segStore: guard size() in segment stores

[deliverable/tracecompass.git] / statesystem / org.eclipse.tracecompass.segmentstore.core / src / org / eclipse / tracecompass / internal / segmentstore / core / arraylist / ArrayListStore.java

diff --git a/statesystem/org.eclipse.tracecompass.segmentstore.core/src/org/eclipse/tracecompass/internal/segmentstore/core/arraylist/ArrayListStore.java b/statesystem/org.eclipse.tracecompass.segmentstore.core/src/org/eclipse/tracecompass/internal/segmentstore/core/arraylist/ArrayListStore.java
index 6af292cc97c5363b13aa641e0a830b8df332b704..8f166f4075fbf728751f43b74b2e4b56c0cc5544 100644 (file)
--- a/statesystem/org.eclipse.tracecompass.segmentstore.core/src/org/eclipse/tracecompass/internal/segmentstore/core/arraylist/ArrayListStore.java
+++ b/statesystem/org.eclipse.tracecompass.segmentstore.core/src/org/eclipse/tracecompass/internal/segmentstore/core/arraylist/ArrayListStore.java
@@ -126,7 +126,12 @@ public class ArrayListStore<@NonNull E extends ISegment> implements ISegmentStor
 
     @Override
     public int size() {
-        return fStore.size();
+        fLock.readLock().lock();
+        try {
+            return fStore.size();
+        } finally {
+            fLock.readLock().unlock();
+        }
     }
 
     @Override