Package org.apache.hadoop.record

Class RecordComparator

java.lang.Object

org.apache.hadoop.io.WritableComparator

org.apache.hadoop.record.RecordComparator

All Implemented Interfaces:

java.util.Comparator, org.apache.hadoop.conf.Configurable, org.apache.hadoop.io.RawComparator

@Deprecated
@Public
@Stable
public abstract class RecordComparator
extends org.apache.hadoop.io.WritableComparator

Deprecated.

Replaced by Avro.

A raw record comparator base class

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RecordComparator(java.lang.Class<? extends org.apache.hadoop.io.WritableComparable> recordClass)	Deprecated. Construct a raw Record comparison implementation.

Method Summary

Modifier and Type	Method	Description
abstract int	compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2)	Deprecated.
static void	define(java.lang.Class c, RecordComparator comparator)	Deprecated. Register an optimized comparator for a Record implementation.

Methods inherited from class org.apache.hadoop.io.WritableComparator

compare, compare, compareBytes, define, get, get, getConf, getKeyClass, hashBytes, hashBytes, newKey, readDouble, readFloat, readInt, readLong, readUnsignedShort, readVInt, readVLong, setConf

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, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

RecordComparator

protected RecordComparator(java.lang.Class<? extends org.apache.hadoop.io.WritableComparable> recordClass)

Deprecated.

Construct a raw Record comparison implementation.

Method Detail

compare

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

Deprecated.

Specified by:

compare in interface org.apache.hadoop.io.RawComparator

Overrides:

compare in class org.apache.hadoop.io.WritableComparator

define

public static void define(java.lang.Class c,
                          RecordComparator comparator)

Deprecated.

Register an optimized comparator for a Record implementation.

Parameters:

c - record classs for which a raw comparator is provided

comparator - Raw comparator instance for class c