From 3d71c96d94332f5b7b23055f17454d326c30d11f Mon Sep 17 00:00:00 2001
From: Daniel Gerhardt <code@dgerhardt.net>
Date: Sun, 18 Feb 2018 19:25:24 +0100
Subject: [PATCH] Correctly handle empty list for findAll(Iterable<String>)
An empty list is now returned instead of requesting all documents.
---
.../arsnova/persistance/couchdb/CouchDbCrudRepository.java | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/main/java/de/thm/arsnova/persistance/couchdb/CouchDbCrudRepository.java b/src/main/java/de/thm/arsnova/persistance/couchdb/CouchDbCrudRepository.java
index 888060648..8c745c656 100644
--- a/src/main/java/de/thm/arsnova/persistance/couchdb/CouchDbCrudRepository.java
+++ b/src/main/java/de/thm/arsnova/persistance/couchdb/CouchDbCrudRepository.java
@@ -8,6 +8,7 @@ import org.springframework.data.repository.CrudRepository;
import org.springframework.data.repository.NoRepositoryBean;
import java.util.Collection;
+import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
@@ -80,6 +81,9 @@ abstract class CouchDbCrudRepository<T extends Entity> extends CouchDbRepository
if (!(strings instanceof Collection)) {
throw new IllegalArgumentException("Implementation only supports Collections.");
}
+ if (((Collection) strings).isEmpty()) {
+ return Collections.emptyList();
+ }
return db.queryView(createQuery(countableAllViewName)
.keys((Collection<String>) strings)
--
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