edu.washington.cs.knowitall.rule.constraint
Class CaptureConstraint

java.lang.Object
  edu.washington.cs.knowitall.rule.constraint.Constraint
      edu.washington.cs.knowitall.rule.constraint.CaptureConstraint

Direct Known Subclasses:

AbstractPatternConstraint, AbstractRegexConstraint, PartConstraint, TypeConstraint

public abstract class CaptureConstraint
extends Constraint

A constraint that can be used in an argument.

Author:

schmmd

Field Summary

Fields inherited from class edu.washington.cs.knowitall.rule.constraint.Constraint

part

Constructor Summary

protected	CaptureConstraint(org.jdom.Element e)
	CaptureConstraint(ExtractionPart part)

Method Summary

String	value(RelationExtraction relation) Return the part of the extraction captured by the relation.
protected abstract String	value(TokenSequence extraction)

Methods inherited from class edu.washington.cs.knowitall.rule.constraint.Constraint

check, check, create, create, create, equals, fromXmlElement, generalize, getConstraintClass, hashCode, simplify, size, subsumes, toString, toString, toString, toXmlElement

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

CaptureConstraint

public CaptureConstraint(ExtractionPart part)

CaptureConstraint

protected CaptureConstraint(org.jdom.Element e)

Method Detail

value

public String value(RelationExtraction relation)

Return the part of the extraction captured by the relation.

Parameters:

relation - the captured text, or null.

Returns:

value

protected abstract String value(TokenSequence extraction)

Parameters:

extraction -

Returns:

the matching string, or null