public String apply()

in flink-connector-elasticsearch-base/src/main/java/org/apache/flink/connector/elasticsearch/table/KeyExtractor.java [50:60]

• 11 lines of code
• 3 McCabe index (conditional complexity)

    public String apply(RowData rowData) {
        final StringBuilder builder = new StringBuilder();
        for (int i = 0; i < fieldFormatters.length; i++) {
            if (i > 0) {
                builder.append(keyDelimiter);
            }
            final String value = fieldFormatters[i].format(rowData);
            builder.append(value);
        }
        return builder.toString();
    }