// BSD License (http://www.galagosearch.org/license)

 package org.galagosearch.tupleflow;

 import java.io.IOException;

 import org.galagosearch.tupleflow.execution.Verified;

 import org.galagosearch.tupleflow.types.XMLFragment;

 /**

  *

  * @author trevor

  */

 @InputClass(className="org.galagosearch.tupleflow.types.XMLFragment")

 @OutputClass(className="org.galagosearch.tupleflow.types.XMLFragment", order={"+nodePath"})

 @Verified

 public class XMLMinimum extends StandardStep<XMLFragment, XMLFragment> {

     double minimum = 0;

     String key = "";

     public void process(XMLFragment fragment) {

         if(key == null) 

             key = fragment.nodePath;

         minimum = Math.min(minimum, Double.parseDouble(fragment.innerText));

         System.err.println("XMLMinimum: " + minimum);

     }

     public void close() throws IOException {

         processor.process(new XMLFragment(key, Double.toString(minimum)));

         super.close();

     }

 }