cascading.tuple.hadoop.util

Class BaseTupleComparator

java.lang.Object

org.apache.hadoop.conf.Configured

cascading.tuple.hadoop.util.DeserializerComparator<Tuple>

cascading.tuple.hadoop.util.BaseTupleComparator

All Implemented Interfaces:

java.util.Comparator<Tuple>, Configurable, RawComparator<Tuple>

Direct Known Subclasses:

TupleComparator

public abstract class BaseTupleComparator
extends DeserializerComparator<Tuple>
implements Configurable

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static interface	BaseTupleComparator.RawComparison

Field Summary

Fields inherited from class cascading.tuple.hadoop.util.DeserializerComparator

groupComparators, keyTypes, lhsBuffer, lhsStream, rhsBuffer, rhsStream, tupleSerialization

Constructor Summary

Constructors

Constructor and Description
BaseTupleComparator()

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	canPerformRawComparisons()
int	compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2)
int	compare(Tuple lhs, Tuple rhs)
protected abstract BaseTupleComparator.RawComparison	getByteComparison()
protected BaseTupleComparator.RawComparison	getStreamComparison()
void	setConf(Configuration conf)

Methods inherited from class cascading.tuple.hadoop.util.DeserializerComparator

compareTuples, compareTuples, getFieldComparatorsFrom, getHadoopTupleInputStream, performRawComparison

Methods inherited from class org.apache.hadoop.conf.Configured

getConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

BaseTupleComparator

public BaseTupleComparator()

Method Detail

canPerformRawComparisons

protected boolean canPerformRawComparisons()

Overrides:

canPerformRawComparisons in class DeserializerComparator<Tuple>

setConf

public void setConf(Configuration conf)

Specified by:

setConf in interface Configurable

Overrides:

setConf in class DeserializerComparator<Tuple>

getStreamComparison

protected BaseTupleComparator.RawComparison getStreamComparison()

getByteComparison

protected abstract BaseTupleComparator.RawComparison getByteComparison()

compare

public int compare(byte[] b1,
          int s1,
          int l1,
          byte[] b2,
          int s2,
          int l2)

Specified by:

compare in interface RawComparator<Tuple>

compare

public int compare(Tuple lhs,
          Tuple rhs)

Specified by:

compare in interface java.util.Comparator<Tuple>