# Uses of Interface
org.apache.nutch.hostdb.CrawlDatumProcessor

Packages that use CrawlDatumProcessor
Package
Description
org.apache.nutch.hostdb

- ## Uses of CrawlDatumProcessor in org.apache.nutch.hostdb

  Classes in org.apache.nutch.hostdb that implement CrawlDatumProcessor
  Modifier and Type
  Class
  Description
  `class`
  `FetchOverdueCrawlDatumProcessor`
  Simple custom crawl datum processor that counts the number of records that are overdue for fetching, e.g.
  Fields in org.apache.nutch.hostdb declared as CrawlDatumProcessor
  Modifier and Type
  Field
  Description
  `protected static CrawlDatumProcessor[]`
  UpdateHostDbReducer.`crawlDatumProcessors`