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/*
* $Header: /cvs/glassfish/appserv-api/src/java/com/sun/appserv/management/j2ee/statistics/StatisticImpl.java,v 1.2 2007/05/05 05:30:52 tcfujii Exp $
* $Revision: 1.2 $
* $Date: 2007/05/05 05:30:52 $
*/
package com.sun.appserv.management.j2ee.statistics;
import java.io.Serializable;
import java.util.Map;
import javax.management.j2ee.statistics.Statistic;
import com.sun.appserv.management.util.misc.MapUtil;
import com.sun.appserv.management.util.misc.ObjectUtil;
import com.sun.appserv.management.util.j2ee.stringifier.StatisticStringifier;
import com.sun.appserv.management.util.j2ee.J2EEUtil;
/**
Implementation of Statistic which records its values in member
variables.
*/
public class StatisticImpl implements Statistic, Serializable
{
static final long serialVersionUID = -8120492090789878204L;
/* members names as defined by JSR 77 */
private final String mName;
private final String mDescription;
private final String mUnit;
protected long mLastSampleTime;
private final long mStartTime;
public
StatisticImpl(
final String name,
final String description,
final String unit,
final long startTime,
final long lastSampleTime )
{
mName = name;
mDescription = description;
mUnit = unit;
mLastSampleTime = lastSampleTime;
mStartTime = startTime;
}
public
StatisticImpl( final Statistic s )
{
mName = s.getName();
mDescription = s.getDescription();
mUnit = s.getUnit();
mLastSampleTime = s.getLastSampleTime();
mStartTime = s.getStartTime();
}
/**
Get the description for this Statistic
*/
public String
getDescription()
{
return( mDescription );
}
/**
Get the last sample time for this Statistic
*/
public long
getLastSampleTime()
{
return( mLastSampleTime );
}
/**
Get the name of this Statistic
*/
public String
getName()
{
return( mName );
}
/**
Get the start time for this Statistic
*/
public long
getStartTime()
{
return( mStartTime );
}
/**
Get the units associated with this statistic.
*/
public String
getUnit()
{
return( mUnit );
}
public String
toString()
{
return StatisticStringifier.DEFAULT.stringify( this );
}
public int
hashCode()
{
return ObjectUtil.hashCode( mName, mDescription, mUnit) ^
ObjectUtil.hashCode( mLastSampleTime ) ^
ObjectUtil.hashCode( mStartTime );
}
public boolean
equals( final Object rhs )
{
boolean equals = false;
if ( rhs instanceof Statistic )
{
final Statistic s = (Statistic)rhs;
equals = getName().equals( s.getName() ) &&
getUnit().equals( s.getUnit() ) &&
getDescription().equals( s.getDescription() ) &&
getStartTime() == s.getStartTime() &&
getLastSampleTime() == s.getLastSampleTime();
}
return( equals );
}
}