Use ConcurrentHashMap for sync related states

Signed-off-by: Stefan Niedermann <info@niedermann.it>

1 files changed, 5 insertions, 4 deletions

diff --git a/app/src/main/java/it/niedermann/owncloud/notes/persistence/NotesRepository.java b/app/src/main/java/it/niedermann/owncloud/notes/persistence/NotesRepository.java
index 24a28619..6d2b21c5 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/persistence/NotesRepository.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/persistence/NotesRepository.java
@@ -38,6 +38,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
@@ -127,12 +128,12 @@ public class NotesRepository {
     };
 
     // current state of the synchronization
-    private final Map<Long, Boolean> syncActive = new HashMap<>();
-    private final Map<Long, Boolean> syncScheduled = new HashMap<>();
+    private final Map<Long, Boolean> syncActive = new ConcurrentHashMap<>();
+    private final Map<Long, Boolean> syncScheduled = new ConcurrentHashMap<>();
 
     // list of callbacks for both parts of synchronization
-    private final Map<Long, List<ISyncCallback>> callbacksPush = new HashMap<>();
-    private final Map<Long, List<ISyncCallback>> callbacksPull = new HashMap<>();
+    private final Map<Long, List<ISyncCallback>> callbacksPush = new ConcurrentHashMap<>();
+    private final Map<Long, List<ISyncCallback>> callbacksPull = new ConcurrentHashMap<>();
 
 
     public static synchronized NotesRepository getInstance(@NonNull Context context) {