Fix some null warnings

[deliverable/tracecompass.git] / tmf / org.eclipse.tracecompass.tmf.core / src / org / eclipse / tracecompass / tmf / core / filter / model / TmfFilterTreeNode.java

diff --git a/tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/filter/model/TmfFilterTreeNode.java b/tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/filter/model/TmfFilterTreeNode.java
index c16223a96e40156af6fb2a360dc1bbb3b232247f..85ee891371c526054791879f81995795ac2ef575 100644 (file)
--- a/tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/filter/model/TmfFilterTreeNode.java
+++ b/tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/filter/model/TmfFilterTreeNode.java
@@ -18,6 +18,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
+import org.eclipse.jdt.annotation.NonNull;
 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
 
 /**
@@ -71,8 +72,8 @@ public abstract class TmfFilterTreeNode implements ITmfFilterTreeNode, Cloneable
     }
 
     @Override
-    public ITmfFilterTreeNode[] getChildren() {
-        return children.toArray(new ITmfFilterTreeNode[0]);
+    public @NonNull ITmfFilterTreeNode[] getChildren() {
+        return children.toArray(new @NonNull ITmfFilterTreeNode[0]);
     }
 
     @Override