tmf: Null-annotate state system API classes

[deliverable/tracecompass.git] / org.eclipse.tracecompass.lttng2.ust.core / src / org / eclipse / tracecompass / internal / lttng2 / ust / core / trace / callstack / LttngUstCallStackProvider.java

diff --git a/org.eclipse.tracecompass.lttng2.ust.core/src/org/eclipse/tracecompass/internal/lttng2/ust/core/trace/callstack/LttngUstCallStackProvider.java b/org.eclipse.tracecompass.lttng2.ust.core/src/org/eclipse/tracecompass/internal/lttng2/ust/core/trace/callstack/LttngUstCallStackProvider.java
index ed0f6e8a6fb5cde8377aca5a78fd026fe5d401f6..2c58384f1311d7ab635c8a50432f11d56ca83bf5 100644 (file)
--- a/org.eclipse.tracecompass.lttng2.ust.core/src/org/eclipse/tracecompass/internal/lttng2/ust/core/trace/callstack/LttngUstCallStackProvider.java
+++ b/org.eclipse.tracecompass.lttng2.ust.core/src/org/eclipse/tracecompass/internal/lttng2/ust/core/trace/callstack/LttngUstCallStackProvider.java
@@ -16,6 +16,7 @@ package org.eclipse.tracecompass.internal.lttng2.ust.core.trace.callstack;
 import java.util.HashSet;
 import java.util.Set;
 
+import org.eclipse.jdt.annotation.NonNull;
 import org.eclipse.tracecompass.tmf.core.callstack.CallStackStateProvider;
 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
 import org.eclipse.tracecompass.tmf.core.event.ITmfEventField;
@@ -81,7 +82,7 @@ public class LttngUstCallStackProvider extends CallStackStateProvider {
      * @param trace
      *            The UST trace
      */
-    public LttngUstCallStackProvider(ITmfTrace trace) {
+    public LttngUstCallStackProvider(@NonNull ITmfTrace trace) {
         super(trace);
     }