uk.ac.gla.terrier.structures.indexing.singlepass
Class RunsMerger.PostingComparator

java.lang.Object
  uk.ac.gla.terrier.structures.indexing.singlepass.RunsMerger.PostingComparator

All Implemented Interfaces:

java.io.Serializable, java.util.Comparator<RunIterator>

Enclosing class:

RunsMerger

public static class RunsMerger.PostingComparator
extends java.lang.Object
implements java.util.Comparator<RunIterator>, java.io.Serializable

Implements a comparator for RunIterators (so it can be used by the queue). It decides the next reader by the lexicographical order of the terms in the top elements of the readers.

Author:

Roi Blanco and Craig Macdonald

See Also:

Serialized Form

Constructor Summary

RunsMerger.PostingComparator()

Method Summary

int	compare(RunIterator a, RunIterator b)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

RunsMerger.PostingComparator

public RunsMerger.PostingComparator()

Method Detail

compare

public int compare(RunIterator a,
                   RunIterator b)

Specified by:

compare in interface java.util.Comparator<RunIterator>