Patch/#35 codacy issues

.codacy.yml

@@ -0,0 +1,5 @@
+---
+exclude_paths:
+  - 'opt4j-viewer/src/main/java/ptolemy/**/*'
+  - '**/*.py'
+  - '**/*.js'

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/dtlz/DTLZModule.java

@@ -304,7 +304,7 @@ public void config() {
 			creator = BinaryCreator.class;
 			decoder = BinaryToDoubleDecoder.class;
 			break;
-		case DOUBLE:
+		default: // DOUBLE
 			creator = DoubleCreator.class;
 			decoder = DoubleCopyDecoder.class;
 			break;
@@ -334,6 +334,7 @@ public void config() {
 			break;
 		default:
 			evaluator = DTLZ1.class;
+			break;
 		}
 
 		bindConstant(N.class).to(n);

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/knapsack/KnapsackModule.java

@@ -27,8 +27,9 @@
 import org.opt4j.core.start.Constant;
 
 /**
- * The multiobjective 0/1 ILP knapsack problem as proposed in Zitzler and Thiele 1999. Either one of the nine benchmark
- * problems from Zitzler and Thiele 1999 can be selected or the number of knapsacks and items can be set manually.
+ * The multiobjective 0/1 ILP knapsack problem as proposed in Zitzler and Thiele
+ * 1999. Either one of the nine benchmark problems from Zitzler and Thiele 1999
+ * can be selected or the number of knapsacks and items can be set manually.
  * 
  * @see <a href=
  *      "http://www.tik.ee.ethz.ch/sop/download/supplementary/testProblemSuite/">http://www.tik.ee.ethz.ch/sop/download/supplementary/testProblemSuite/</a>
@@ -130,7 +131,7 @@ protected void config() {
 		}
 
 		switch (representation) {
-		case BITSTRING:
+		default: // BITSTRING
 			bindProblem(KnapsackBinaryCreatorDecoder.class, KnapsackBinaryCreatorDecoder.class,
 					KnapsackProfitEvaluator.class);
 			break;

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/queens/QueensErrorEvaluator.java

@@ -20,7 +20,6 @@
  * SOFTWARE.
  *******************************************************************************/
 
-
 package org.opt4j.benchmarks.queens;
 
 import static org.opt4j.core.Objective.Sign.MIN;
@@ -82,6 +81,22 @@ public Objectives evaluate(QueensBoard queensBoard) {
 	 */
 	private int countErrors(QueensBoard queensBoard) {
 		int errorcount = 0;
+
+		errorcount += countErrorsRowsColumns(queensBoard);
+		errorcount += countErrorsDiagonals(queensBoard);
+
+		return errorcount;
+	}
+
+	/**
+	 * Helper function to count the errors in rows and columns.
+	 * 
+	 * @param queensBoard
+	 *            the board
+	 * @return the error count in rows and columns
+	 */
+	protected int countErrorsRowsColumns(QueensBoard queensBoard) {
+		int errorcount = 0;
 		int size = problem.size();
 
 		for (int i = 0; i < size; i++) {
@@ -106,6 +121,20 @@ private int countErrors(QueensBoard queensBoard) {
 			errorcount += sum;
 		}
 
+		return errorcount;
+	}
+
+	/**
+	 * Helper function to count the errors in diagonals.
+	 * 
+	 * @param queensBoard
+	 *            the board
+	 * @return the error count in diagonals
+	 */
+	protected int countErrorsDiagonals(QueensBoard queensBoard) {
+		int errorcount = 0;
+		int size = problem.size();
+
 		for (int k = -size + 1; k < size; k++) {
 			// diagonal 1
 			int sum = 0;

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/queens/QueensModule.java

@@ -63,13 +63,6 @@ public class QueensModule extends ProblemModule {
 	@Order(3)
 	protected Dec decoder = Dec.SAT;
 
-	/**
-	 * Constructs a {@link QueensModule}.
-	 */
-	public QueensModule() {
-		super();
-	}
-
 	/**
 	 * The {@link Decoder} strategy for the queens problem.
 	 * 
@@ -105,7 +98,7 @@ public void config() {
 		Class<? extends Decoder<?, ?>> decoderClass = null;
 
 		switch (decoder) {
-		case SAT:
+		default: // SAT
 			creatorClass = QueensSATDecoder.class;
 			decoderClass = QueensSATDecoder.class;
 			break;

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/queens/QueensSATDecoder.java

@@ -19,7 +19,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  *******************************************************************************/
-
 
 package org.opt4j.benchmarks.queens;
 
@@ -90,7 +89,20 @@ public QueensBoard convertModel(Model model) {
 	@Override
 	public Set<Constraint> createConstraints() {
 		Set<Constraint> constraints = new HashSet<Constraint>();
+
+		constraints.addAll(createConstraintsRowsColumns());
+		constraints.addAll(createConstraintsDiagonal());
+		return constraints;
+	}
+
+	/**
+	 * Helper function for createConstraints() that creates the constraints regarding rows and columns.
+	 * 
+	 * @return constraints regarding rows and columns
+	 */
+	protected Set<Constraint> createConstraintsRowsColumns() {
 		int size = problem.size();
+		Set<Constraint> constraints = new HashSet<Constraint>();
 
 		for (int i = 0; i < size; i++) {
 
@@ -112,6 +124,19 @@ public Set<Constraint> createConstraints() {
 			constraints.add(constraint);
 		}
 
+		return constraints;
+
+	}
+
+	/**
+	 * Helper function for createConstraints() that creates the constraints regarding diagonals.
+	 * 
+	 * @return constraints regarding diagonals
+	 */
+	protected Set<Constraint> createConstraintsDiagonal() {
+		int size = problem.size();
+		Set<Constraint> constraints = new HashSet<Constraint>();
+
 		for (int k = -size + 1; k < size; k++) {
 			// diagonal 1
 			Constraint constraint = new Constraint("<=", 1);
@@ -137,5 +162,6 @@ public Set<Constraint> createConstraints() {
 		}
 
 		return constraints;
+
 	}
 }

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFG1.java

@@ -66,7 +66,7 @@ protected static List<Double> t1(final List<Double> y, final int k) {
 		}
 
 		for (int i = k; i < n; i++) {
-			t.add(WFGTransFunctions.s_linear(y.get(i), 0.35));
+			t.add(WFGTransFunctions.sLinear(y.get(i), 0.35));
 		}
 
 		return t;
@@ -85,7 +85,7 @@ protected static List<Double> t2(final List<Double> y, final int k) {
 		}
 
 		for (int i = k; i < n; i++) {
-			t.add(WFGTransFunctions.b_flat(y.get(i), 0.8, 0.75, 0.85));
+			t.add(WFGTransFunctions.bFlat(y.get(i), 0.8, 0.75, 0.85));
 		}
 
 		return t;
@@ -96,7 +96,7 @@ protected static List<Double> t3(final List<Double> y) {
 		List<Double> t = new ArrayList<Double>();
 
 		for (int i = 0; i < n; i++) {
-			t.add(WFGTransFunctions.b_poly(y.get(i), 0.02));
+			t.add(WFGTransFunctions.bPoly(y.get(i), 0.02));
 		}
 
 		return t;
@@ -125,13 +125,13 @@ protected static List<Double> t4(final List<Double> y, final int k, final int M)
 			final List<Double> y_sub = y.subList(head, tail);
 			final List<Double> w_sub = w.subList(head, tail);
 
-			t.add(WFGTransFunctions.r_sum(y_sub, w_sub));
+			t.add(WFGTransFunctions.rSum(y_sub, w_sub));
 		}
 
 		final List<Double> y_sub = y.subList(k, n);
 		final List<Double> w_sub = w.subList(k, n);
 
-		t.add(WFGTransFunctions.r_sum(y_sub, w_sub));
+		t.add(WFGTransFunctions.rSum(y_sub, w_sub));
 
 		return t;
 	}

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFG2.java

@@ -70,7 +70,7 @@ protected static List<Double> t2(final List<Double> y, final int k) {
 			final int head = k + 2 * (i - k) - 2;
 			final int tail = k + 2 * (i - k);
 
-			t.add(WFGTransFunctions.r_nonsep(y.subList(head, tail), 2));
+			t.add(WFGTransFunctions.rNonsep(y.subList(head, tail), 2));
 		}
 
 		return t;
@@ -98,13 +98,13 @@ protected static List<Double> t3(final List<Double> y, final int k, final int M)
 			final List<Double> y_sub = y.subList(head, tail);
 			final List<Double> w_sub = w.subList(head, tail);
 
-			t.add(WFGTransFunctions.r_sum(y_sub, w_sub));
+			t.add(WFGTransFunctions.rSum(y_sub, w_sub));
 		}
 
 		final List<Double> y_sub = y.subList(k, n);
 		final List<Double> w_sub = w.subList(k, n);
 
-		t.add(WFGTransFunctions.r_sum(y_sub, w_sub));
+		t.add(WFGTransFunctions.rSum(y_sub, w_sub));
 
 		return t;
 	}

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFG4.java

@@ -58,7 +58,7 @@ public static List<Double> t1(final List<Double> y) {
 		List<Double> t = new ArrayList<Double>();
 
 		for (int i = 0; i < n; i++) {
-			t.add(WFGTransFunctions.s_multi(y.get(i), 30, 10, 0.35));
+			t.add(WFGTransFunctions.sMulti(y.get(i), 30, 10, 0.35));
 		}
 
 		return t;

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFG5.java

@@ -58,7 +58,7 @@ protected static List<Double> t1(final List<Double> y) {
 		List<Double> t = new ArrayList<Double>();
 
 		for (int i = 0; i < n; i++) {
-			t.add(WFGTransFunctions.s_decept(y.get(i), 0.35, 0.001, 0.05));
+			t.add(WFGTransFunctions.sDecept(y.get(i), 0.35, 0.001, 0.05));
 		}
 
 		return t;

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFG6.java

@@ -68,12 +68,12 @@ public static List<Double> t2(final List<Double> y, final int k, final int M) {
 
 			final List<Double> y_sub = y.subList(head, tail);
 
-			t.add(WFGTransFunctions.r_nonsep(y_sub, k / (M - 1)));
+			t.add(WFGTransFunctions.rNonsep(y_sub, k / (M - 1)));
 		}
 
 		final List<Double> y_sub = y.subList(k, n);
 
-		t.add(WFGTransFunctions.r_nonsep(y_sub, n - k));
+		t.add(WFGTransFunctions.rNonsep(y_sub, n - k));
 
 		return t;
 	}

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFG7.java

@@ -69,9 +69,9 @@ public static List<Double> t1(final List<Double> y, final int k) {
 			final List<Double> y_sub = y.subList(i + 1, n);
 			final List<Double> w_sub = w.subList(i + 1, n);
 
-			final double u = WFGTransFunctions.r_sum(y_sub, w_sub);
+			final double u = WFGTransFunctions.rSum(y_sub, w_sub);
 
-			t.add(WFGTransFunctions.b_param(y.get(i), u, 0.98 / 49.98, 0.02, 50));
+			t.add(WFGTransFunctions.bParam(y.get(i), u, 0.98 / 49.98, 0.02, 50));
 		}
 
 		for (int i = k; i < n; i++) {

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFG8.java

@@ -73,9 +73,9 @@ protected static List<Double> t1(final List<Double> y, final int k) {
 			final List<Double> y_sub = y.subList(0, i);
 			final List<Double> w_sub = w.subList(0, i);
 
-			final double u = WFGTransFunctions.r_sum(y_sub, w_sub);
+			final double u = WFGTransFunctions.rSum(y_sub, w_sub);
 
-			t.add(WFGTransFunctions.b_param(y.get(i), u, 0.98 / 49.98, 0.02, 50));
+			t.add(WFGTransFunctions.bParam(y.get(i), u, 0.98 / 49.98, 0.02, 50));
 		}
 
 		return t;

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFG9.java

@@ -66,9 +66,9 @@ protected static List<Double> t1(final List<Double> y) {
 			final List<Double> y_sub = y.subList(i + 1, n);
 			final List<Double> w_sub = w.subList(i + 1, n);
 
-			final double u = WFGTransFunctions.r_sum(y_sub, w_sub);
+			final double u = WFGTransFunctions.rSum(y_sub, w_sub);
 
-			t.add(WFGTransFunctions.b_param(y.get(i), u, 0.98 / 49.98, 0.02, 50));
+			t.add(WFGTransFunctions.bParam(y.get(i), u, 0.98 / 49.98, 0.02, 50));
 		}
 
 		t.add(y.get(n - 1));
@@ -85,11 +85,11 @@ protected static List<Double> t2(final List<Double> y, final int k) {
 		List<Double> t = new ArrayList<Double>();
 
 		for (int i = 0; i < k; i++) {
-			t.add(WFGTransFunctions.s_decept(y.get(i), 0.35, 0.001, 0.05));
+			t.add(WFGTransFunctions.sDecept(y.get(i), 0.35, 0.001, 0.05));
 		}
 
 		for (int i = k; i < n; i++) {
-			t.add(WFGTransFunctions.s_multi(y.get(i), 30, 95, 0.35));
+			t.add(WFGTransFunctions.sMulti(y.get(i), 30, 95, 0.35));
 		}
 
 		return t;

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFGEvaluator.java

@@ -109,7 +109,7 @@ protected static List<Double> calculateF(final List<Double> x, final List<Double
 			S.add(m * 2.0);
 		}
 
-		return caculateF(x, h, S);
+		return calculateF(x, h, S);
 	}
 
 	protected static List<Double> normalizeZ(final List<Double> z, final List<Double> z_max) {
@@ -146,7 +146,7 @@ protected static List<Double> calculateX(final List<Double> t_p, final List<Bool
 		return result;
 	}
 
-	protected static List<Double> caculateF(final List<Double> x, final List<Double> h, final List<Double> S) {
+	protected static List<Double> calculateF(final List<Double> x, final List<Double> h, final List<Double> S) {
 		assert (x.size() == h.size());
 		assert (h.size() == S.size());
 

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFGI1.java

@@ -80,7 +80,7 @@ protected static List<Double> shape(final List<Double> t_p) {
 			S.add(1.0);
 		}
 
-		return caculateF(x, h, S);
+		return calculateF(x, h, S);
 	}
 
 	/*

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFGI3.java

@@ -68,9 +68,9 @@ public static List<Double> t1(final List<Double> y) {
 			final List<Double> y_sub = y.subList(0, i);
 			final List<Double> w_sub = w.subList(0, i);
 
-			final double u = WFGTransFunctions.r_sum(y_sub, w_sub);
+			final double u = WFGTransFunctions.rSum(y_sub, w_sub);
 
-			t.add(WFGTransFunctions.b_param(y.get(i), u, 0.98 / 49.98, 0.02, 50));
+			t.add(WFGTransFunctions.bParam(y.get(i), u, 0.98 / 49.98, 0.02, 50));
 		}
 
 		return t;

opt4j-benchmarks/src/main/java/org/opt4j/benchmarks/wfg/WFGModule.java

@@ -304,7 +304,7 @@ public void config() {
 		Class<? extends Evaluator<?>> evaluator = null;
 
 		switch (encoding) {
-		case BINARY:
+		default: //BINARY
 			creator = BinaryCreator.class;
 			decoder = BinaryToDoubleDecoder.class;
 			break;