Github user pvillard31 commented on a diff in the pull request: https://github.com/apache/nifi/pull/2518#discussion_r172975369 --- Diff: nifi-nar-bundles/nifi-standard-services/nifi-hbase-client-service-api/src/main/java/org/apache/nifi/hbase/HBaseClientService.java --- @@ -150,6 +194,40 @@ */ void scan(String tableName, byte[] startRow, byte[] endRow, Collection<Column> columns, ResultHandler handler) throws IOException; + /** + * Scans the given table for the given rowId and passes the result to the handler. + * + * @param tableName the name of an HBase table to scan + * @param startRow the row identifier to start scanning at + * @param endRow the row identifier to end scanning at + * @param columns optional columns to return, if not specified all columns are returned + * @param visibilityLabels optional list of visibility labels that the user should be able to see when communicating with HBase + * @param handler a handler to process rows of the result + * @throws IOException thrown when there are communication errors with HBase + */ + void scan(String tableName, byte[] startRow, byte[] endRow, Collection<Column> columns, List<String> visibilityLabels, ResultHandler handler) throws IOException; + + /** + * Get all of the labels in HBase. + * + * @return a List of all of the labels. + */ + List<String> getLabels(); + + /** + * Get all of the labels a given user can see. + * @param user the user to lookup. + * @return a List of all of the labels a user is allowed to see. + */ + List<String> getLabelsForUser(String user); + + /** + * Get all of the labels the current user (NiFi process user or Kerberos keytab principle) can see. + * + * @return a List of all of the labels the current can see. --- End diff -- current *user*?
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