org.egothor.query.runner.enhanced

Class VectorRunner

java.lang.Object

org.egothor.core.query.Runner

org.egothor.query.runner.VectorRunner

org.egothor.query.runner.enhanced.VectorRunner

public class VectorRunner
extends VectorRunner

A VectorRunner can execute a number of Runners concurrently. The Rider given to the constructor reads the inverted lists of documents and each Runner in the group of Runners given to the constructor is able to calculate a document's similarity to the query.Similarity to the query results in the document being added to the Rider's hit list.

This object represents a binary form of set of formulas (clausulas).

Author:

Leo Galambos

Constructor Summary

Constructors

Constructor and Description
VectorRunner(int model, Rider r, Runner[] w) Constructor for the VectorRunner object.

Method Summary

Modifier and Type	Method and Description
int	evaluate(long uid) Return the calculated similarity between the query and the document with the given unique ID..

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

invalidReason, run, terms

Methods inherited from class java.lang.Object

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

Constructor Detail

VectorRunner

public VectorRunner(int model,
                    Rider r,
                    Runner[] w)

Constructor for the VectorRunner object.

Parameters:

model - Description of the Parameter

r - the Rider which will open the inverted lists

w - the Runners containing the queries

Method Detail

evaluate

public int evaluate(long uid)

Return the calculated similarity between the query and the document with the given unique ID..

Overrides:

evaluate in class VectorRunner

Parameters:

uid - the unique ID of the document in question

Returns:

the similarity