I would consider using comparable lists, where
workorderSkill.compareTo(employeeSkills) can be true for the same skill.
When
$workorder : WorkOrder( $requiredSkills : skills)
$workorderSkill : Skill ( ) from $requiredSkills
$employee : Employee( skills contains $workorderSkill)
then
// do whatever, for each employee with a matching skill for all
work orders, this rule will file.
// if you need to limit only one employee with matching skill
to workorder, then more logic will need to be built
End
In this scenario, you are collecting all the workorder, and required skills.
Then you check each employee to see if their list of skills contains any of the
required skills (not all skill are required in this case, just one skill like
your example suggested).
From: [email protected]
[mailto:[email protected]] On Behalf Of André Fróes
Sent: Monday, February 18, 2013 10:52 AM
To: Rules Users List
Subject: Re: [rules-users] Comparing 2 Lists [Planner]
I found (i guess) a way to iterate over list, but it is not comparing and
assigning the workorder now. I tried this way:
-----------------
rule "requiredSkill"
when
There is an unassigned workorder
and the workorder has a requiredSkill other than null
and there is an engineer
and the engineer has a skill other than null
and engineer skill is the same as workorder skill
then
assign workorder to engineer
engineer
-----------------
this is how i tried implementing;
-----------------
rule "requiredSkill"
when
$workOrder : WorkOrder()
$woReqSkill : SkillWorkOrder($requiredSkillWO : skill ,
eval(skill != null)) from $workOrder.requiredSkills
$engineer : Engineer()
$engineerSkill : SkillEngineer($engSkill : skill, eval(skill !=
null)) from $engineer.skillEngineerList
exists SkillEngineer( $engineerSkill.skill == $woReqSkill.skill )
then
insertLogical(new
IntConstraintOccurrence("requiredSkill", ConstraintType.NEGATIVE_HARD,
1, $engineer));
end
-----------------
But all workorders are going to the same one, it is not validating if one is
equals to other.
2013/2/18 André Fróes <[email protected]<mailto:[email protected]>>
Hello everyone!
How can I compare 2 lists with a rule?
I upgraded my basic model to a more complex one now, but now I hit a wall. My
WorkOrder have a List of skills, and my Engineer also have a list of Skills and
I have to compare one with another.
Example:
Engineer A have skill ABC 1
Engineer B have skill ABC 2
Engineer C have skill ABC 3
WorkOrder A needs an engineer with skill ABC 3
WorkOrder B needs an engineer with skill ABC 1
WorkOrder C needs an engineer with skill ABC 2
The result should be this:
Engineer A will receive WorkOrder B
Engineer B will receive WorkOrder C
Engineer C will receive WorkOrder A
---------------
I am able to sort it by time, but not by skill, and I don't know how to loop
over each list to find if one have the skills needed to fulful the other. These
are my classes involved:
WorkOrder attributes:
--------
private int requiredWorktime;
private Priority priority;(enum)
private Severity severity;(enum)
private List<SkillWorkOrder> requiredSkills;
--------
Engineer attributes:
--------
private int worktime;
private String name;
private List<SkillEngineer> skillEngineerList;
--------
Skill attributes:
--------
private String name;
--------
both SkillEngineer and SkillWorkOrder are classes that simple receives the
named class and a Skill:
Eg:
private Engineer engineer; //Or WorkOrder
private Skill skill;
Is it possible to iterate over these 2 lists, by drool rule, to check wich
engineer have most coincidences with an workorder? (Eg: if and Engineer have
skill ABC1, ABC2 and a WorkOrder needs an engineer with skill ABC1, ABC2 and
ABC3 he would be choseng among the others because his skills)
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