TMF: Add some non null annotations to TmfTimeRange

And all the required changes and extra annotations to fix all the warnings

Change-Id: Ic6f58052550f5f4fcca119ecf6c6d3e2e16d3631
Signed-off-by: Geneviève Bastien <gbastien+lttng@versatic.net>
Signed-off-by: Alexandre Montplaisir <alexmonthy@voxpopuli.im>
Reviewed-on: https://git.eclipse.org/r/41240
Reviewed-by: Hudson CI

2 files changed, 6 insertions, 4 deletions

diff --git a/org.eclipse.tracecompass.tmf.ctf.core.tests/src/org/eclipse/tracecompass/tmf/ctf/core/tests/event/CtfTmfLostEventsTest.java b/org.eclipse.tracecompass.tmf.ctf.core.tests/src/org/eclipse/tracecompass/tmf/ctf/core/tests/event/CtfTmfLostEventsTest.java
index 7d1af7dd06..af2fc05569 100644
--- a/org.eclipse.tracecompass.tmf.ctf.core.tests/src/org/eclipse/tracecompass/tmf/ctf/core/tests/event/CtfTmfLostEventsTest.java
+++ b/org.eclipse.tracecompass.tmf.ctf.core.tests/src/org/eclipse/tracecompass/tmf/ctf/core/tests/event/CtfTmfLostEventsTest.java
@@ -17,6 +17,7 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assume.assumeTrue;
 
+import org.eclipse.jdt.annotation.NonNull;
 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
 import org.eclipse.tracecompass.tmf.core.event.ITmfLostEvent;
 import org.eclipse.tracecompass.tmf.core.request.ITmfEventRequest;
@@ -176,7 +177,7 @@ public class CtfTmfLostEventsTest {
         return req.getEvent();
     }
 
-    private CtfTmfEvent getOneEventTime(ITmfTimestamp ts) {
+    private CtfTmfEvent getOneEventTime(@NonNull ITmfTimestamp ts) {
         OneEventRequestPerTs req = new OneEventRequestPerTs(ts);
         fixture.sendRequest(req);
         try {
@@ -210,7 +211,7 @@ public class CtfTmfLostEventsTest {
 
         private CtfTmfEvent event = null;
 
-        public OneEventRequestPerTs(ITmfTimestamp ts) {
+        public OneEventRequestPerTs(@NonNull ITmfTimestamp ts) {
             super(CtfTmfEvent.class,
                     new TmfTimeRange(ts, TmfTimestamp.BIG_CRUNCH),
                     0, 1, ExecutionType.FOREGROUND);
diff --git a/org.eclipse.tracecompass.tmf.ctf.core.tests/src/org/eclipse/tracecompass/tmf/ctf/core/tests/temp/tracemanager/TmfTraceManagerTest.java b/org.eclipse.tracecompass.tmf.ctf.core.tests/src/org/eclipse/tracecompass/tmf/ctf/core/tests/temp/tracemanager/TmfTraceManagerTest.java
index 03f03eec18..9cc5927c4c 100644
--- a/org.eclipse.tracecompass.tmf.ctf.core.tests/src/org/eclipse/tracecompass/tmf/ctf/core/tests/temp/tracemanager/TmfTraceManagerTest.java
+++ b/org.eclipse.tracecompass.tmf.ctf.core.tests/src/org/eclipse/tracecompass/tmf/ctf/core/tests/temp/tracemanager/TmfTraceManagerTest.java
@@ -22,6 +22,7 @@ import java.io.File;
 import java.util.Collection;
 import java.util.Collections;
 
+import org.eclipse.jdt.annotation.NonNull;
 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
 import org.eclipse.tracecompass.tmf.core.signal.TmfRangeSynchSignal;
 import org.eclipse.tracecompass.tmf.core.signal.TmfSignalManager;
@@ -142,7 +143,7 @@ public class TmfTraceManagerTest {
         TmfSignalManager.dispatchSignal(new TmfTraceSelectedSignal(this, trace));
     }
 
-    private void selectTimestamp(ITmfTimestamp ts) {
+    private void selectTimestamp(@NonNull ITmfTimestamp ts) {
         TmfSignalManager.dispatchSignal(new TmfTimeSynchSignal(this, ts));
     }
 
@@ -713,7 +714,7 @@ public class TmfTraceManagerTest {
     /**
      * Basically a "initial + offset" operation, but for ITmfTimetamp objects.
      */
-    private static ITmfTimestamp calculateOffset(ITmfTimestamp initialTs, ITmfTimestamp offsetTs) {
+    private static @NonNull ITmfTimestamp calculateOffset(ITmfTimestamp initialTs, ITmfTimestamp offsetTs) {
         long start = initialTs.normalize(0, SCALE).getValue();
         long offset = offsetTs.normalize(0, SCALE).getValue();
         return new TmfTimestamp(start + offset, SCALE);