SplitAndProjectToFields.java

package storm.cookbook.tfidf.functions;

import backtype.storm.tuple.Values;
import storm.trident.operation.BaseFunction;
import storm.trident.operation.TridentCollector;
import storm.trident.tuple.TridentTuple;

@SuppressWarnings("serial")
public class SplitAndProjectToFields extends BaseFunction {

	public void execute(TridentTuple tuple, TridentCollector collector) {
		Values vals = new Values();
		for (String word : tuple.getString(0).split(" ")) {
			if (word.length() > 0) {
				vals.add(word);
			}
		}
		collector.emit(vals);

	}

}