X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=org.eclipse.tracecompass.statesystem.core%2Fsrc%2Forg%2Feclipse%2Ftracecompass%2Fstatesystem%2Fcore%2Fbackend%2FIStateHistoryBackend.java;h=07b75d86d8915f89abe0c6b6b95c9a5657986cd4;hb=b2f62cb5a7dbd04cc03bc58e23a6f26f91eaea60;hp=a960b3a022832e5a9dc5e418a66206fcdaa10716;hpb=85742cccf52942a5e2f13c7c67d4dd9e59071d8c;p=deliverable%2Ftracecompass.git

diff --git a/org.eclipse.tracecompass.statesystem.core/src/org/eclipse/tracecompass/statesystem/core/backend/IStateHistoryBackend.java b/org.eclipse.tracecompass.statesystem.core/src/org/eclipse/tracecompass/statesystem/core/backend/IStateHistoryBackend.java
index a960b3a022..07b75d86d8 100644
--- a/org.eclipse.tracecompass.statesystem.core/src/org/eclipse/tracecompass/statesystem/core/backend/IStateHistoryBackend.java
+++ b/org.eclipse.tracecompass.statesystem.core/src/org/eclipse/tracecompass/statesystem/core/backend/IStateHistoryBackend.java
@@ -40,6 +40,13 @@ import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue;
  */
 public interface IStateHistoryBackend {
 
+    /**
+     * Get the ID of the state system that populates this backend.
+     *
+     * @return The state system's ID.
+     */
+    @NonNull String getSSID();
+
     /**
      * Get the start time of this state history. This is usually the same as the
      * start time of the originating trace.