JAMES-2695 EventCollector has to be thread-safe

apache · Mar 20, 2019 · 284e833 · 284e833
1 parent f51503b
commit 284e833
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/mailbox/api/src/test/java/org/apache/james/mailbox/util/EventCollector.java b/mailbox/api/src/test/java/org/apache/james/mailbox/util/EventCollector.java
@@ -19,8 +19,8 @@
 
 package org.apache.james.mailbox.util;
 
-import java.util.ArrayList;
-import java.util.List;
+import java.util.Collection;
+import java.util.concurrent.ConcurrentLinkedDeque;
 
 import org.apache.james.mailbox.events.Event;
 import org.apache.james.mailbox.events.Group;
@@ -31,14 +31,14 @@ public static class EventCollectorGroup extends Group {}
 
     private static final Group GROUP = new EventCollectorGroup();
 
-    private final List<Event> events = new ArrayList<>();
+    private final ConcurrentLinkedDeque<Event> events = new ConcurrentLinkedDeque<>();
 
     @Override
     public Group getDefaultGroup() {
         return GROUP;
     }
 
-    public List<Event> getEvents() {
+    public Collection<Event> getEvents() {
         return events;
     }