OZG-6810 small improvements

vorgang-manager-server/src/main/java/de/ozgcloud/vorgang/files/GrpcBinaryFileService.java

@@ -77,7 +77,7 @@ public class GrpcBinaryFileService extends BinaryFileServiceImplBase {
 		responseObserver.onCompleted();
 	}
 
-	public GrpcFindFilesResponse buildResponseForOzgFiles(List<OzgCloudFile> files) {
+	GrpcFindFilesResponse buildResponseForOzgFiles(List<OzgCloudFile> files) {
 		var builder = GrpcFindFilesResponse.newBuilder();
 
 		files.stream().map(fileMapper::map).forEach(builder::addFile);

vorgang-manager-server/src/main/java/de/ozgcloud/vorgang/files/OzgCloudFileRepository.java

@@ -57,7 +57,7 @@ class OzgCloudFileRepository {
 
 	static final String GRID_FS_FIELD_ID = "_id";
 
-	private final CollisionVerifier collisionVerifier = new CollisionVerifier(this::existBinaryFile);
+	private final CollisionVerifier collisionVerifier = new CollisionVerifier(this::existOzgCloudFile);
 
 	private final GridFsTemplate gridFsTemplate;
 	private final MongoOperations mongoOperations;
@@ -127,8 +127,8 @@ class OzgCloudFileRepository {
 	}
 
 	public void deleteAllByVorgang(String vorgangId) {
-		var deletedBinaryFile = mongoOperations.findAllAndRemove(query(where(OzgCloudFile.FIELD_VORGANG_ID).is(vorgangId)), OzgCloudFile.class);
-		deletedBinaryFile.stream().map(OzgCloudFile::getContentId).filter(Objects::nonNull).forEach(this::deleteContent);
+		var deletedOzgCloudFile = mongoOperations.findAllAndRemove(query(where(OzgCloudFile.FIELD_VORGANG_ID).is(vorgangId)), OzgCloudFile.class);
+		deletedOzgCloudFile.stream().map(OzgCloudFile::getContentId).filter(Objects::nonNull).forEach(this::deleteContent);
 	}
 
 	public void deleteContent(String contentId) {
@@ -139,7 +139,7 @@ class OzgCloudFileRepository {
 		return Query.query(Criteria.where(GRID_FS_FIELD_ID).is(contentId));
 	}
 
-	private boolean existBinaryFile(String fileId) {
+	private boolean existOzgCloudFile(String fileId) {
 		return mongoOperations.exists(query(where(OzgCloudFile.FIELD_ID).is(fileId)), OzgCloudFile.class);
 	}
 }