fixed behaviour of DedupRecordFactory

dhp-workflows/dhp-dedup-openaire/src/main/java/eu/dnetlib/dhp/oa/dedup/DedupRecordFactory.java

@@ -5,29 +5,29 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.collect.Lists;
 import eu.dnetlib.dhp.schema.common.ModelSupport;
 import eu.dnetlib.dhp.schema.oaf.*;
-import eu.dnetlib.pace.config.DedupConfig;
 import java.util.Collection;
 import java.util.Iterator;
-import org.apache.spark.api.java.function.FilterFunction;
 import org.apache.spark.api.java.function.MapFunction;
 import org.apache.spark.api.java.function.MapGroupsFunction;
 import org.apache.spark.sql.Dataset;
 import org.apache.spark.sql.Encoders;
 import org.apache.spark.sql.SparkSession;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import scala.Tuple2;
 
 public class DedupRecordFactory {
 
+    private static final Logger log = LoggerFactory.getLogger(DedupRecordFactory.class);
+
     protected static final ObjectMapper OBJECT_MAPPER =
-            new com.fasterxml.jackson.databind.ObjectMapper()
+            new ObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
-                    .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 
     public static <T extends OafEntity> Dataset<T> createDedupRecord(
             final SparkSession spark,
             final String mergeRelsInputPath,
             final String entitiesInputPath,
-            final Class<T> clazz,
+            final Class<T> clazz) {
-            final DedupConfig dedupConf) {
 
         long ts = System.currentTimeMillis();
 
@@ -54,40 +54,39 @@ public class DedupRecordFactory {
                                         r -> new Tuple2<>(r.getSource(), r.getTarget()),
                                 Encoders.tuple(Encoders.STRING(), Encoders.STRING()));
 
-        // <dedup_id, json_entity_merged>
         return mergeRels
-                .joinWith(entities, mergeRels.col("_1").equalTo(entities.col("_1")), "left_outer")
+                .joinWith(entities, mergeRels.col("_2").equalTo(entities.col("_1")), "inner")
-                .filter(
-                        (FilterFunction<Tuple2<Tuple2<String, String>, Tuple2<String, T>>>)
-                                value -> value._2() != null)
                 .map(
-                        (MapFunction<Tuple2<Tuple2<String, String>, Tuple2<String, T>>, T>)
+                        (MapFunction<
-                                value -> value._2()._2(),
+                                        Tuple2<Tuple2<String, String>, Tuple2<String, T>>,
-                        Encoders.kryo(clazz))
+                                        Tuple2<String, T>>)
-                .groupByKey((MapFunction<T, String>) value -> value.getId(), Encoders.STRING())
+                                value -> new Tuple2<>(value._1()._1(), value._2()._2()),
+                        Encoders.tuple(Encoders.STRING(), Encoders.kryo(clazz)))
+                .groupByKey(
+                        (MapFunction<Tuple2<String, T>, String>) entity -> entity._1(),
+                        Encoders.STRING())
                 .mapGroups(
-                        (MapGroupsFunction<String, T, T>)
+                        (MapGroupsFunction<String, Tuple2<String, T>, T>)
                                 (key, values) -> entityMerger(key, values, ts, clazz),
                         Encoders.bean(clazz));
     }
 
     private static <T extends OafEntity> T entityMerger(
-            String id, Iterator<T> entities, final long ts, Class<T> clazz) {
+            String id, Iterator<Tuple2<String, T>> entities, long ts, Class<T> clazz) {
         try {
             T entity = clazz.newInstance();
             entity.setId(id);
-            if (entity.getDataInfo() == null) {
+            entity.setDataInfo(new DataInfo());
-                entity.setDataInfo(new DataInfo());
-            }
             entity.getDataInfo().setTrust("0.9");
             entity.setLastupdatetimestamp(ts);
 
             final Collection<String> dates = Lists.newArrayList();
             entities.forEachRemaining(
-                    e -> {
+                    t -> {
-                        entity.mergeFrom(e);
+                        T duplicate = t._2();
-                        if (ModelSupport.isSubClass(e, Result.class)) {
+                        entity.mergeFrom(duplicate);
-                            Result r1 = (Result) e;
+                        if (ModelSupport.isSubClass(duplicate, Result.class)) {
+                            Result r1 = (Result) duplicate;
                             Result er = (Result) entity;
                             er.setAuthor(DedupUtility.mergeAuthor(er.getAuthor(), r1.getAuthor()));
 

dhp-workflows/dhp-dedup-openaire/src/main/java/eu/dnetlib/dhp/oa/dedup/SparkCreateDedupRecord.java

@@ -71,7 +71,7 @@ public class SparkCreateDedupRecord extends AbstractSparkAction {
 
             Class<OafEntity> clazz = ModelSupport.entityTypes.get(EntityType.valueOf(subEntity));
 
-            DedupRecordFactory.createDedupRecord(spark, mergeRelPath, entityPath, clazz, dedupConf)
+            DedupRecordFactory.createDedupRecord(spark, mergeRelPath, entityPath, clazz)
                     .map(
                             (MapFunction<OafEntity, String>)
                                     value -> OBJECT_MAPPER.writeValueAsString(value),

dhp-workflows/dhp-dedup-openaire/src/test/java/eu/dnetlib/dhp/oa/dedup/SparkDedupTest.java

@@ -1,10 +1,19 @@
 package eu.dnetlib.dhp.oa.dedup;
 
+import static java.nio.file.Files.createTempDirectory;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.lenient;
+
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
 import eu.dnetlib.dhp.schema.oaf.Relation;
 import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
 import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
 import eu.dnetlib.pace.util.MapDocumentUtil;
+import java.io.File;
+import java.io.IOException;
+import java.io.Serializable;
+import java.net.URISyntaxException;
+import java.nio.file.Paths;
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
 import org.apache.spark.SparkConf;
@@ -23,16 +32,6 @@ import org.mockito.Mockito;
 import org.mockito.junit.jupiter.MockitoExtension;
 import scala.Tuple2;
 
-import java.io.File;
-import java.io.IOException;
-import java.io.Serializable;
-import java.net.URISyntaxException;
-import java.nio.file.Paths;
-
-import static java.nio.file.Files.createTempDirectory;
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.mockito.Mockito.lenient;
-
 @ExtendWith(MockitoExtension.class)
 @TestMethodOrder(MethodOrderer.OrderAnnotation.class)
 public class SparkDedupTest implements Serializable {
@@ -46,65 +45,104 @@ public class SparkDedupTest implements Serializable {
     private static String testGraphBasePath;
     private static String testOutputBasePath;
     private static String testDedupGraphBasePath;
-    private final static String testActionSetId = "test-orchestrator";
+    private static final String testActionSetId = "test-orchestrator";
 
     @BeforeAll
-    private static void cleanUp() throws IOException, URISyntaxException {
+    public static void cleanUp() throws IOException, URISyntaxException {
 
-        testGraphBasePath = Paths.get(SparkDedupTest.class.getResource("/eu/dnetlib/dhp/dedup/entities").toURI()).toFile().getAbsolutePath();
+        testGraphBasePath =
+                Paths.get(
+                                SparkDedupTest.class
+                                        .getResource("/eu/dnetlib/dhp/dedup/entities")
+                                        .toURI())
+                        .toFile()
+                        .getAbsolutePath();
 
-        testOutputBasePath = createTempDirectory(SparkDedupTest.class.getSimpleName() + "-").toAbsolutePath().toString();
+        testOutputBasePath =
-        testDedupGraphBasePath = createTempDirectory(SparkDedupTest.class.getSimpleName() + "-").toAbsolutePath().toString();
+                createTempDirectory(SparkDedupTest.class.getSimpleName() + "-")
+                        .toAbsolutePath()
+                        .toString();
+        testDedupGraphBasePath =
+                createTempDirectory(SparkDedupTest.class.getSimpleName() + "-")
+                        .toAbsolutePath()
+                        .toString();
 
         FileUtils.deleteDirectory(new File(testOutputBasePath));
         FileUtils.deleteDirectory(new File(testDedupGraphBasePath));
 
-        spark = SparkSession
+        spark =
-                .builder()
+                SparkSession.builder()
-                .appName(SparkCreateSimRels.class.getSimpleName())
+                        .appName(SparkCreateSimRels.class.getSimpleName())
-                .master("local[*]")
+                        .master("local[*]")
-                .config(new SparkConf())
+                        .config(new SparkConf())
-                .getOrCreate();
+                        .getOrCreate();
 
         jsc = JavaSparkContext.fromSparkContext(spark.sparkContext());
-
     }
 
     @BeforeEach
-    private void setUp() throws IOException, ISLookUpException {
+    public void setUp() throws IOException, ISLookUpException {
 
-        lenient().when(isLookUpService.getResourceProfileByQuery(Mockito.contains(testActionSetId)))
+        lenient()
-                .thenReturn(IOUtils.toString(SparkDedupTest.class.getResourceAsStream("/eu/dnetlib/dhp/dedup/profiles/mock_orchestrator.xml")));
+                .when(isLookUpService.getResourceProfileByQuery(Mockito.contains(testActionSetId)))
+                .thenReturn(
+                        IOUtils.toString(
+                                SparkDedupTest.class.getResourceAsStream(
+                                        "/eu/dnetlib/dhp/dedup/profiles/mock_orchestrator.xml")));
 
-        lenient().when(isLookUpService.getResourceProfileByQuery(Mockito.contains("organization")))
+        lenient()
-                .thenReturn(IOUtils.toString(SparkDedupTest.class.getResourceAsStream("/eu/dnetlib/dhp/dedup/conf/org.curr.conf.json")));
+                .when(isLookUpService.getResourceProfileByQuery(Mockito.contains("organization")))
+                .thenReturn(
+                        IOUtils.toString(
+                                SparkDedupTest.class.getResourceAsStream(
+                                        "/eu/dnetlib/dhp/dedup/conf/org.curr.conf.json")));
 
-        lenient().when(isLookUpService.getResourceProfileByQuery(Mockito.contains("publication")))
+        lenient()
-                .thenReturn(IOUtils.toString(SparkDedupTest.class.getResourceAsStream("/eu/dnetlib/dhp/dedup/conf/pub.curr.conf.json")));
+                .when(isLookUpService.getResourceProfileByQuery(Mockito.contains("publication")))
-
+                .thenReturn(
-        lenient().when(isLookUpService.getResourceProfileByQuery(Mockito.contains("software")))
+                        IOUtils.toString(
-                .thenReturn(IOUtils.toString(SparkDedupTest.class.getResourceAsStream("/eu/dnetlib/dhp/dedup/conf/sw.curr.conf.json")));
+                                SparkDedupTest.class.getResourceAsStream(
+                                        "/eu/dnetlib/dhp/dedup/conf/pub.curr.conf.json")));
 
+        lenient()
+                .when(isLookUpService.getResourceProfileByQuery(Mockito.contains("software")))
+                .thenReturn(
+                        IOUtils.toString(
+                                SparkDedupTest.class.getResourceAsStream(
+                                        "/eu/dnetlib/dhp/dedup/conf/sw.curr.conf.json")));
     }
 
     @Test
     @Order(1)
     public void createSimRelsTest() throws Exception {
 
-        ArgumentApplicationParser parser = new ArgumentApplicationParser(
+        ArgumentApplicationParser parser =
-                IOUtils.toString(
+                new ArgumentApplicationParser(
-                        SparkCreateSimRels.class.getResourceAsStream("/eu/dnetlib/dhp/oa/dedup/createSimRels_parameters.json")));
+                        IOUtils.toString(
-        parser.parseArgument(new String[]{
+                                SparkCreateSimRels.class.getResourceAsStream(
-                "-i", testGraphBasePath,
+                                        "/eu/dnetlib/dhp/oa/dedup/createSimRels_parameters.json")));
-                "-asi", testActionSetId,
+        parser.parseArgument(
-                "-la", "lookupurl",
+                new String[] {
-                "-w", testOutputBasePath});
+                    "-i", testGraphBasePath,
+                    "-asi", testActionSetId,
+                    "-la", "lookupurl",
+                    "-w", testOutputBasePath
+                });
 
         new SparkCreateSimRels(parser, spark).run(isLookUpService);
 
-        long orgs_simrel = spark.read().load(testOutputBasePath + "/" + testActionSetId + "/organization_simrel").count();
+        long orgs_simrel =
-        long pubs_simrel = spark.read().load(testOutputBasePath + "/" + testActionSetId + "/publication_simrel").count();
+                spark.read()
-        long sw_simrel = spark.read().load(testOutputBasePath + "/" + testActionSetId + "/software_simrel").count();
+                        .load(testOutputBasePath + "/" + testActionSetId + "/organization_simrel")
+                        .count();
+        long pubs_simrel =
+                spark.read()
+                        .load(testOutputBasePath + "/" + testActionSetId + "/publication_simrel")
+                        .count();
+        long sw_simrel =
+                spark.read()
+                        .load(testOutputBasePath + "/" + testActionSetId + "/software_simrel")
+                        .count();
 
         assertEquals(3432, orgs_simrel);
         assertEquals(7260, pubs_simrel);
@@ -115,20 +153,33 @@ public class SparkDedupTest implements Serializable {
     @Order(2)
     public void createMergeRelsTest() throws Exception {
 
-        ArgumentApplicationParser parser = new ArgumentApplicationParser(
+        ArgumentApplicationParser parser =
-                IOUtils.toString(
+                new ArgumentApplicationParser(
-                        SparkCreateMergeRels.class.getResourceAsStream("/eu/dnetlib/dhp/oa/dedup/createCC_parameters.json")));
+                        IOUtils.toString(
-        parser.parseArgument(new String[]{
+                                SparkCreateMergeRels.class.getResourceAsStream(
-                "-i", testGraphBasePath,
+                                        "/eu/dnetlib/dhp/oa/dedup/createCC_parameters.json")));
-                "-asi", testActionSetId,
+        parser.parseArgument(
-                "-la", "lookupurl",
+                new String[] {
-                "-w", testOutputBasePath});
+                    "-i", testGraphBasePath,
+                    "-asi", testActionSetId,
+                    "-la", "lookupurl",
+                    "-w", testOutputBasePath
+                });
 
         new SparkCreateMergeRels(parser, spark).run(isLookUpService);
 
-        long orgs_mergerel = spark.read().load(testOutputBasePath + "/" + testActionSetId + "/organization_mergerel").count();
+        long orgs_mergerel =
-        long pubs_mergerel = spark.read().load(testOutputBasePath + "/" + testActionSetId + "/publication_mergerel").count();
+                spark.read()
-        long sw_mergerel = spark.read().load(testOutputBasePath + "/" + testActionSetId + "/software_mergerel").count();
+                        .load(testOutputBasePath + "/" + testActionSetId + "/organization_mergerel")
+                        .count();
+        long pubs_mergerel =
+                spark.read()
+                        .load(testOutputBasePath + "/" + testActionSetId + "/publication_mergerel")
+                        .count();
+        long sw_mergerel =
+                spark.read()
+                        .load(testOutputBasePath + "/" + testActionSetId + "/software_mergerel")
+                        .count();
 
         assertEquals(1276, orgs_mergerel);
         assertEquals(1460, pubs_mergerel);
@@ -139,20 +190,38 @@ public class SparkDedupTest implements Serializable {
     @Order(3)
     public void createDedupRecordTest() throws Exception {
 
-        ArgumentApplicationParser parser = new ArgumentApplicationParser(
+        ArgumentApplicationParser parser =
-                IOUtils.toString(
+                new ArgumentApplicationParser(
-                        SparkCreateDedupRecord.class.getResourceAsStream("/eu/dnetlib/dhp/oa/dedup/createDedupRecord_parameters.json")));
+                        IOUtils.toString(
-        parser.parseArgument(new String[]{
+                                SparkCreateDedupRecord.class.getResourceAsStream(
-                "-i", testGraphBasePath,
+                                        "/eu/dnetlib/dhp/oa/dedup/createDedupRecord_parameters.json")));
-                "-asi", testActionSetId,
+        parser.parseArgument(
-                "-la", "lookupurl",
+                new String[] {
-                "-w", testOutputBasePath});
+                    "-i", testGraphBasePath,
+                    "-asi", testActionSetId,
+                    "-la", "lookupurl",
+                    "-w", testOutputBasePath
+                });
 
         new SparkCreateDedupRecord(parser, spark).run(isLookUpService);
 
-        long orgs_deduprecord = jsc.textFile(testOutputBasePath + "/" + testActionSetId + "/organization_deduprecord").count();
+        long orgs_deduprecord =
-        long pubs_deduprecord = jsc.textFile(testOutputBasePath + "/" + testActionSetId + "/publication_deduprecord").count();
+                jsc.textFile(
-        long sw_deduprecord = jsc.textFile(testOutputBasePath + "/" + testActionSetId + "/software_deduprecord").count();
+                                testOutputBasePath
+                                        + "/"
+                                        + testActionSetId
+                                        + "/organization_deduprecord")
+                        .count();
+        long pubs_deduprecord =
+                jsc.textFile(
+                                testOutputBasePath
+                                        + "/"
+                                        + testActionSetId
+                                        + "/publication_deduprecord")
+                        .count();
+        long sw_deduprecord =
+                jsc.textFile(testOutputBasePath + "/" + testActionSetId + "/software_deduprecord")
+                        .count();
 
         assertEquals(82, orgs_deduprecord);
         assertEquals(66, pubs_deduprecord);
@@ -163,14 +232,17 @@ public class SparkDedupTest implements Serializable {
     @Order(4)
     public void updateEntityTest() throws Exception {
 
-        ArgumentApplicationParser parser = new ArgumentApplicationParser(
+        ArgumentApplicationParser parser =
-                IOUtils.toString(
+                new ArgumentApplicationParser(
-                        SparkUpdateEntity.class.getResourceAsStream("/eu/dnetlib/dhp/oa/dedup/updateEntity_parameters.json")));
+                        IOUtils.toString(
-        parser.parseArgument(new String[]{
+                                SparkUpdateEntity.class.getResourceAsStream(
-                "-i", testGraphBasePath,
+                                        "/eu/dnetlib/dhp/oa/dedup/updateEntity_parameters.json")));
-                "-w", testOutputBasePath,
+        parser.parseArgument(
-                "-o", testDedupGraphBasePath
+                new String[] {
-        });
+                    "-i", testGraphBasePath,
+                    "-w", testOutputBasePath,
+                    "-o", testDedupGraphBasePath
+                });
 
         new SparkUpdateEntity(parser, spark).run(isLookUpService);
 
@@ -180,19 +252,25 @@ public class SparkDedupTest implements Serializable {
         long datasource = jsc.textFile(testDedupGraphBasePath + "/datasource").count();
         long softwares = jsc.textFile(testDedupGraphBasePath + "/software").count();
 
-        long mergedOrgs = spark
+        long mergedOrgs =
-                .read().load(testOutputBasePath + "/" + testActionSetId + "/organization_mergerel").as(Encoders.bean(Relation.class))
+                spark.read()
-                .where("relClass=='merges'")
+                        .load(testOutputBasePath + "/" + testActionSetId + "/organization_mergerel")
-                .javaRDD()
+                        .as(Encoders.bean(Relation.class))
-                .map(Relation::getTarget)
+                        .where("relClass=='merges'")
-                .distinct().count();
+                        .javaRDD()
+                        .map(Relation::getTarget)
+                        .distinct()
+                        .count();
 
-        long mergedPubs = spark
+        long mergedPubs =
-                .read().load(testOutputBasePath + "/" + testActionSetId + "/publication_mergerel").as(Encoders.bean(Relation.class))
+                spark.read()
-                .where("relClass=='merges'")
+                        .load(testOutputBasePath + "/" + testActionSetId + "/publication_mergerel")
-                .javaRDD()
+                        .as(Encoders.bean(Relation.class))
-                .map(Relation::getTarget)
+                        .where("relClass=='merges'")
-                .distinct().count();
+                        .javaRDD()
+                        .map(Relation::getTarget)
+                        .distinct()
+                        .count();
 
         assertEquals(831, publications);
         assertEquals(835, organizations);
@@ -200,10 +278,15 @@ public class SparkDedupTest implements Serializable {
         assertEquals(100, datasource);
         assertEquals(200, softwares);
 
-        long deletedOrgs = jsc.textFile(testDedupGraphBasePath + "/organization")
+        long deletedOrgs =
-                .filter(this::isDeletedByInference).count();
+                jsc.textFile(testDedupGraphBasePath + "/organization")
-        long deletedPubs = jsc.textFile(testDedupGraphBasePath + "/publication")
+                        .filter(this::isDeletedByInference)
-                .filter(this::isDeletedByInference).count();
+                        .count();
+
+        long deletedPubs =
+                jsc.textFile(testDedupGraphBasePath + "/publication")
+                        .filter(this::isDeletedByInference)
+                        .count();
 
         assertEquals(mergedOrgs, deletedOrgs);
         assertEquals(mergedPubs, deletedPubs);
@@ -213,14 +296,17 @@ public class SparkDedupTest implements Serializable {
     @Order(5)
     public void propagateRelationTest() throws Exception {
 
-        ArgumentApplicationParser parser = new ArgumentApplicationParser(
+        ArgumentApplicationParser parser =
-                IOUtils.toString(
+                new ArgumentApplicationParser(
-                        SparkPropagateRelation.class.getResourceAsStream("/eu/dnetlib/dhp/oa/dedup/propagateRelation_parameters.json")));
+                        IOUtils.toString(
-        parser.parseArgument(new String[]{
+                                SparkPropagateRelation.class.getResourceAsStream(
-                "-i", testGraphBasePath,
+                                        "/eu/dnetlib/dhp/oa/dedup/propagateRelation_parameters.json")));
-                "-w", testOutputBasePath,
+        parser.parseArgument(
-                "-o", testDedupGraphBasePath
+                new String[] {
-        });
+                    "-i", testGraphBasePath,
+                    "-w", testOutputBasePath,
+                    "-o", testDedupGraphBasePath
+                });
 
         new SparkPropagateRelation(parser, spark).run(isLookUpService);
 
@@ -228,22 +314,37 @@ public class SparkDedupTest implements Serializable {
 
         assertEquals(826, relations);
 
-        //check deletedbyinference
+        // check deletedbyinference
-        final Dataset<Relation> mergeRels = spark.read().load(DedupUtility.createMergeRelPath(testOutputBasePath, "*", "*")).as(Encoders.bean(Relation.class));
+        final Dataset<Relation> mergeRels =
-        final JavaPairRDD<String, String> mergedIds = mergeRels
+                spark.read()
-                .where("relClass == 'merges'")
+                        .load(DedupUtility.createMergeRelPath(testOutputBasePath, "*", "*"))
-                .select(mergeRels.col("target"))
+                        .as(Encoders.bean(Relation.class));
-                .distinct()
+        final JavaPairRDD<String, String> mergedIds =
-                .toJavaRDD()
+                mergeRels
-                .mapToPair((PairFunction<Row, String, String>) r -> new Tuple2<String, String>(r.getString(0), "d"));
+                        .where("relClass == 'merges'")
+                        .select(mergeRels.col("target"))
+                        .distinct()
+                        .toJavaRDD()
+                        .mapToPair(
+                                (PairFunction<Row, String, String>)
+                                        r -> new Tuple2<String, String>(r.getString(0), "d"));
 
-        JavaRDD<String> toCheck = jsc.textFile(testDedupGraphBasePath + "/relation")
+        JavaRDD<String> toCheck =
-                .mapToPair(json -> new Tuple2<>(MapDocumentUtil.getJPathString("$.source", json), json))
+                jsc.textFile(testDedupGraphBasePath + "/relation")
-                .join(mergedIds)
+                        .mapToPair(
-                .map(t -> t._2()._1())
+                                json ->
-                .mapToPair(json -> new Tuple2<>(MapDocumentUtil.getJPathString("$.target", json), json))
+                                        new Tuple2<>(
-                .join(mergedIds)
+                                                MapDocumentUtil.getJPathString("$.source", json),
-                .map(t -> t._2()._1());
+                                                json))
+                        .join(mergedIds)
+                        .map(t -> t._2()._1())
+                        .mapToPair(
+                                json ->
+                                        new Tuple2<>(
+                                                MapDocumentUtil.getJPathString("$.target", json),
+                                                json))
+                        .join(mergedIds)
+                        .map(t -> t._2()._1());
 
         long deletedbyinference = toCheck.filter(this::isDeletedByInference).count();
         long updated = toCheck.count();
@@ -258,6 +359,6 @@ public class SparkDedupTest implements Serializable {
     }
 
     public boolean isDeletedByInference(String s) {
-        return  s.contains("\"deletedbyinference\":true");
+        return s.contains("\"deletedbyinference\":true");
     }
-}
+}