org.apache.tajo.storage

Class TupleComparator

java.lang.Object

org.apache.tajo.storage.TupleComparator

All Implemented Interfaces:

Comparator<Tuple>, ProtoObject<IndexProtos.TupleComparatorProto>

Direct Known Subclasses:

BaseTupleComparator

public abstract class TupleComparator
extends Object
implements Comparator<Tuple>, ProtoObject<IndexProtos.TupleComparatorProto>

Constructor Summary

Constructors

Constructor and Description
TupleComparator()

Method Summary

Methods

Modifier and Type	Method and Description
abstract int	compare(Tuple o1, Tuple o2)
abstract boolean	isAscendingFirstKey()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals

Methods inherited from interface org.apache.tajo.common.ProtoObject

getProto

Constructor Detail

TupleComparator

public TupleComparator()

Method Detail

compare

public abstract int compare(Tuple o1,
          Tuple o2)

Specified by:

compare in interface Comparator<Tuple>

isAscendingFirstKey

public abstract boolean isAscendingFirstKey()