public static class LongWritable.DecreasingComparator extends LongWritable.Comparator
Constructor and Description |
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LongWritable.DecreasingComparator() |
Modifier and Type | Method and Description |
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int |
compare(byte[] b1,
int s1,
int l1,
byte[] b2,
int s2,
int l2)
Optimization hook.
|
int |
compare(WritableComparable a,
WritableComparable b)
Compare two WritableComparables.
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compare, compareBytes, define, get, get, getConf, getKeyClass, hashBytes, hashBytes, newKey, readDouble, readFloat, readInt, readLong, readUnsignedShort, readVInt, readVLong, setConf
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
equals
public LongWritable.DecreasingComparator()
public int compare(WritableComparable a, WritableComparable b)
WritableComparator
The default implementation uses the natural ordering, calling Comparable.compareTo(Object)
.
compare
in class WritableComparator
public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2)
WritableComparator
The default implementation reads the data into two WritableComparable
s (using Writable.readFields(DataInput)
, then calls WritableComparator.compare(WritableComparable,WritableComparable)
.
compare
in interface RawComparator
compare
in class LongWritable.Comparator
b1
- 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.Copyright © 2017 Apache Software Foundation. All Rights Reserved.