org.egothor.query.runner.enhanced
Class OrRunner

java.lang.Object
  org.egothor.core.query.Runner
      org.egothor.query.runner.OrRunner
          org.egothor.query.runner.enhanced.OrRunner

public class OrRunner
extends OrRunner

This object represents a binary form of a OR b formula. This Runner is used when a user wishes to query for documents containing one word or another. For example, the user might wish to query for documents containing BASS or GUITAR. The form of this query would be given as:

BASS||GUITAR.

Author:

Leo Galambos

Field Summary

Fields inherited from class org.egothor.query.runner.OrRunner

a, b

Constructor Summary

OrRunner(int model, Runner a, Runner b)
Constructor for the OrRunner object

Method Summary

int	evaluate(long uid) Return the calculated similarity.

Methods inherited from class org.egothor.query.runner.OrRunner

invalidReason, terms

Methods inherited from class org.egothor.core.query.Runner

run

Methods inherited from class java.lang.Object

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

Constructor Detail

OrRunner

public OrRunner(int model,
                Runner a,
                Runner b)

Constructor for the OrRunner object

Parameters:

model - Description of the Parameter

a - the Runner for the first query

b - the Runner for the second query

Method Detail

evaluate

public int evaluate(long uid)

Return the calculated similarity. Returns 0 iff both arguments of formula returns non-positive similarities.

Overrides:

evaluate in class OrRunner

Parameters:

uid - the unique ID of the document to check

Returns:

the similarity