Method getTSUID

test/core/BaseTsdbTest.java:486–500

Generates a TSUID given the metric and tag UIDs. @param metric A metric UID. @param tags A set of UIDs @return A TSUID byte array

(final byte[] metric, final byte[]... tags)

   * @return A TSUID byte array
   */
  public static byte[] getTSUID(final byte[] metric, final byte[]... tags) {
    int tags_length = 0;
    for (final byte[] tag : tags) {
      tags_length += tag.length;
    }
    final byte[] tsuid = new byte[metric.length + tags_length];
    System.arraycopy(metric, 0, tsuid, 0, metric.length);
    int offset = metric.length;
    for (final byte[] tag : tags) {
      System.arraycopy(tag, 0, tsuid, offset, tag.length);
      offset += tag.length;
    }
    RowKey.prefixKeyWithSalt(tsuid);
    return tsuid;
  }
  
  /**
   * Generates a UID of the proper length given a type and ID.