@VisibleForTesting static TableAnswerElement resolveFilter(SpecifiersQuestion question, SpecifierContext context) { List<ColumnMetadata> columns = ImmutableList.of( new ColumnMetadata(COL_NODE, Schema.NODE, "Node", false, false), new ColumnMetadata(COL_FILTER_NAME, Schema.STRING, "Filter name", false, false)); TableAnswerElement table = new TableAnswerElement(new TableMetadata(columns)); Map<String, ColumnMetadata> columnMap = table.getMetadata().toColumnMap(); FilterSpecifier filterSpecifier = question.getFilterSpecifier(); Set<String> nodes = question.getNodeSpecifier().resolve(context); for (String node : nodes) { Set<IpAccessList> nodeFilters = filterSpecifier.resolve(node, context); for (IpAccessList filter : nodeFilters) { table.addRow( Row.of( columnMap, COL_NODE, new Node(node), COL_FILTER_NAME, Objects.toString(filter.getName()))); } } return table; }