com.hmsonline.storm.cassandra.bolt.mapper.RangeQueryTupleMapper Maven / Gradle / Ivy

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package com.hmsonline.storm.cassandra.bolt.mapper;

import backtype.storm.tuple.Tuple;

public interface RangeQueryTupleMapper extends TupleMapper {

    /**
     * 
     * @param tuple
     * @return return value of column for start range
     */
    public C mapToStartkey(Tuple tuple);

    /**
     * 
     * @param tuple
     * @return return value of column for end range
     */
    public C mapToEndkey(Tuple tuple);
}