/*
 * 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.rars.lazy;

import javax.resource.spi.ConnectionManager;
import javax.resource.spi.ConnectionRequestInfo;
import javax.resource.spi.LazyAssociatableConnectionManager;

import org.jboss.logging.Logger;

/**
 * LazyConnectionImpl
 *
 * @version $Revision: $
 */
public class LazyConnectionImpl implements LazyConnection
{
   /** The logger */
   private static Logger log = Logger.getLogger(LazyConnectionImpl.class);

   /** Connection manager */
   private ConnectionManager cm;

   /** ManagedConnection */
   private LazyManagedConnection mc;

   /** ManagedConnectionFactory */
   private LazyManagedConnectionFactory mcf;

   /** ConnectionRequestInfo */
   private ConnectionRequestInfo cri;

   /**
    * Default constructor
    * @param mc LazyManagedConnection
    * @param mcf LazyManagedConnectionFactory
    * @param cm ConnectionManager
    * @param cri ConnectionRequestInfo
    */
   public LazyConnectionImpl(LazyManagedConnection mc, LazyManagedConnectionFactory mcf,
                             ConnectionManager cm, ConnectionRequestInfo cri)
   {
      this.mc = mc;
      this.mcf = mcf;
      this.cm = cm;
      this.cri = cri;
   }

   /**
    * Call isManagedConnectionSet
    * @return boolean
    */
   public boolean isManagedConnectionSet()
   {
      log.tracef("%s: isManagedConnectionSet() => %s", this, mc != null);

      return mc != null;
   }

   /**
    * Close managed connection
    * @return boolean
    */
   public boolean closeManagedConnection()
   {
      log.tracef("%s: closeManagedConnection()", this);

      if (mc != null)
      {
         try
         {
            if (cm instanceof org.ironjacamar.core.api.connectionmanager.ConnectionManager)
            {
               org.ironjacamar.core.api.connectionmanager.ConnectionManager ijCm =
                  (org.ironjacamar.core.api.connectionmanager.ConnectionManager)cm;

               boolean result = ijCm.dissociateManagedConnection(this, mc, mcf);
               log.trace("Result=" + result);

               mc = null;
               return true;
            }
         }
         catch (Throwable t)
         {
            log.error("CloseManagedConnection", t);
         }
      }

      return false;
   }

   /**
    * Associate
    * @return boolean
    */
   public boolean associate()
   {
      log.tracef("%s: associate()", this);
      if (mc == null)
      {
         if (cm instanceof LazyAssociatableConnectionManager)
         {
            try
            {
               LazyAssociatableConnectionManager lacm = (LazyAssociatableConnectionManager)cm;
               lacm.associateConnection(this, mcf, cri);
               return true;
            }
            catch (Throwable t)
            {
               log.error("Associate", t);
            }
         }
         else if (cm instanceof org.ironjacamar.core.api.connectionmanager.ConnectionManager)
         {
            try
            {
               org.ironjacamar.core.api.connectionmanager.ConnectionManager ijCm =
                  (org.ironjacamar.core.api.connectionmanager.ConnectionManager)cm;
               mc = (LazyManagedConnection)ijCm.associateManagedConnection(this, mcf, cri);
               return mc != null;
            }
            catch (Throwable t)
            {
               log.error("Associate", t);
            }
         }
      }

      return false;
   }

   /**
    * {@inheritDoc}
    */
   public boolean isEnlisted()
   {
      return mc.isEnlisted();
   }

   /**
    * {@inheritDoc}
    */
   public boolean enlist()
   {
      return mc.enlist();
   }

   /**
    * Close
    */
   public void close()
   {
      log.tracef("%s: close()", this);
      if (mc != null)
      {
         mc.closeHandle(this);
      }
      else
      {
         if (cm instanceof LazyAssociatableConnectionManager)
         {
            LazyAssociatableConnectionManager lacm = (LazyAssociatableConnectionManager)cm;
            lacm.inactiveConnectionClosed(this, mcf);
         }
      }
   }

   /**
    * Set the managed connection
    * @param mc The value
    */
   void setManagedConnection(LazyManagedConnection mc)
   {
      log.tracef("%s: setManagedConnection(" + mc + ")", this);
      this.mc = mc;
   }
}