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Utility classes, APIs and tools for Java

There is a newer version: 0.99-alpha1

package net.sf.javagimmicks.collections.transformer;

import java.util.Comparator;

import net.sf.javagimmicks.util.Function;

class TransformingComparator implements Comparator
{  
   protected final Comparator _internalComparator;
   private final Function _transformer;
   
   /**
    * @deprecated Use TranformerUtils.decorate() instead
    */
   @Deprecated
   public TransformingComparator(Comparator comparator, Function transformer)
   {
      _internalComparator = comparator;
      _transformer = transformer;
   }

   public int compare(T o1, T o2)
   {
      return _internalComparator.compare(_transformer.apply(o1), _transformer.apply(o2));
   }
   
}