//
   //  ========================================================================
   //  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
   //  ------------------------------------------------------------------------
   //  All rights reserved. This program and the accompanying materials
   //  are made available under the terms of the Eclipse Public License v1.0
   //  and Apache License v2.0 which accompanies this distribution.
   //
   //      The Eclipse Public License is available at
  //      http://www.eclipse.org/legal/epl-v10.html
  //
  //      The Apache License v2.0 is available at
  //      http://www.opensource.org/licenses/apache2.0.php
  //
  //  You may elect to redistribute this code under either of these licenses.
  //  ========================================================================
  //
  
  package org.eclipse.jetty.cdi.core;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import javax.enterprise.context.spi.Contextual;
  
  import org.eclipse.jetty.util.log.Log;
  import org.eclipse.jetty.util.log.Logger;
  
  public class SimpleBeanStore
  {
      private static final Logger LOG = Log.getLogger(SimpleBeanStore.class);
  
      public Map<Contextual<?>, List<ScopedInstance<?>>> beans = new HashMap<>();
  
      public void addBean(ScopedInstance<?> instance)
      {
          if (LOG.isDebugEnabled())
          {
              LOG.debug("addBean({})",instance);
          }
          List<ScopedInstance<?>> instances = getBeans(instance.bean);
          if (instances == null)
          {
              instances = new ArrayList<>();
              beans.put(instance.bean,instances);
          }
          instances.add(instance);
      }
  
      public void clear()
      {
          beans.clear();
      }
  
      public void destroy()
      {
          if (LOG.isDebugEnabled())
          {
              LOG.debug("destroy() - {} beans",beans.size());
          }
          for (List<ScopedInstance<?>> instances : beans.values())
          {
              if (LOG.isDebugEnabled())
              {
                  LOG.debug("destroying - {} instance(s)",instances.size());
              }
              for (ScopedInstance<?> instance : instances)
              {
                  if (LOG.isDebugEnabled())
                  {
                      LOG.debug("destroying instance {}",instance);
                  }
                  instance.destroy();
              }
          }
      }
  
      public List<ScopedInstance<?>> getBeans(Contextual<?> contextual)
      {
          if (LOG.isDebugEnabled())
          {
              LOG.debug("getBeans({})",contextual);
          }
          return beans.get(contextual);
      }
  
      @Override
      public String toString()
      {
          return String.format("%s@%X[size=%d]",this.getClass().getSimpleName(),hashCode(),beans.size());
      }
  }