net.nutch.db
Class WebDBWriter.PageInstruction.UrlComparator

java.lang.Object
  net.nutch.io.WritableComparator
      net.nutch.db.WebDBWriter.PageInstruction.UrlComparator

Enclosing class:

WebDBWriter.PageInstruction

public static class WebDBWriter.PageInstruction.UrlComparator

extends WritableComparator

Sorts the instruction first by url, then by opcode.

Constructor Summary

WebDBWriter.PageInstruction.UrlComparator()

Method Summary

int	compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) Optimized comparator.
int	compare(WritableComparable a, WritableComparable b) We need to sort by ordered URLs.

Methods inherited from class net.nutch.io.WritableComparator

compareBytes, getKeyClass, newKey, readFloat, readInt, readLong, readUnsignedShort

Methods inherited from class java.lang.Object

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

Constructor Detail

WebDBWriter.PageInstruction.UrlComparator

public WebDBWriter.PageInstruction.UrlComparator()

Method Detail

compare

public int compare(WritableComparable a,
                   WritableComparable b)

We need to sort by ordered URLs. First, we sort by URL, then by opcode.

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