tmf: Change getTracesToBuild trace parameter to be @Nullable

[deliverable/tracecompass.git] / tmf / org.eclipse.tracecompass.tmf.ui / src / org / eclipse / tracecompass / tmf / ui / views / timegraph / AbstractTimeGraphView.java

diff --git a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/timegraph/AbstractTimeGraphView.java b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/timegraph/AbstractTimeGraphView.java
index fc361c2247425b11346ae9159d720b0a350e458f..6865e702d4f6a8c6e21a9393cf46e03b874ae2a9 100644 (file)
--- a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/timegraph/AbstractTimeGraphView.java
+++ b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/timegraph/AbstractTimeGraphView.java
@@ -1649,10 +1649,10 @@ public abstract class AbstractTimeGraphView extends TmfView implements ITmfTimeA
      * some of which may receive events in live streaming mode.
      *
      * @param trace
-     *            The trace associated with this view
+     *            The trace associated with this view, can be null
      * @return List of traces with data to display
      */
-    protected @NonNull Iterable<ITmfTrace> getTracesToBuild(@NonNull ITmfTrace trace) {
+    protected @NonNull Iterable<ITmfTrace> getTracesToBuild(@Nullable ITmfTrace trace) {
         return TmfTraceManager.getTraceSet(trace);
     }