''''Consumer Pattern'''' - ''work in progress''

'''Description'''

You have a group of objects that you would like to use in a certain way depending on what the object actually is.
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'''Example'''

 public interface Product {
 }

 public class Good''''''Product implements Product {...}

 public class Hazardous''''''Product implements Product {...}

 public class Recalled''''''Product implements Product {...}

...

 public class Consume''''''Product {
   private final Consume''''''Product CONSUMER = new 
            Consume''''''Product();

   private Consume''''''Product() {}
   public getInstance() {
      return CONSUMER;
   }

   public boolean test(Product p) {}

''Uh, the above definition is an error in Java; if a function is declared to return a boolean, it should either be abstract or in fact return a boolean.  I assume you meant something else, delete when fixed.''

   public void use(Product p) {}
   public void tag(Product p, Tag t) {}
   ...
 }

 public class Application {
   Recalled''''''Product rp;
   
   rp = new Recalled''''''Product();

   if (Consume''''''Product.test(rp)) {
      Consume''''''Product.use(rp);
   }
   else {
      Consume''''''Product.tag(rp, Tag.BAD);
   }
   ...
 }
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'''Note'''

Not sure if this Pattern is already defined.  It is similar to VisitorPattern but not really sure... comments are welcome.
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'''Comments'''

I know that this page is a work in progress, but what is this pattern used for?  Much of the Java code looks suspicious, and it appears that instantiating a ConsumeProduct retroactively instantiates another ConsumeProduct, and so on...a recursive class definition that never terminates is not a good thing.  Perhaps you left out a "static" declaration; it almost appears you are trying for SingletonPattern, given that you have a method named getIntance()???
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