org.jboss.varia.stats.AbstractStatisticalItem Maven / Gradle / Ivy
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* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.varia.stats;
/**
* @author Alexey Loubyansky
* @version $Revision: 81038 $
*/
public abstract class AbstractStatisticalItem
implements StatisticalItem
{
protected final String name;
protected String value;
private int count = 1;
private int minCountPerTx = Integer.MAX_VALUE;
private int maxCountPerTx;
private int mergedItemsTotal = 1;
public AbstractStatisticalItem(String name)
{
this.name = name;
}
public String getName()
{
return name;
}
public String getValue()
{
return value;
}
public int getMinCountPerTx()
{
return minCountPerTx == Integer.MAX_VALUE ? count : minCountPerTx;
}
public int getMaxCountPerTx()
{
return maxCountPerTx == 0 ? count : maxCountPerTx;
}
public int getCount()
{
return count;
}
public void add(StatisticalItem item)
{
if(!getName().equals(item.getName()))
{
throw new IllegalArgumentException("Can't merge statistical items with different names: " +
getName() + " and " + item.getName());
}
this.count += item.getCount();
}
public void merge(StatisticalItem item)
{
add(item);
++mergedItemsTotal;
int count = item.getCount();
if(count > maxCountPerTx)
{
maxCountPerTx = count;
}
if(count < minCountPerTx)
{
minCountPerTx = count;
}
}
public void mergeNull()
{
//++mergedItemsTotal;
minCountPerTx = 0;
}
public int getMergedItemsTotal()
{
return mergedItemsTotal;
}
}