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package com.sun.ejb.base.stats;

import javax.management.j2ee.statistics.SessionBeanStats;
import javax.management.j2ee.statistics.CountStatistic;
import javax.management.j2ee.statistics.RangeStatistic;

import com.sun.enterprise.admin.monitor.stats.CountStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.MutableCountStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.BoundedRangeStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.MutableBoundedRangeStatisticImpl;

import com.sun.enterprise.admin.monitor.registry.MonitoringRegistry;
import com.sun.enterprise.admin.monitor.registry.MonitoringLevelListener;
import com.sun.enterprise.admin.monitor.registry.MonitoringLevel;
import com.sun.enterprise.admin.monitor.registry.MonitoringRegistrationException;


import com.sun.ejb.spi.stats.SessionBeanStatsProvider;

import java.util.logging.*;
import com.sun.enterprise.log.Log;
import com.sun.logging.*;

/**
 * A Class for providing stats for both Stateless and Stateful Containers.
 *
 * @author Mahesh Kannan
 */

public abstract class SessionBeanStatsImpl
    extends EJBStatsImpl
    implements javax.management.j2ee.statistics.SessionBeanStats
{
    protected SessionBeanStatsProvider		sessionDelegate;

    private MutableBoundedRangeStatisticImpl	methodReadyCountStat;

    public SessionBeanStatsImpl(SessionBeanStatsProvider delegate, String intfName) {
	super(delegate, intfName);
	this.sessionDelegate = delegate;
    }

    protected void initSessionStats() {
	methodReadyCountStat = new MutableBoundedRangeStatisticImpl(
	    new BoundedRangeStatisticImpl("MethodReadyCount",
		"Count", 0, getMaxReadyCount(), getMinReadyCount()));
    }

    public RangeStatistic getMethodReadyCount() {
	methodReadyCountStat.setCount(sessionDelegate.getMethodReadyCount());
	return (RangeStatistic) methodReadyCountStat.modifiableView();
    }

    protected abstract int getMaxReadyCount();

    protected abstract int getMinReadyCount();
}