ss: Move ownership of the SSID to the backend

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

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 a960b3a022832e5a9dc5e418a66206fcdaa10716..07b75d86d8915f89abe0c6b6b95c9a5657986cd4 100644 (file)
--- 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.