dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/community/Community.java

@@ -15,6 +15,7 @@ public class Community implements Serializable {
 	private List<Provider> providers = new ArrayList<>();
 	private List<ZenodoCommunity> zenodoCommunities = new ArrayList<>();
 	private SelectionConstraints constraints = new SelectionConstraints();
+	private SelectionConstraints removeConstraints = new SelectionConstraints();
 
 	public String toJson() {
 		final Gson g = new Gson();
@@ -67,4 +68,12 @@ public class Community implements Serializable {
 	public void setConstraints(SelectionConstraints constraints) {
 		this.constraints = constraints;
 	}
+
+	public SelectionConstraints getRemoveConstraints() {
+		return removeConstraints;
+	}
+
+	public void setRemoveConstraints(SelectionConstraints removeConstraints) {
+		this.removeConstraints = removeConstraints;
+	}
 }

dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/community/CommunityConfiguration.java

@@ -28,6 +28,8 @@ public class CommunityConfiguration implements Serializable {
 	private Map<String, SelectionConstraints> selectionConstraintsMap = new HashMap<>();
 	// map eosc datasource -> communityid
 	private Map<String, List<Pair<String, SelectionConstraints>>> eoscDatasourceMap = new HashMap<>();
+    //map communityid -> remove constraints
+	private Map<String, SelectionConstraints> removeConstraintsMap = new HashMap<>();
 
 	public Map<String, List<Pair<String, SelectionConstraints>>> getEoscDatasourceMap() {
 		return eoscDatasourceMap;
@@ -71,6 +73,14 @@ public class CommunityConfiguration implements Serializable {
 		this.selectionConstraintsMap = selectionConstraintsMap;
 	}
 
+	public Map<String, SelectionConstraints> getRemoveConstraintsMap() {
+		return removeConstraintsMap;
+	}
+
+	public void setRemoveConstraintsMap(Map<String, SelectionConstraints> removeConstraintsMap) {
+		this.removeConstraintsMap = removeConstraintsMap;
+	}
+
 	CommunityConfiguration(final Map<String, Community> communities) {
 		this.communities = communities;
 		init();
@@ -90,6 +100,9 @@ public class CommunityConfiguration implements Serializable {
 		if (selectionConstraintsMap == null) {
 			selectionConstraintsMap = Maps.newHashMap();
 		}
+		if (removeConstraintsMap == null) {
+			removeConstraintsMap = Maps.newHashMap();
+		}
 
 		for (Community c : getCommunities().values()) {
 			// get subjects
@@ -111,6 +124,8 @@ public class CommunityConfiguration implements Serializable {
 					zenodocommunityMap);
 			}
 			selectionConstraintsMap.put(id, c.getConstraints());
+
+			removeConstraintsMap.put(id, c.getRemoveConstraints());
 		}
 	}
 

dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/community/CommunityConfigurationFactory.java

@@ -86,6 +86,7 @@ public class CommunityConfigurationFactory {
 		c.setProviders(parseDatasources(node));
 		c.setZenodoCommunities(parseZenodoCommunities(node));
 		c.setConstraints(parseConstrains(node));
+		c.setRemoveConstraints(parseRemoveConstrains(node));
 		return c;
 	}
 
@@ -102,6 +103,19 @@ public class CommunityConfigurationFactory {
 		return selectionConstraints;
 	}
 
+	private static SelectionConstraints parseRemoveConstrains(Node node) {
+		Node constsNode = node.selectSingleNode("./removeConstraints");
+		if (constsNode == null || StringUtils.isBlank(StringUtils.trim(constsNode.getText()))) {
+			return new SelectionConstraints();
+		}
+		SelectionConstraints selectionConstraints = new Gson()
+				.fromJson(constsNode.getText(), SelectionConstraints.class);
+
+		selectionConstraints.setSelection(resolver);
+		log.info("number of selection constraints set " + selectionConstraints.getCriteria().size());
+		return selectionConstraints;
+	}
+
 	private static List<String> parseSubjects(final Node node) {
 
 		final List<String> subjects = Lists.newArrayList();

dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/community/ResultTagger.java

@@ -79,6 +79,23 @@ public class ResultTagger implements Serializable {
 				break;
 		}
 
+		// communities contains all the communities to be not added to the context
+		final Set<String> removeCommunities = new HashSet<>();
+
+		conf
+				.getRemoveConstraintsMap()
+				.keySet()
+				.forEach(communityId -> {
+					if (conf.getRemoveConstraintsMap().get(communityId).getCriteria() != null &&
+							conf
+									.getRemoveConstraintsMap()
+									.get(communityId)
+									.getCriteria()
+									.stream()
+									.anyMatch(crit -> crit.verifyCriteria(param)))
+						removeCommunities.add(communityId);
+				});
+
 		// communities contains all the communities to be added as context for the result
 		final Set<String> communities = new HashSet<>();
 
@@ -164,7 +181,8 @@ public class ResultTagger implements Serializable {
 			.getSelectionConstraintsMap()
 			.keySet()
 			.forEach(communityId -> {
-				if (conf.getSelectionConstraintsMap().get(communityId).getCriteria() != null &&
+				if (!removeCommunities.contains(communityId) &&
+						conf.getSelectionConstraintsMap().get(communityId).getCriteria() != null &&
 					conf
 						.getSelectionConstraintsMap()
 						.get(communityId)
@@ -175,6 +193,9 @@ public class ResultTagger implements Serializable {
 			});
 
 		communities.addAll(aconstraints);
+
+		communities.removeAll(removeCommunities);
+
 		if (aconstraints.size() > 0)
 			log.info("Found {} for advancedConstraints ", aconstraints.size());
 

dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/bulktag/query.xq

@@ -10,6 +10,9 @@ where $x//CONFIGURATION/context[./@type='community' or ./@type='ri'] and $x//con
 return
 <community>
 { $x//CONFIGURATION/context/@id}
+<removeConstraints>
+{$x//CONFIGURATION/context/param[./@name='removeConstraints']/text() }
+</removeConstraints>
 <advancedConstraints>
 {$x//CONFIGURATION/context/param[./@name='advancedConstraints']/text() }
 </advancedConstraints>

dhp-workflows/dhp-enrichment/src/test/java/eu/dnetlib/dhp/bulktag/BulkTagJobTest.java

@@ -39,8 +39,10 @@ public class BulkTagJobTest {
 		+ "  \"contributor\" : \"$['contributor'][*]['value']\","
 		+ "  \"description\" : \"$['description'][*]['value']\", "
 		+ " \"subject\" :\"$['subject'][*]['value']\" , " +
-		"\"fos\" : \"$['subject'][?(@['qualifier']['classid']=='FOS')].value\"" +
+		"\"fos\" : \"$['subject'][?(@['qualifier']['classid']=='FOS')].value\"," +
-		"} ";
+			"\"sdg\" : \"$['subject'][?(@['qualifier']['classid']=='SDG')].value\"," +
+		"\"hostedby\" : \"$['instance'][*]['hostedby']['key']\" , " +
+         "\"collectedfrom\" : \"$['instance'][*]['collectedfrom']['key']\"} ";
 
 	private static SparkSession spark;
 
@@ -56,7 +58,7 @@ public class BulkTagJobTest {
 				.toString(
 					BulkTagJobTest.class
 						.getResourceAsStream(
-							"/eu/dnetlib/dhp/bulktag/communityconfiguration/tagging_conf_dth.xml"));
+							"/eu/dnetlib/dhp/bulktag/communityconfiguration/tagging_conf_remove.xml"));
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
@@ -1525,4 +1527,43 @@ public class BulkTagJobTest {
 					.count());
 	}
 
-}
+
+	@Test
+	void removeTest() throws Exception {
+		final String pathMap = BulkTagJobTest.pathMap;
+		SparkBulkTagJob
+				.main(
+						new String[]{
+								"-isTest", Boolean.TRUE.toString(),
+								"-isSparkSessionManaged", Boolean.FALSE.toString(),
+								"-sourcePath",
+								getClass().getResource("/eu/dnetlib/dhp/bulktag/sample/dataset/update_datasourcewithconstraints").getPath(),
+								"-taggingConf", taggingConf,
+								"-resultTableName", "eu.dnetlib.dhp.schema.oaf.Dataset",
+								"-outputPath", workingDir.toString() + "/dataset",
+								"-isLookUpUrl", MOCK_IS_LOOK_UP_URL,
+								"-pathMap", pathMap
+						});
+		final JavaSparkContext sc = JavaSparkContext.fromSparkContext(spark.sparkContext());
+
+		JavaRDD<Dataset> tmp = sc
+				.textFile(workingDir.toString() + "/dataset")
+				.map(item -> OBJECT_MAPPER.readValue(item, Dataset.class));
+
+		Assertions.assertEquals(12, tmp.count());
+		org.apache.spark.sql.Dataset<Dataset> verificationDataset = spark
+				.createDataset(tmp.rdd(), Encoders.bean(Dataset.class));
+
+		verificationDataset.createOrReplaceTempView("dataset");
+		String query = "select id, MyT.id community, MyD.provenanceaction.classid provenance, MyD.provenanceaction.classname name "
+				+ "from dataset "
+				+ "lateral view explode(context) c as MyT "
+				+ "lateral view explode(MyT.datainfo) d as MyD "
+				+ "where MyD.inferenceprovenance = 'bulktagging'";
+
+		org.apache.spark.sql.Dataset<Row> idExplodeCommunity = spark.sql(query);
+
+		idExplodeCommunity.show(false);
+	}
+
+	}