@Deprecated @InterfaceAudience.Public @InterfaceStability.Stable public abstract class RecordComparator extends WritableComparator
| Modifier | Constructor and Description |
|---|---|
protected |
RecordComparator(Class<? extends WritableComparable> recordClass)
Deprecated.
Construct a raw
Record comparison implementation. |
| Modifier and Type | Method and Description |
|---|---|
abstract int |
compare(byte[] b1,
int s1,
int l1,
byte[] b2,
int s2,
int l2)
Deprecated.
Optimization hook.
|
static void |
define(Class c,
RecordComparator comparator)
Deprecated.
Register an optimized comparator for a
Record implementation. |
compare, compare, compareBytes, define, get, get, getConf, getKeyClass, hashBytes, hashBytes, newKey, readDouble, readFloat, readInt, readLong, readUnsignedShort, readVInt, readVLong, setConfclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitequalsprotected RecordComparator(Class<? extends WritableComparable> recordClass)
Record comparison implementation.public abstract int compare(byte[] b1,
int s1,
int l1,
byte[] b2,
int s2,
int l2)
WritableComparatorThe default implementation reads the data into two WritableComparables (using Writable.readFields(DataInput), then calls WritableComparator.compare(WritableComparable,WritableComparable).
compare in interface RawComparatorcompare in class WritableComparatorb1 - The first byte array.s1 - The position index in b1. The object under comparison's starting index.l1 - The length of the object in b1.b2 - The second byte array.s2 - The position index in b2. The object under comparison's starting index.l2 - The length of the object under comparison in b2.public static void define(Class c, RecordComparator comparator)
Record implementation.c - record classs for which a raw comparator is providedcomparator - Raw comparator instance for class cCopyright © 2022 Apache Software Foundation. All rights reserved.