package org.apache.archiva.redback.common.jdo.test;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  
  import javax.jdo.PersistenceManager;
  
  import org.jpox.AbstractPersistenceManagerFactory;
  import org.jpox.ClassLoaderResolver;
  import org.jpox.plugin.ConfigurationElement;
  import org.jpox.plugin.Extension;
  import org.jpox.store.rdbms.RDBMSManager;
  
  /**
   * A extension to JPOX store manager that allows counting the SQL queries
   * 
   * @author Carlos Sanchez <a href="mailto:carlos@apache.org">
   */
  public class StoreManagerDebug
      extends RDBMSManager
  {
      private static int counter;
  
      public StoreManagerDebug( ClassLoaderResolver clr, AbstractPersistenceManagerFactory pmf, String userName,
                                String password )
      {
          super( clr, pmf, userName, password );
      }
  
      /**
       * This method will change JPOX store manager extension so it uses our class instead of whatever is configured in
       * the plugin.xml
       * 
       * @param pmf
       */
      public static void setup( AbstractPersistenceManagerFactory pmf )
      {
          /* set our own Store Manager to allow counting SQL statements */
          Extension[] extensions =
              pmf.getPMFContext().getPluginManager().getExtensionPoint( "org.jpox.store_manager" ).getExtensions();
          Extension e = extensions[0];
          for ( ConfigurationElement element : e.getConfigurationElements() )
          {
              element.putAttribute( "class-name", StoreManagerDebug.class.getName() );
          }
      }
  
      /**
       * Get the currently configured store manager from JPOX. Will fail if
       * {@link #setup(AbstractPersistenceManagerFactory)} is not called first.
       * 
       * @param persistenceManager
       * @return
       */
      public static StoreManagerDebug getConfiguredStoreManager( PersistenceManager persistenceManager )
      {
          return (StoreManagerDebug) ( (org.jpox.PersistenceManager) persistenceManager ).getStoreManager();
      }
  
      @Override
      public int[] executeStatementBatch( String stmt, PreparedStatement ps )
          throws SQLException
      {
          counter++;
          return super.executeStatementBatch( stmt, ps );
      }
  
      @Override
      public ResultSet executeStatementQuery( String stmt, PreparedStatement ps )
          throws SQLException
      {
          counter++;
          return super.executeStatementQuery( stmt, ps );
      }
  
      @Override
      public int executeStatementUpdate( String stmt, PreparedStatement ps )
          throws SQLException
      {
         counter++;
         return super.executeStatementUpdate( stmt, ps );
     }
 
     public void resetCounter()
     {
         counter = 0;
     }
 
     public int counter()
     {
         return counter;
     }
 }