Package com.caucho.resin

Source Code of com.caucho.resin.BeanContainerRequest

/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT.  See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
*   Free Software Foundation, Inc.
*   59 Temple Place, Suite 330
*   Boston, MA 02111-1307  USA
*
* @author Scott Ferguson
*/

package com.caucho.resin;

import javax.enterprise.context.spi.Contextual;
import javax.enterprise.context.spi.CreationalContext;

import com.caucho.config.inject.InjectManager;
import com.caucho.config.scope.ContextContainer;

/**
* Request context for an embedded Resin request.
*/
public class BeanContainerRequest
{
  private ClassLoader _oldClassLoader;
  private BeanContainerRequest _oldContext;
  private ResinBeanContainer _cdiContainer;
 
  private ContextContainer _context = new ContextContainer();

  BeanContainerRequest(ResinBeanContainer cdiContainer,
                       ClassLoader oldClassLoader,
                       BeanContainerRequest oldContext)
  {
    _cdiContainer = cdiContainer;
    _oldClassLoader = oldClassLoader;
    _oldContext = oldContext;
  }
 
  ClassLoader getOldClassLoader()
  {
    return _oldClassLoader;
  }
 
  BeanContainerRequest getOldContext()
  {
    return _oldContext;
  }
 
  <T> T get(Contextual<T> bean)
  {
    return (T) _context.get(bean);
  }
 
  <T> T get(Contextual<T> bean,
            CreationalContext<T> env,
            InjectManager manager)
  {
    T value = _context.get(bean);
   
    if (value != null)
      return (T) value;
   
    value = bean.create(env);
   
    _context.put(bean, bean, value, env);
   
    return (T) value;
  }
 
  public void close()
  {
    ResinBeanContainer cdiContainer = _cdiContainer;
    _cdiContainer = null;
   
    ContextContainer context = _context;
    _context = null;
   
    if (context != null) {
      context.close();
    }
   
    if (cdiContainer != null)
      cdiContainer.completeRequest(this);
  }
}
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