com.lambda.stack.HashTagMapper.java Source code

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Here is the source code for com.lambda.stack.HashTagMapper.java

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package com.lambda.stack;

import java.util.LinkedList;
import java.util.List;
import org.apache.spark.api.java.function.PairFlatMapFunction;
import scala.Tuple2;
import twitter4j.HashtagEntity;
import twitter4j.Status;

/**
 *
 * @author uriel
 */
public class HashTagMapper implements PairFlatMapFunction<Status, String, Integer> {

    @Override
    public Iterable<Tuple2<String, Integer>> call(Status t) throws Exception {
        List<Tuple2<String, Integer>> result = new LinkedList<>();

        for (HashtagEntity he : t.getHashtagEntities()) {
            result.add(new Tuple2<>(he.getText(), Integer.valueOf(1)));

        }

        return result;
    }

}