public interface Comparison<T>
Comparatorimplementations when required internally. In the case of Hadoop,
Serializationimplementations that present alternative serialization implementations for custom types manged by
Tuples should also implement the
getComparator(Class)method. During runtime Cascading can identify and use the correct Comparator during grouping operations if it was not given explicitly on the
Fields.setComparator(Comparable, java.util.Comparator)family of methods. See the class
BytesSerializationfor an example. see cascading.tuple.hadoop.BytesSerialization
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