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Utility classes, APIs and tools for Java

There is a newer version: 0.99-alpha1

package net.sf.javagimmicks.lang;

/**
 * An implementation of {@link ObjectContainer} that creates the instance using
 * when it is requested for the first time using an underlying {@link Factory}
 * which is commonly known as "lazy loading" pattern.
 * 
 * @param 
 *           the type of object the container can carries
 */
public class CreateOnDemandObjectContainer extends AbstractCreateOnDemandObjectContainer
{
   private E _instance;

   /**
    * Creates a new instance for the given {@link Factory}
    * 
    * @param factory
    *           the {@link Factory} to use for creating the instance
    */
   public CreateOnDemandObjectContainer(final Factory factory)
   {
      super(factory);
   }

   @Override
   protected E getInstance()
   {
      return _instance;
   }

   @Override
   protected void setInstance(final E instance)
   {
      _instance = instance;
   }
}