chore: bring Sonar reliability rating back to green

core/src/main/java/ai/timefold/solver/core/impl/domain/valuerange/buildin/bigdecimal/BigDecimalValueRange.java

@@ -10,7 +10,7 @@
 import ai.timefold.solver.core.impl.domain.valuerange.util.ValueRangeIterator;
 import ai.timefold.solver.core.impl.solver.random.RandomUtils;
 
-public class BigDecimalValueRange extends AbstractCountableValueRange<BigDecimal> {
+public final class BigDecimalValueRange extends AbstractCountableValueRange<BigDecimal> {
 
     private final BigDecimal from;
     private final BigDecimal to;

core/src/main/java/ai/timefold/solver/core/impl/domain/valuerange/buildin/biginteger/BigIntegerValueRange.java

@@ -9,7 +9,7 @@
 import ai.timefold.solver.core.impl.domain.valuerange.util.ValueRangeIterator;
 import ai.timefold.solver.core.impl.solver.random.RandomUtils;
 
-public class BigIntegerValueRange extends AbstractCountableValueRange<BigInteger> {
+public final class BigIntegerValueRange extends AbstractCountableValueRange<BigInteger> {
 
     private final BigInteger from;
     private final BigInteger to;

core/src/main/java/ai/timefold/solver/core/impl/domain/valuerange/buildin/collection/ListValueRange.java

@@ -7,7 +7,7 @@
 import ai.timefold.solver.core.impl.domain.valuerange.AbstractCountableValueRange;
 import ai.timefold.solver.core.impl.heuristic.selector.common.iterator.CachedListRandomIterator;
 
-public class ListValueRange<T> extends AbstractCountableValueRange<T> {
+public final class ListValueRange<T> extends AbstractCountableValueRange<T> {
 
     private final List<T> list;
 

core/src/main/java/ai/timefold/solver/core/impl/domain/valuerange/buildin/composite/CompositeCountableValueRange.java

@@ -14,7 +14,7 @@
 import ai.timefold.solver.core.impl.domain.valuerange.util.ValueRangeIterator;
 import ai.timefold.solver.core.impl.solver.random.RandomUtils;
 
-public class CompositeCountableValueRange<T> extends AbstractCountableValueRange<T> {
+public final class CompositeCountableValueRange<T> extends AbstractCountableValueRange<T> {
 
     private final List<? extends CountableValueRange<T>> childValueRangeList;
     private final long size;

core/src/main/java/ai/timefold/solver/core/impl/domain/valuerange/buildin/composite/EmptyValueRange.java

@@ -7,10 +7,7 @@
 import ai.timefold.solver.core.impl.domain.valuerange.AbstractCountableValueRange;
 import ai.timefold.solver.core.impl.domain.valuerange.util.ValueRangeIterator;
 
-public class EmptyValueRange<T> extends AbstractCountableValueRange<T> {
-
-    public EmptyValueRange() {
-    }
+public final class EmptyValueRange<T> extends AbstractCountableValueRange<T> {
 
     @Override
     public long getSize() {

core/src/main/java/ai/timefold/solver/core/impl/domain/valuerange/buildin/primboolean/BooleanValueRange.java

@@ -7,10 +7,7 @@
 import ai.timefold.solver.core.impl.domain.valuerange.AbstractCountableValueRange;
 import ai.timefold.solver.core.impl.domain.valuerange.util.ValueRangeIterator;
 
-public class BooleanValueRange extends AbstractCountableValueRange<Boolean> {
-
-    public BooleanValueRange() {
-    }
+public final class BooleanValueRange extends AbstractCountableValueRange<Boolean> {
 
     @Override
     public long getSize() {

core/src/main/java/ai/timefold/solver/core/impl/domain/valuerange/buildin/primint/IntValueRange.java

@@ -8,7 +8,7 @@
 import ai.timefold.solver.core.impl.domain.valuerange.util.ValueRangeIterator;
 import ai.timefold.solver.core.impl.solver.random.RandomUtils;
 
-public class IntValueRange extends AbstractCountableValueRange<Integer> {
+public final class IntValueRange extends AbstractCountableValueRange<Integer> {
 
     private final int from;
     private final int to;

core/src/main/java/ai/timefold/solver/core/impl/domain/valuerange/buildin/primlong/LongValueRange.java

@@ -8,7 +8,7 @@
 import ai.timefold.solver.core.impl.domain.valuerange.util.ValueRangeIterator;
 import ai.timefold.solver.core.impl.solver.random.RandomUtils;
 
-public class LongValueRange extends AbstractCountableValueRange<Long> {
+public final class LongValueRange extends AbstractCountableValueRange<Long> {
 
     private final long from;
     private final long to;

core/src/main/java/ai/timefold/solver/core/impl/domain/valuerange/buildin/temporal/TemporalValueRange.java

@@ -12,7 +12,7 @@
 import ai.timefold.solver.core.impl.domain.valuerange.util.ValueRangeIterator;
 import ai.timefold.solver.core.impl.solver.random.RandomUtils;
 
-public class TemporalValueRange<Temporal_ extends Temporal & Comparable<? super Temporal_>>
+public final class TemporalValueRange<Temporal_ extends Temporal & Comparable<? super Temporal_>>
         extends AbstractCountableValueRange<Temporal_> {
 
     private final Temporal_ from;

core/src/main/java/ai/timefold/solver/core/impl/heuristic/selector/move/generic/list/kopt/EntityOrderInfo.java

@@ -121,4 +121,13 @@ public int hashCode() {
         result = 31 * result + Arrays.hashCode(offsets);
         return result;
     }
+
+    @Override
+    public String toString() {
+        return "EntityOrderInfo{" +
+                "entities=" + Arrays.toString(entities) +
+                ", entityToEntityIndex=" + entityToEntityIndex +
+                ", offsets=" + Arrays.toString(offsets) +
+                '}';
+    }
 }