Package org.openrefine.wikibase.schema

Class WbPropConstant

java.lang.Object

org.openrefine.wikibase.schema.WbPropConstant

All Implemented Interfaces:

WbExpression<org.wikidata.wdtk.datamodel.interfaces.PropertyIdValue>

public class WbPropConstant
extends Object
implements WbExpression<org.wikidata.wdtk.datamodel.interfaces.PropertyIdValue>

A constant property, that does not change depending on the row

Author:

Antonin Delpeuch

Constructor Summary

Constructors

Constructor	Description
WbPropConstant(String pid, String label, String datatype)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object other)
org.wikidata.wdtk.datamodel.interfaces.PropertyIdValue	evaluate(ExpressionContext ctxt)	Evaluates the value expression in a given context, returns a Wikibase value suitable to be the target of a claim.
String	getDatatype()
String	getLabel()
String	getPid()
int	hashCode()
void	validate(ValidationState validation)	Check that this expression is fully formed and ready to be evaluated.

Methods inherited from class java.lang.Object

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

Constructor Detail

WbPropConstant

public WbPropConstant(String pid,
                      String label,
                      String datatype)

Method Detail

validate

public void validate(ValidationState validation)

Description copied from interface: WbExpression

Check that this expression is fully formed and ready to be evaluated.

Specified by:

validate in interface WbExpression<org.wikidata.wdtk.datamodel.interfaces.PropertyIdValue>

Parameters:

validation - the state in which to log any validation errors

evaluate

public org.wikidata.wdtk.datamodel.interfaces.PropertyIdValue evaluate(ExpressionContext ctxt)

Description copied from interface: WbExpression

Evaluates the value expression in a given context, returns a Wikibase value suitable to be the target of a claim. As a premise to calling that method, we assume that calling WbExpression.validate(ValidationState) did not log any error in the validation state.

Specified by:

evaluate in interface WbExpression<org.wikidata.wdtk.datamodel.interfaces.PropertyIdValue>

getPid

public String getPid()

getLabel

public String getLabel()

getDatatype

public String getDatatype()

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object