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Enterprise JavaBeans 3.1, 6th Edition
book

Enterprise JavaBeans 3.1, 6th Edition

by Andrew Lee Rubinger, Bill Burke
September 2010
Intermediate to advanced content levelIntermediate to advanced
766 pages
18h 35m
English
O'Reilly Media, Inc.
Content preview from Enterprise JavaBeans 3.1, 6th Edition

Source Listing

Following is a full listing of all source code used in this runnable example.

Implementation Resources

CalculatorBeanBase.java

package org.jboss.ejb3.examples.ch04.firstejb;

import org.jboss.logging.Logger;

/**
 * Base for bean implementation classes of the CalculatorEJB,
 * provides business logic for required contracts
 *
 * @author <a href="mailto:andrew.rubinger@jboss.org">ALR</a>
 */
public class CalculatorBeanBase implements CalculatorCommonBusiness
{
   // ---------------------------------------------------------------------------||
   // Class Members -------------------------------------------------------------||
   // ---------------------------------------------------------------------------||

   /**
    * Logger
    */
   private static final Logger log = Logger.getLogger(CalculatorBeanBase.class);

   // ---------------------------------------------------------------------------||
   // Required Implementations --------------------------------------------------||
   // ---------------------------------------------------------------------------||

   /**
    * {@inheritDoc}
    * @see org.jboss.ejb3.examples.ch04.firstejb.CalculatorCommonBusiness#add(int
[])
    */
   @Override
   public int add(final int... arguments)
   {
      // Initialize
      final StringBuffer sb = new StringBuffer();
      sb.append("Adding arguments: ");
      int result = 0;

      // Add all arguments
      for (final int arg : arguments)
      {
         result += arg;
         sb.append(arg);
         sb.append(" ");
      }

      // Return
      log.info(sb.toString());
      log.info("Result: " + result);
      return result;
   }

}

CalculatorCommonBusiness.java ...

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Publisher Resources

ISBN: 9781449399139Errata Page