org.apache.nutch.db
Class WebDBWriter.LinkInstruction.MD5Comparator

java.lang.Object
  org.apache.nutch.io.WritableComparator
      org.apache.nutch.db.WebDBWriter.LinkInstruction.MD5Comparator

All Implemented Interfaces:

Comparator

Enclosing class:

WebDBWriter.LinkInstruction

public static class WebDBWriter.LinkInstruction.MD5Comparator

extends WritableComparator

Sorts the instruction first by Md5, then by opcode.

Constructor Summary

WebDBWriter.LinkInstruction.MD5Comparator()

Method Summary

int	compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) Optimized comparator.
int	compare(WritableComparable a, WritableComparable b) Compare two WritableComparables.

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

compare, compareBytes, define, get, getKeyClass, newKey, readFloat, readInt, readLong, readUnsignedShort

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

Constructor Detail

WebDBWriter.LinkInstruction.MD5Comparator

public WebDBWriter.LinkInstruction.MD5Comparator()

Method Detail

compare

public int compare(WritableComparable a,
                   WritableComparable b)

Description copied from class: WritableComparator

Compare two WritableComparables.

The default implementation uses the natural ordering, calling Comparable.compareTo(Object).

Overrides:

compare in class WritableComparator

compare

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

Optimized comparator.

Overrides:

compare in class WritableComparator