This chapter describes the components this application is comprised of.
Table 3.1. Components
| Component | Description | Threaded |
|---|---|---|
| GUI client | Vaadin based | Yes |
| Traverser | Traverse the file system(s) | Yes |
| Text converter | Uses Tika | Yes |
| Alternate converter | Uses not Tika | Yes |
| Indexer | Uses Solr/Lucene | Yes |
| Searcher | Uses Solr/Lucene | Yes (no own thread, via controller) |
| Classifier | Uses Mahout | No |
| Database | Saves data | Yes |
| Global locker | Uses Zookeeper | Yes |
| Control | Controlling | Yes |