tmf: Fix Unsafe cast error when targetting Luna

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / viewers / tree / ITmfTreeViewerEntry.java

diff --git a/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/viewers/tree/ITmfTreeViewerEntry.java b/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/viewers/tree/ITmfTreeViewerEntry.java
index 7abe667484be2ad90eba3794316566cc9db54574..11e5b7af673fd2619963bd78989cb042399a7cdf 100644 (file)
--- a/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/viewers/tree/ITmfTreeViewerEntry.java
+++ b/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/viewers/tree/ITmfTreeViewerEntry.java
@@ -14,6 +14,8 @@ package org.eclipse.linuxtools.tmf.ui.viewers.tree;
 
 import java.util.List;
 
+import org.eclipse.jdt.annotation.NonNull;
+
 /**
  * Interface for an entry (row) in a TMF tree viewer
  *
@@ -42,6 +44,7 @@ public interface ITmfTreeViewerEntry {
      *
      * @return an array of child elements
      */
+    @NonNull
     List<? extends ITmfTreeViewerEntry> getChildren();
 
     /**