/*
 * IronJacamar, a Java EE Connector Architecture implementation
 * Copyright 2015, 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.wm;

import java.io.PrintWriter;
import java.util.Iterator;
import java.util.Set;

import javax.resource.ResourceException;
import javax.resource.spi.ConnectionManager;
import javax.resource.spi.ConnectionRequestInfo;
import javax.resource.spi.ManagedConnection;
import javax.resource.spi.ManagedConnectionFactory;
import javax.resource.spi.ResourceAdapter;
import javax.resource.spi.ResourceAdapterAssociation;

import javax.security.auth.Subject;

/**
 * WorkManagedConnectionFactory
 */
public class WorkManagedConnectionFactory implements ManagedConnectionFactory, ResourceAdapterAssociation
{
   /** The serial version UID */
   private static final long serialVersionUID = 1L;

   /** The resource adapter */
   private ResourceAdapter ra;

   /** The logwriter */
   private PrintWriter logwriter;

   /**
    * Default constructor
    */
   public WorkManagedConnectionFactory()
   {

   }

   /**
    * Creates a Connection Factory instance. 
    *
    * @param cxManager ConnectionManager to be associated with created EIS connection factory instance
    * @return EIS-specific Connection Factory instance or javax.resource.cci.ConnectionFactory instance
    * @throws ResourceException Generic exception
    */
   public Object createConnectionFactory(ConnectionManager cxManager) throws ResourceException
   {
      return new WorkConnectionFactoryImpl(this, cxManager);
   }

   /**
    * Creates a Connection Factory instance. 
    *
    * @return EIS-specific Connection Factory instance or javax.resource.cci.ConnectionFactory instance
    * @throws ResourceException Generic exception
    */
   public Object createConnectionFactory() throws ResourceException
   {
      throw new ResourceException("This resource adapter doesn't support non-managed environments");
   }

   /**
    * Creates a new physical connection to the underlying EIS resource manager.
    *
    * @param subject Caller's security information
    * @param cxRequestInfo Additional resource adapter specific connection request information
    * @throws ResourceException generic exception
    * @return ManagedConnection instance 
    */
   public ManagedConnection createManagedConnection(Subject subject,
         ConnectionRequestInfo cxRequestInfo) throws ResourceException
   {
      return new WorkManagedConnection(this);
   }

   /**
    * Returns a matched connection from the candidate set of connections. 
    *
    * @param connectionSet Candidate connection set
    * @param subject Caller's security information
    * @param cxRequestInfo Additional resource adapter specific connection request information
    * @throws ResourceException generic exception
    * @return ManagedConnection if resource adapter finds an acceptable match otherwise null 
    */
   public ManagedConnection matchManagedConnections(Set connectionSet,
         Subject subject, ConnectionRequestInfo cxRequestInfo) throws ResourceException
   {
      ManagedConnection result = null;
      Iterator it = connectionSet.iterator();
      while (result == null && it.hasNext())
      {
         ManagedConnection mc = (ManagedConnection)it.next();
         if (mc instanceof WorkManagedConnection)
         {
            result = mc;
         }

      }
      return result;
   }

   /**
    * Get the log writer for this ManagedConnectionFactory instance.
    *
    * @return PrintWriter
    * @throws ResourceException generic exception
    */
   public PrintWriter getLogWriter() throws ResourceException
   {
      return logwriter;
   }

   /**
    * Set the log writer for this ManagedConnectionFactory instance.
    *
    * @param out PrintWriter - an out stream for error logging and tracing
    * @throws ResourceException generic exception
    */
   public void setLogWriter(PrintWriter out) throws ResourceException
   {
      logwriter = out;
   }

   /**
    * Get the resource adapter
    *
    * @return The handle
    */
   public ResourceAdapter getResourceAdapter()
   {
      return ra;
   }

   /**
    * Set the resource adapter
    *
    * @param ra The handle
    */
   public void setResourceAdapter(ResourceAdapter ra)
   {
      this.ra = ra;
   }

   /** 
    * Returns a hash code value for the object.
    * @return A hash code value for this object.
    */
   @Override
   public int hashCode()
   {
      return 17;
   }

   /** 
    * Indicates whether some other object is equal to this one.
    * @param other The reference object with which to compare.
    * @return true if this object is the same as the obj argument, false otherwise.
    */
   @Override
   public boolean equals(Object other)
   {
      if (other == null)
         return false;
      if (other == this)
         return true;
      if (!(other instanceof WorkManagedConnectionFactory))
         return false;
      WorkManagedConnectionFactory obj = (WorkManagedConnectionFactory)other;
      return true;
   }

}