NIFI-578:

- Deprecating unused methods.

nifi/nifi-api/src/main/java/org/apache/nifi/provenance/lineage/LineageNode.java

@@ -22,6 +22,7 @@ public interface LineageNode {
      * @return the identifier of the Clustered NiFi Node that generated the
      * event
      */
+    @Deprecated
     String getClusterNodeIdentifier();
 
     /**

nifi/nifi-commons/nifi-data-provenance-utils/src/main/java/org/apache/nifi/provenance/lineage/EventNode.java

@@ -36,11 +36,13 @@ public class EventNode implements ProvenanceEventLineageNode {
         return String.valueOf(getEventIdentifier());
     }
 
+    @Deprecated
     @Override
     public String getClusterNodeIdentifier() {
         return clusterNodeIdentifier;
     }
 
+    @Deprecated
     public void setClusterNodeIdentifier(final String nodeIdentifier) {
         this.clusterNodeIdentifier = nodeIdentifier;
     }

nifi/nifi-commons/nifi-data-provenance-utils/src/main/java/org/apache/nifi/provenance/lineage/FlowFileNode.java

@@ -39,6 +39,7 @@ public class FlowFileNode implements LineageNode {
         return creationTime;
     }
 
+    @Deprecated
     @Override
     public String getClusterNodeIdentifier() {
         return clusterNodeIdentifier;