dragon.ir.query

Class SimpleTermPredicate

java.lang.Object

dragon.ir.query.AbstractIRQuery

dragon.ir.query.AbstractPredicate

dragon.ir.query.SimpleTermPredicate

All Implemented Interfaces:

IRQuery, Predicate, FrequencySortable, IndexSortable, SortedElement, WeightSortable

public class SimpleTermPredicate
extends AbstractPredicate
implements SortedElement

Simple term predicate

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Field Summary

Fields inherited from class dragon.ir.query.AbstractPredicate

constraint, expressionType, predicateType, weight

Fields inherited from class dragon.ir.query.AbstractIRQuery

children, optr

Fields inherited from interface dragon.ir.query.Predicate

PREDICATE_BOOL, PREDICATE_QUALIFIER, PREDICATE_RELATION, PREDICATE_SIMPLE, PREDICATE_TERM

Constructor Summary

Constructors

Constructor and Description
SimpleTermPredicate(SimpleExpression constraint)
SimpleTermPredicate(String[] predicate)

Method Summary

Modifier and Type	Method and Description
SimpleTermPredicate	copy()
int	getDocFrequency()
String	getField()
int	getFrequency()
int	getIndex()
String	getKey()
String	getTestValue()
protected void	parse(String[] predicate)
void	setDocFrequency(int freq)
void	setFrequency(int freq)
void	setIndex(int index)
String	toSQLExpression()
String	toString()

Methods inherited from class dragon.ir.query.AbstractPredicate

getChild, getChildNum, getConstraint, getOperator, getSelectivity, getWeight, isBoolPredicate, isCompoundQuery, isPredicate, isQualifierPredicate, isRelationPredicate, isSimplePredicate, isTermPredicate, parse, setWeight

Methods inherited from class dragon.ir.query.AbstractIRQuery

getQueryKey, getTokenList, isRelBoolQuery, isRelSimpleQuery, setQueryKey

Methods inherited from class java.lang.Object

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

Methods inherited from interface dragon.nlp.compare.WeightSortable

getWeight, setWeight

Methods inherited from interface dragon.ir.query.IRQuery

getQueryKey, isRelBoolQuery, isRelSimpleQuery, setQueryKey

Constructor Detail

SimpleTermPredicate

public SimpleTermPredicate(String[] predicate)

SimpleTermPredicate

public SimpleTermPredicate(SimpleExpression constraint)

Method Detail

parse

protected void parse(String[] predicate)

Specified by:

parse in class AbstractPredicate

copy

public SimpleTermPredicate copy()

getKey

public String getKey()

getField

public String getField()

getTestValue

public String getTestValue()

toSQLExpression

public String toSQLExpression()

Specified by:

toSQLExpression in interface Predicate

toString

public String toString()

Specified by:

toString in interface IRQuery

Specified by:

toString in interface Predicate

Overrides:

toString in class AbstractIRQuery

getDocFrequency

public int getDocFrequency()

setDocFrequency

public void setDocFrequency(int freq)

getFrequency

public int getFrequency()

Specified by:

getFrequency in interface FrequencySortable

setFrequency

public void setFrequency(int freq)

Specified by:

setFrequency in interface FrequencySortable

getIndex

public int getIndex()

Specified by:

getIndex in interface IndexSortable

setIndex

public void setIndex(int index)

Specified by:

setIndex in interface IndexSortable