diff options
Diffstat (limited to 'Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner/src/hu/bme/mit/inf/dslreasoner/viatrasolver/reasoner/optimization/ObjectiveKind.java')
-rw-r--r-- | Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner/src/hu/bme/mit/inf/dslreasoner/viatrasolver/reasoner/optimization/ObjectiveKind.java | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner/src/hu/bme/mit/inf/dslreasoner/viatrasolver/reasoner/optimization/ObjectiveKind.java b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner/src/hu/bme/mit/inf/dslreasoner/viatrasolver/reasoner/optimization/ObjectiveKind.java new file mode 100644 index 00000000..cbbaaafd --- /dev/null +++ b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner/src/hu/bme/mit/inf/dslreasoner/viatrasolver/reasoner/optimization/ObjectiveKind.java | |||
@@ -0,0 +1,60 @@ | |||
1 | package hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.optimization; | ||
2 | |||
3 | import java.util.Comparator; | ||
4 | |||
5 | import org.eclipse.viatra.dse.objectives.Comparators; | ||
6 | |||
7 | public enum ObjectiveKind { | ||
8 | LOWER_IS_BETTER { | ||
9 | |||
10 | @Override | ||
11 | public Comparator<Double> getComparator() { | ||
12 | return Comparators.LOWER_IS_BETTER; | ||
13 | } | ||
14 | |||
15 | @Override | ||
16 | public double getInvalidValue() { | ||
17 | return Double.POSITIVE_INFINITY; | ||
18 | } | ||
19 | |||
20 | @Override | ||
21 | public double getSatisfiedValue() { | ||
22 | return Double.NEGATIVE_INFINITY; | ||
23 | } | ||
24 | |||
25 | }, | ||
26 | HIGHER_IS_BETTER { | ||
27 | |||
28 | @Override | ||
29 | public Comparator<Double> getComparator() { | ||
30 | return Comparators.HIGHER_IS_BETTER; | ||
31 | } | ||
32 | |||
33 | @Override | ||
34 | public double getInvalidValue() { | ||
35 | return Double.NEGATIVE_INFINITY; | ||
36 | } | ||
37 | |||
38 | @Override | ||
39 | public double getSatisfiedValue() { | ||
40 | return Double.POSITIVE_INFINITY; | ||
41 | } | ||
42 | |||
43 | }; | ||
44 | |||
45 | public abstract Comparator<Double> getComparator(); | ||
46 | |||
47 | public abstract double getInvalidValue(); | ||
48 | |||
49 | public abstract double getSatisfiedValue(); | ||
50 | |||
51 | public static ObjectiveKind fromComparator(Comparator<Double> comparator) { | ||
52 | if (Comparators.LOWER_IS_BETTER.equals(comparator)) { | ||
53 | return ObjectiveKind.LOWER_IS_BETTER; | ||
54 | } else if (Comparators.HIGHER_IS_BETTER.equals(comparator)) { | ||
55 | return ObjectiveKind.HIGHER_IS_BETTER; | ||
56 | } else { | ||
57 | throw new IllegalStateException("Only LOWER_IS_BETTER and HIGHER_IS_BETTER comparators are supported."); | ||
58 | } | ||
59 | } | ||
60 | } | ||