appeases the java type system demons

backend/src/main/java/com/bakdata/conquery/models/datasets/Column.java

@@ -170,7 +170,7 @@ public List<TrieSearch<FrontendValue>> getSearches(IndexConfig config, Namespace
 	}
 
 	@Override
-	public List<Searchable> getSearchReferences() {
+	public List<Searchable<?>> getSearchReferences() {
 		return List.of(this);
 	}
 

backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Searchable.java

@@ -34,7 +34,7 @@ public interface Searchable<ID extends Id<? extends Identifiable<? extends ID>>>
 	 * @implSpec The order of objects returned is used to also sort search results from different sources.
 	 */
 	@JsonIgnore
-	default List<Searchable> getSearchReferences() {
+	default List<Searchable<?>> getSearchReferences() {
 		//Hopefully the only candidate will be Column
 		return List.of(this);
 	}

backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/filters/specific/SelectFilter.java

@@ -89,8 +89,8 @@ public boolean isNotUsingTemplateAndLabels() {
 	private boolean generateSearchSuffixes = true;
 
 	@Override
-	public List<Searchable> getSearchReferences() {
-		final List<Searchable> out = new ArrayList<>();
+	public List<Searchable<?>> getSearchReferences() {
+		final List<Searchable<?>> out = new ArrayList<>();
 
 		if (getTemplate() != null) {
 			out.add(getTemplate());

backend/src/main/java/com/bakdata/conquery/models/jobs/UpdateFilterSearchJob.java

@@ -34,13 +34,13 @@ public class UpdateFilterSearchJob extends Job {
 	private final NamespaceStorage storage;
 
 	@NonNull
-	private final Map<Searchable, TrieSearch<FrontendValue>> searchCache;
+	private final Map<Searchable<?>, TrieSearch<FrontendValue>> searchCache;
 
 	@NonNull
 	private final IndexConfig indexConfig;
 
 	@NonNull
-	private final Object2LongMap<Searchable> totals;
+	private final Object2LongMap<Searchable<?>> totals;
 
 	@Override
 	public void execute() throws Exception {
@@ -58,7 +58,7 @@ public void execute() throws Exception {
 					   .collect(Collectors.toList());
 
 
-		final Set<Searchable> collectedSearchables =
+		final Set<Searchable<?>> collectedSearchables =
 				allSelectFilters.stream()
 								.map(SelectFilter::getSearchReferences)
 								.flatMap(Collection::stream)
@@ -71,12 +71,12 @@ public void execute() throws Exception {
 		// Most computations are cheap but data intensive: we fork here to use as many cores as possible.
 		final ExecutorService service = Executors.newCachedThreadPool();
 
-		final Map<Searchable, TrieSearch<FrontendValue>> synchronizedResult = Collections.synchronizedMap(searchCache);
+		final Map<Searchable<?>, TrieSearch<FrontendValue>> synchronizedResult = Collections.synchronizedMap(searchCache);
 
 		log.debug("Found {} searchable Objects.", collectedSearchables.size());
 
 
-		for (Searchable searchable : collectedSearchables) {
+		for (Searchable<?> searchable : collectedSearchables) {
 
 			service.submit(() -> {
 

backend/src/main/java/com/bakdata/conquery/models/query/FilterSearch.java

@@ -40,14 +40,14 @@ public class FilterSearch {
 	 * In the code below, the keys of this map will usually be called "reference".
 	 */
 	@JsonIgnore
-	private final Map<Searchable, TrieSearch<FrontendValue>> searchCache = new HashMap<>();
-	private Object2LongMap<Searchable> totals = Object2LongMaps.emptyMap();
+	private final Map<Searchable<?>, TrieSearch<FrontendValue>> searchCache = new HashMap<>();
+	private Object2LongMap<Searchable<?>> totals = Object2LongMaps.emptyMap();
 
 	/**
 	 * From a given {@link FrontendValue} extract all relevant keywords.
 	 */
 	public static List<String> extractKeywords(FrontendValue value) {
-		List<String> keywords = new ArrayList<>(3);
+		final List<String> keywords = new ArrayList<>(3);
 
 		keywords.add(value.getLabel());
 		keywords.add(value.getValue());