/*
 *  IronJacamar, a Java EE Connector Architecture implementation
 *  Copyright 2016, Red Hat Inc, 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 Eclipse Public License 1.0 as
 *  published by the Free Software Foundation.
 *
 *  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 Eclipse
 *  Public License for more details.
 *
 *  You should have received a copy of the Eclipse 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.ironjacamar.core.connectionmanager.pool.capacity;

import org.ironjacamar.core.api.connectionmanager.pool.CapacityIncrementer;

/**
 * Increment until the defined pool size is reached.
 *
 * Default value is max-pool-size
 * @author <a href="mailto:jesper.pedersen@ironjacamar.org">Jesper Pedersen</a>
 */
public class WatermarkIncrementer implements CapacityIncrementer
{
   /** Watermark */
   private int watermark;

   /**
    * Constructor
    */
   public WatermarkIncrementer()
   {
      this.watermark = -1;
   }

   /**
    * Set the watermark
    * @param v The value
    */
   public void setWatermark(int v)
   {
      watermark = v;
   }

   /**
    * {@inheritDoc}
    */
   public boolean shouldCreate(int currentSize, int maxSize, int created)
   {
      if (watermark < 0)
         return currentSize < maxSize;

      return watermark > currentSize;
   }

   /**
    * {@inheritDoc}
    */
   public String toString()
   {
      return getClass().getName() + "(" + watermark + ")";
   }
}