CrawlDatumProcessor (apache-nutch 1.20 API)

All Known Implementing Classes:

FetchOverdueCrawlDatumProcessor
```
public interface CrawlDatumProcessor
```
These are instantiated once for each host.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`count(CrawlDatum crawlDatum)`	Process a single crawl datum instance to aggregate custom counts.
`void`	`finalize(HostDatum hostDatum)`	Process the final host datum instance and store the aggregated custom counts in the HostDatum.

- Method Detail
  - count
```
void count(CrawlDatum crawlDatum)
```
    Process a single crawl datum instance to aggregate custom counts.
    
    Parameters:
    
    crawlDatum - CrawlDatum instance to count information from
  - finalize
```
void finalize(HostDatum hostDatum)
```
    Process the final host datum instance and store the aggregated custom counts in the HostDatum.
    
    Parameters:
    
    hostDatum - HostDatum instance to hold the aggregated custom counts