return genericStatsDelegate.getStatistics();
    }

    public String statToString() {
	StringBuffer sbuf = new StringBuffer();
	Statistic[] stats = getStatistics();
	int sz = stats.length;
	for (int i=0; i