问滴水比较集

EN

Employees --> Have Skills
Jobs --> Have Skills
Skills

rule 'required Skills'
    when
        Job(employee != null, missingSkillCount > 0, $missingSkillCount : missingSkillCount)
    then
        scoreHolder.addHardConstraintMatch(kcontext, -10 * $missingSkillCount);
end

    public int getMissingSkillCount() {
        if (this.employee == null) {
            return 0;
        }
        int count = 0;
        for (Skill skill : this.reqskills) {
            if(!this.employee.getSkills().contains(skill)) {
                count++;
            }
        }
        return count;
    }