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Fix snak grouping for qualifiers and references in Wikidata extension.

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Closes #1680.
This commit is contained in:
Antonin Delpeuch 2018-07-17 16:35:12 +01:00
parent 9f7d5b8786
commit cb43ca2454
3 changed files with 36 additions and 8 deletions
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5
extensions/wikidata/src/org/openrefine/wikidata/schema/WbReferenceExpr.java
View File

@ -59,16 +59,15 @@ public class WbReferenceExpr implements WbExpression<Reference> {
@Override
public Reference evaluate(ExpressionContext ctxt)
throws SkipSchemaExpressionException {
List<SnakGroup> snakGroups = new ArrayList<SnakGroup>();
List<Snak> snakList = new ArrayList<Snak>();
for (WbSnakExpr expr : getSnaks()) {
List<Snak> snakList = new ArrayList<Snak>(1);
try {
snakList.add(expr.evaluate(ctxt));
snakGroups.add(Datamodel.makeSnakGroup(snakList));
} catch (SkipSchemaExpressionException e) {
continue;
}
}
List<SnakGroup> snakGroups = WbStatementExpr.groupSnaks(snakList);
if (!snakGroups.isEmpty()) {
return Datamodel.makeReference(snakGroups);
} else {

22
extensions/wikidata/src/org/openrefine/wikidata/schema/WbStatementExpr.java
View File

@ -25,7 +25,10 @@ package org.openrefine.wikidata.schema;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import org.jsoup.helper.Validate;
import org.openrefine.wikidata.qa.QAWarning;
@ -69,13 +72,22 @@ public class WbStatementExpr {
}
public static List<SnakGroup> groupSnaks(List<Snak> snaks) {
List<SnakGroup> snakGroups = new ArrayList<SnakGroup>();
Map<PropertyIdValue, List<Snak>> snakGroups = new HashMap<>();
List<PropertyIdValue> propertyOrder = new ArrayList<PropertyIdValue>();
for (Snak snak : snaks) {
List<Snak> singleton = new ArrayList<Snak>();
singleton.add(snak);
snakGroups.add(Datamodel.makeSnakGroup(singleton));
List<Snak> existingSnaks = snakGroups.get(snak.getPropertyId());
if(existingSnaks == null) {
existingSnaks = new ArrayList<Snak>();
snakGroups.put(snak.getPropertyId(), existingSnaks);
propertyOrder.add(snak.getPropertyId());
}
if (!existingSnaks.contains(snak)) {
existingSnaks.add(snak);
}
}
return snakGroups;
return propertyOrder.stream()
.map(pid -> Datamodel.makeSnakGroup(snakGroups.get(pid)))
.collect(Collectors.toList());
}
public Statement evaluate(ExpressionContext ctxt, ItemIdValue subject, PropertyIdValue propertyId)

17
extensions/wikidata/tests/src/org/openrefine/wikidata/schema/WbStatementExprTest.java
View File

@ -55,6 +55,11 @@ public class WbStatementExprTest extends WbExpressionTest<Statement> {
private WbLocationVariable mainValueExpr = new WbLocationVariable("column C");
public WbStatementExpr statementExpr = new WbStatementExpr(mainValueExpr, Collections.singletonList(qualifierExpr),
Collections.singletonList(refExpr));
private WbSnakExpr constantQualifierExpr = new WbSnakExpr(new WbPropConstant("P897", "point in time", "time"),
new WbDateConstant("2018-04-05"));
public WbStatementExpr statementWithConstantExpr = new WbStatementExpr(mainValueExpr,
Arrays.asList(qualifierExpr, constantQualifierExpr),
Collections.singletonList(refExpr));
public ItemIdValue subject = Datamodel.makeWikidataItemIdValue("Q23");
private PropertyIdValue property = Datamodel.makeWikidataPropertyIdValue("P908");
@ -63,12 +68,18 @@ public class WbStatementExprTest extends WbExpressionTest<Statement> {
Datamodel.makeWikidataItemIdValue("Q3434"))))));
private Snak qualifier = Datamodel.makeValueSnak(Datamodel.makeWikidataPropertyIdValue("P897"),
Datamodel.makeTimeValue(2010, (byte) 7, (byte) 23, (byte) 0, (byte) 0, (byte) 0, (byte) 11, 0, 0, 0, TimeValue.CM_GREGORIAN_PRO));
private Snak constantQualifier = Datamodel.makeValueSnak(Datamodel.makeWikidataPropertyIdValue("P897"),
Datamodel.makeTimeValue(2018, (byte) 4, (byte) 5, (byte) 0, (byte) 0, (byte) 0, (byte) 11, 0, 0, 0, TimeValue.CM_GREGORIAN_PRO));
private Snak mainsnak = Datamodel.makeValueSnak(property, Datamodel.makeGlobeCoordinatesValue(3.898, 4.389,
WbLocationConstant.defaultPrecision, GlobeCoordinatesValue.GLOBE_EARTH));
private Claim fullClaim = Datamodel.makeClaim(subject, mainsnak,
Collections.singletonList(Datamodel.makeSnakGroup(Collections.singletonList(qualifier))));
public Statement fullStatement = Datamodel.makeStatement(fullClaim, Collections.singletonList(reference),
StatementRank.NORMAL, "");
public Claim claimWithConstant = Datamodel.makeClaim(subject, mainsnak,
Collections.singletonList(Datamodel.makeSnakGroup(Arrays.asList(qualifier, constantQualifier))));
public Statement statementWithConstant = Datamodel.makeStatement(claimWithConstant, Collections.singletonList(reference),
StatementRank.NORMAL, "");
class Wrapper implements WbExpression<Statement> {
@ -105,6 +116,12 @@ public class WbStatementExprTest extends WbExpressionTest<Statement> {
setRow(recon("Q3434"), "2010-07-23", "3.898,4.389");
evaluatesTo(fullStatement, new Wrapper(statementExpr));
}
@Test
public void testEvaluateWithConstant() {
setRow(recon("Q3434"), "2010-07-23", "3.898,4.389");
evaluatesTo(statementWithConstant, new Wrapper(statementWithConstantExpr));
}
@Test
public void testEvaluateWithoutReference() {