Class SolrGen

solr/benchmark/src/java/org/apache/solr/bench/generators/SolrGen.java:39–386

The type Solr gen. @param the type parameter

 * @param <T> the type parameter
 */
public class SolrGen<T> implements Gen<T> {

  private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());

  /** The constant OPEN_PAREN. */
  public static final String OPEN_PAREN = " (";

  /** The constant CLOSE_PAREN. */
  public static final char CLOSE_PAREN = ')';

  /** The constant COUNT_TYPES_ARE_TRACKED_LIMIT_WAS_REACHED. */
  public static final String COUNT_TYPES_ARE_TRACKED_LIMIT_WAS_REACHED =
      " Count types are tracked, limit was reached.\n\n";

  /** The constant RANDOM_DATA_GEN_REPORTS. */
  public static final String RANDOM_DATA_GEN_REPORTS =
      "\n\n\n*****  Random Data Gen Reports *****\n\n";

  /** The constant ONLY. */
  public static final String ONLY = "\n\nOnly ";

  /** The Child. */
  protected final Gen<T> child;

  private final Class<?> type;
  private Distribution distribution = Distribution.UNIFORM;

  /** The Start. */
  protected long start;

  /** The End. */
  protected long end;

  private static final boolean COLLECT_COUNTS = Boolean.getBoolean("random.counts");

  static {
    log.info("random.counts is set to {}", COLLECT_COUNTS);
  }

  private String description;

  private String collectKey;

  /** The constant COUNTS. */
  public static final Map<String, RandomDataHistogram.Counts> COUNTS = new NonBlockingHashMap<>(64);

  /**
   * Counts report list.
   *
   * @return the list
   */
  public static List<String> countsReport() {
    List<String> reports = new ArrayList<>(COUNTS.size());
    reports.add(RANDOM_DATA_GEN_REPORTS);
    if (COUNTS.size() >= RandomDataHistogram.MAX_TYPES_TO_COLLECT) {
      reports.add(
          ONLY
              + RandomDataHistogram.MAX_TYPES_TO_COLLECT