org.drools.planner.core.score.holder
Interface ScoreHolder

All Known Implementing Classes:

AbstractScoreHolder, HardAndSoftLongScoreHolder, HardAndSoftScoreHolder, SimpleDoubleScoreHolder, SimpleScoreHolder

public interface ScoreHolder

A workaround class that wraps parts of a Score. It injected as a global by DroolsScoreDirector in the WorkingMemory to avoid a performance problem in Drools Expert with using 2 or more accumulates in the same rule. Other ScoreDirector implementations do not use this class.

TODO JBRULES-2238 remove this class when the rule that sums the final score can be written as a single rule and it is dead

Method Summary

Score

extractScore() Extracts the Score, calculated by the WorkingMemory for DroolsScoreDirector.

Method Detail

extractScore

Score extractScore()

Extracts the Score, calculated by the WorkingMemory for DroolsScoreDirector.

Should not be called directly, use ScoreDirector.calculateScore() instead.

Returns:

never null, the Score of the working Solution