Package org.apache.any23.extractor.xpath

Class QuadTemplate

java.lang.Object

org.apache.any23.extractor.xpath.QuadTemplate

public class QuadTemplate
extends Object

This class models a NQuads template, that is a quadruple in which any component can be a variable.

Author:

Michele Mostarda (mostarda@fbk.eu)

Constructor Summary

Constructors

Constructor	Description
QuadTemplate(TemplateSubject subject, TemplatePredicate predicate, TemplateObject object)	Constructor for template with no graph.
QuadTemplate(TemplateSubject subject, TemplatePredicate predicate, TemplateObject object, TemplateGraph graph)	Constructor.

Method Summary

Modifier and Type	Method	Description
TemplateGraph	getGraph()
TemplateObject	getObject()
TemplatePredicate	getPredicate()
TemplateSubject	getSubject()
void	printOut(ExtractionResult er, Map<String,String> variableAssignment)	Prints out this quad template in the given ExtractionResult, using the passed variableAssignment to expand variables.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

QuadTemplate

public QuadTemplate(TemplateSubject subject,
                    TemplatePredicate predicate,
                    TemplateObject object,
                    TemplateGraph graph)

Constructor.

Parameters:

subject - not null subject template.

predicate - not null predicate template.

object - not null object template.

graph - graph template, can be null.

QuadTemplate

public QuadTemplate(TemplateSubject subject,
                    TemplatePredicate predicate,
                    TemplateObject object)

Constructor for template with no graph.

Parameters:

subject - a populated TemplateSubject

predicate - a populated TemplatePredicate

object - a populated TemplateObject

Method Detail

getSubject

public TemplateSubject getSubject()

Returns:

the template subject.

getPredicate

public TemplatePredicate getPredicate()

Returns:

the template predicate.

getObject

public TemplateObject getObject()

Returns:

the template object.

getGraph

public TemplateGraph getGraph()

Returns:

the template graph, can be null.

printOut

public void printOut(ExtractionResult er,
                     Map<String,String> variableAssignment)

Prints out this quad template in the given ExtractionResult, using the passed variableAssignment to expand variables.

Parameters:

er - extraction result instance on which write the quad produced by this template.

variableAssignment - the assignment used to expand variables.

toString

public String toString()

Overrides:

toString in class Object