Calculate overall term frequency on the fly
Code cleanup
Support factory pattern for processing targets
Use memory cache for term indexing to improve speed
Fix database loading, if parameters changed.
Small optimizations.
Fix test method signatures
Rewrite inverted docment-term index pump
Replace SoftHashMap with MapDB cache and make DocumentModel serializable
Rename serializer, replace checks with assertions
Avoid creating too much objects in loops
Use simple data type
Increase JVM memory
Refactoring
Remove debug class
Code cleanup
Fix comparators
Wrap database creation in utility class
Change the way models are concurrently calculated. Speeds up calculation and saves memory.
Limit the thread pool size and terminate observer on errors