Fix some null warnings

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

diff --git a/tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/filter/model/ITmfFilterTreeNode.java b/tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/filter/model/ITmfFilterTreeNode.java
index 73d0c35b9ec28a2369c7ac966e9df2afd569541f..74bbce99a59d0089c3d02b6c28ae2ed4e1a491fa 100644 (file)
--- a/tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/filter/model/ITmfFilterTreeNode.java
+++ b/tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/filter/model/ITmfFilterTreeNode.java
@@ -15,6 +15,7 @@ package org.eclipse.tracecompass.tmf.core.filter.model;
 
 import java.util.List;
 
+import org.eclipse.jdt.annotation.NonNull;
 import org.eclipse.tracecompass.tmf.core.filter.ITmfFilter;
 
 
@@ -56,7 +57,7 @@ public interface ITmfFilterTreeNode extends ITmfFilter {
      *
      * @return The array (possibly empty) of children nodes.
      */
-    public ITmfFilterTreeNode[] getChildren();
+    public @NonNull ITmfFilterTreeNode[] getChildren();
 
     /**
      * <h4>Get the node by index</h4>