org.egothor.query
Class QOr

java.lang.Object
  org.egothor.core.query.Query
      org.egothor.query.QOr

public class QOr
extends Query

The QOr object represents an OR operator in a query. The user has made a query for documents containing termA OR termB.

Author:

Leo Galambos

Field Summary

Fields inherited from class org.egothor.core.query.Query

MODEL_BOOLEAN, MODEL_FUZZY_M, MODEL_VECTOR

Constructor Summary

QOr(Query a, Query b)
Constructor for the QOr object.

Method Summary

void	addTerms(java.util.HashSet<Token> to) Add the given HashSet of terms to this Query.
Query	applyCWI(CWI cwi) Return a QOr object with the given CWI applied to both sides of the query.
Runner	attach(Rider r) Return an OrRunner which is the binary representation of this clausula.
org.w3c.dom.Node	explain(org.w3c.dom.Document doc) Description of the Method
java.lang.String	getNodeName() Gets the nodeName attribute of the QOr object
void	setModel(int model) Sets the model attribute of the QOr object
java.lang.String	toString() Return a string representation of this object.

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

getExcluded, getModel, getProhibited, getRequired, getUnknown, isRequiredOrProhibited, setExcluded, setProhibited, setRequired, setUnknown

Methods inherited from class java.lang.Object

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

Constructor Detail

QOr

public QOr(Query a,
           Query b)

Constructor for the QOr object.

Parameters:

a - the first query

b - the second query

Method Detail

setModel

public void setModel(int model)

Sets the model attribute of the QOr object

Overrides:

setModel in class Query

Parameters:

model - The new model value

getNodeName

public java.lang.String getNodeName()

Gets the nodeName attribute of the QOr object

Specified by:

getNodeName in class Query

Returns:

The nodeName value

explain

public org.w3c.dom.Node explain(org.w3c.dom.Document doc)
                         throws org.w3c.dom.DOMException

Description of the Method

Overrides:

explain in class Query

Parameters:

doc - Description of the Parameter

Returns:

Description of the Return Value

Throws:

org.w3c.dom.DOMException - Description of the Exception

toString

public java.lang.String toString()

Return a string representation of this object.

Overrides:

toString in class java.lang.Object

Returns:

queryA OR queryB

attach

public Runner attach(Rider r)

Return an OrRunner which is the binary representation of this clausula.

Overrides:

attach in class Query

Parameters:

r - the Rider

Returns:

an OrRunner

addTerms

public void addTerms(java.util.HashSet<Token> to)

Add the given HashSet of terms to this Query.

Overrides:

addTerms in class Query

Parameters:

to - a HashSet containing the terms to be added

applyCWI

public Query applyCWI(CWI cwi)

Return a QOr object with the given CWI applied to both sides of the query.

Overrides:

applyCWI in class Query

Parameters:

cwi - the CWI

Returns:

a Query. When the CWI is null, it simply returns this object.