Package org.openrefine.wikibase.schema

Class WbItemVariable

java.lang.Object

org.openrefine.wikibase.schema.WbVariableExpr<org.wikidata.wdtk.datamodel.interfaces.ItemIdValue>

org.openrefine.wikibase.schema.WbItemVariable

All Implemented Interfaces:

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

public class WbItemVariable
extends WbVariableExpr<org.wikidata.wdtk.datamodel.interfaces.ItemIdValue>

An item that depends on a reconciled value in a column.

Author:

Antonin Delpeuch

Field Summary

Fields

Modifier and Type	Field	Description
static String	INVALID_ITEM_ID_FORMAT_WARNING_TYPE

Fields inherited from class org.openrefine.wikibase.schema.WbVariableExpr

NO_VALUE_KEYWORD, SOME_VALUE_KEYWORD

Constructor Summary

Constructors

Constructor	Description
WbItemVariable()
WbItemVariable(String columnName)	Constructs a variable and sets the column it is bound to.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object other)
org.wikidata.wdtk.datamodel.interfaces.ItemIdValue	fromCell(Cell cell, ExpressionContext ctxt)	Method that should be implemented by subclasses, converting an OpenRefine cell to a Wikibase value.

Methods inherited from class org.openrefine.wikibase.schema.WbVariableExpr

equalAsVariables, evaluate, getColumnName, hashCode, setColumnName, validate

Methods inherited from class java.lang.Object

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

Field Detail

INVALID_ITEM_ID_FORMAT_WARNING_TYPE

public static final String INVALID_ITEM_ID_FORMAT_WARNING_TYPE

See Also:

Constant Field Values

Constructor Detail

WbItemVariable

public WbItemVariable()

WbItemVariable

public WbItemVariable(String columnName)

Constructs a variable and sets the column it is bound to. Mostly used as a convenience method for testing.

Parameters:

columnName - the name of the column the expression should draw its value from

Method Detail

fromCell

public org.wikidata.wdtk.datamodel.interfaces.ItemIdValue fromCell(Cell cell,
                                                                   ExpressionContext ctxt)
                                                            throws SkipSchemaExpressionException,
                                                                   QAWarningException

Description copied from class: WbVariableExpr

Method that should be implemented by subclasses, converting an OpenRefine cell to a Wikibase value. Access to other values and emitting warnings is possible via the supplied EvaluationContext object.

Specified by:

fromCell in class WbVariableExpr<org.wikidata.wdtk.datamodel.interfaces.ItemIdValue>

Parameters:

cell - the cell to convert

ctxt - the evaluation context

Returns:

the corresponding Wikibase value

Throws:

SkipSchemaExpressionException

QAWarningException

equals

public boolean equals(Object other)

Overrides:

equals in class Object