The Algebraic interface
Monday, February 28, 2011
1:31 PM
public interface Algebraic{
    public String getInitial();
    public String getIntermed();
    public String getFinal();
}
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getInitial: return the name of a class used in the map step. 
getIntermed: return the name of a class used in the combine step. getFinal: return the name of a class used in the reduce step. 