OZG-297 fix collection typing

pluto-server/src/main/java/de/itvsh/ozg/pluto/files/BinaryFileRepository.java

@@ -2,6 +2,6 @@ package de.itvsh.ozg.pluto.files;
 
 import org.springframework.data.repository.CrudRepository;
 
-interface BinaryFileRepository extends BinaryFileCustomRepository, CrudRepository<BinaryFilePersistanceWrapper, FileId> {
+interface BinaryFileRepository extends BinaryFileCustomRepository, CrudRepository<BinaryFilePersistanceWrapper, String> {
 
 }

pluto-server/src/main/java/de/itvsh/ozg/pluto/files/FileService.java

@@ -51,7 +51,7 @@ class FileService {
 		return StreamSupport.stream(binaryFileRepository.findAllById(mapFileIdToString(ids)).spliterator(), false);
 	}
 
-	private Collection mapFileIdToString(Collection<FileId> ids) {
+	private Iterable<String> mapFileIdToString(Collection<FileId> ids) {
 		return ids.stream().map(fileIdMapper::toString).collect(Collectors.toList());
 	}
 

pluto-server/src/test/java/de/itvsh/ozg/pluto/files/BinaryFileRepositoryITCase.java

@@ -70,19 +70,18 @@ class BinaryFileRepositoryITCase {
 
 		@Test
 		void shouldReturnListContainsFileByIdAsFileId() {
-			var result = repository.findAllById(Collections.singleton(BinaryFilePersistanceWrapperTestFactory.ID));
+			var result = repository.findAllById(Collections.singleton(BinaryFilePersistanceWrapperTestFactory.ID.toString()));
 
 			var list = StreamSupport.stream(result.spliterator(), false).collect(Collectors.toList());
 
 			assertThat(list).isNotNull().hasSize(1);
 		}
 
-		@SuppressWarnings({ "rawtypes", "unchecked" })
 		@Test
 		void shouldReturnListContainsFileByIdAsString() {
-			List ids = Stream.of(BinaryFilePersistanceWrapperTestFactory.ID).map(String::valueOf).collect(Collectors.toList());
+			List<String> ids = Stream.of(BinaryFilePersistanceWrapperTestFactory.ID).map(String::valueOf).collect(Collectors.toList());
 
-			Iterable<BinaryFilePersistanceWrapper> result = repository.findAllById(ids);
+			var result = repository.findAllById(ids);
 
 			List<BinaryFilePersistanceWrapper> list = StreamSupport.stream(result.spliterator(), false).collect(Collectors.toList());
 			assertThat(list).isNotNull().hasSize(1);