ss: Replace AttributeNotFoundException with IOOBE for quark parameters

[deliverable/tracecompass.git] / statesystem / org.eclipse.tracecompass.statesystem.core / src / org / eclipse / tracecompass / statesystem / core / backend / IStateHistoryBackend.java

diff --git a/statesystem/org.eclipse.tracecompass.statesystem.core/src/org/eclipse/tracecompass/statesystem/core/backend/IStateHistoryBackend.java b/statesystem/org.eclipse.tracecompass.statesystem.core/src/org/eclipse/tracecompass/statesystem/core/backend/IStateHistoryBackend.java
index 093e781dc33f73159e001d61196ac67c97560d64..6e71574be6d05147a156fb8579c5a88ef74d36ea 100644 (file)
--- a/statesystem/org.eclipse.tracecompass.statesystem.core/src/org/eclipse/tracecompass/statesystem/core/backend/IStateHistoryBackend.java
+++ b/statesystem/org.eclipse.tracecompass.statesystem.core/src/org/eclipse/tracecompass/statesystem/core/backend/IStateHistoryBackend.java
@@ -19,7 +19,6 @@ import java.util.List;
 
 import org.eclipse.jdt.annotation.NonNull;
 import org.eclipse.jdt.annotation.Nullable;
-import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException;
 import org.eclipse.tracecompass.statesystem.core.exceptions.StateSystemDisposedException;
 import org.eclipse.tracecompass.statesystem.core.exceptions.TimeRangeException;
 import org.eclipse.tracecompass.statesystem.core.interval.ITmfStateInterval;
@@ -173,17 +172,15 @@ public interface IStateHistoryBackend {
      *            The target timestamp of the query.
      * @param attributeQuark
      *            The single attribute for which you want the state interval
-     * @return The state interval matching this timestamp/attribute pair
+     * @return The state interval matching this timestamp/attribute pair, or
+     *         null if it was not found
      * @throws TimeRangeException
      *             If the timestamp was invalid
-     * @throws AttributeNotFoundException
-     *             If the quark was invalid
      * @throws StateSystemDisposedException
      *             If the state system is disposed while a request is ongoing.
      */
     ITmfStateInterval doSingularQuery(long t, int attributeQuark)
-            throws TimeRangeException, AttributeNotFoundException,
-            StateSystemDisposedException;
+            throws TimeRangeException, StateSystemDisposedException;
 
     /**
      * Debug method to print the contents of the history backend.