package api.classes;

 import java.util.LinkedHashMap;

 import java.util.List;

 import java.util.Map;

 // BEGIN: grow.compute

 public abstract class Compute {

     /**

      * @return list of strings to work with 

      * @since 1.0 */

     public abstract List<String> getData();

     /** Computes the strings to work with together with their 

      * associated descriptions. Shall be overriden in subclasses. 

      * By default delegates to {@link #getData}

      * and uses the provided strings as both, the string 

      * and its description.

      * 

      * @return name to description pairs to work with 

      * @since 2.0 */

     public Map<String,String> getDataAndDescription() {

         LinkedHashMap<String,String> ret = 

             new LinkedHashMap<String, String>();

         for (String s : getData()) {

             ret.put(s, s);

         }

         return ret;

     }

 }

 // END: grow.compute