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src/main/java/org/caosdb/server/query/Query.java

@@ -985,4 +985,16 @@ public class Query implements QueryInterface, ToElementable, TransactionInterfac
   public Role getRole() {
     return this.role;
   }
+
+  /**
+   * Return the ETag.
+   *
+   * <p>The ETag tags the query cache and is renewed each time the cache is being cleared, i.e. each
+   * time the database is being updated.
+   *
+   * @return The ETag
+   */
+  public static String getETag() {
+    return cacheETag;
+  }
 }