First try, not finished yet

dmnverifierapi/src/main/java/de/unikoblenz/fgbks/core/dmn/verification/verifier/impl/PartialReductionVerifier.java

@@ -6,14 +6,25 @@ import static de.unikoblenz.fgbks.core.dmn.domain.vdmn.utils.VDmnFunctions.getRu
 import static de.unikoblenz.fgbks.core.dmn.domain.vdmn.utils.VDmnFunctions.templateDecision;
 import static de.unikoblenz.fgbks.core.dmn.verification.result.actions.VerificationFix.SHOW_RULES;
 
+import de.unikoblenz.fgbks.base.domain.Name;
+import de.unikoblenz.fgbks.core.dmn.domain.common.RowNumber;
+import de.unikoblenz.fgbks.core.dmn.domain.ids.InputEntryId;
+import de.unikoblenz.fgbks.core.dmn.domain.ids.RuleId;
 import de.unikoblenz.fgbks.core.dmn.domain.vdmn.VDmnDecision;
 import de.unikoblenz.fgbks.core.dmn.domain.vdmn.VDmnDecisionTable;
 import de.unikoblenz.fgbks.core.dmn.domain.vdmn.VDmnInputColumn;
 import de.unikoblenz.fgbks.core.dmn.domain.vdmn.VDmnInputValue;
 import de.unikoblenz.fgbks.core.dmn.domain.vdmn.VDmnRule;
+import de.unikoblenz.fgbks.core.dmn.domain.vdmn.impl.VDmnInputValueImpl;
+import de.unikoblenz.fgbks.core.dmn.domain.vdmn.impl.VDmnRuleChangeableImpl;
+import de.unikoblenz.fgbks.core.dmn.domain.vdmn.impl.VDmnRuleImpl;
 import de.unikoblenz.fgbks.core.dmn.domain.vdmn.utils.VDmnFunctions;
 import de.unikoblenz.fgbks.core.dmn.verification.result.VerificationResultEntry.VerificationClassification;
 import de.unikoblenz.fgbks.core.dmn.verification.result.VerificationResultEntryElement;
+import de.unikoblenz.fgbks.core.dmn.verification.result.actions.Action;
+import de.unikoblenz.fgbks.core.dmn.verification.result.actions.ActionScope;
+import de.unikoblenz.fgbks.core.dmn.verification.result.actions.ActionType;
+import de.unikoblenz.fgbks.core.dmn.verification.result.actions.VerificationFix;
 import de.unikoblenz.fgbks.core.dmn.verification.verifier.AbstractVerifier;
 import de.unikoblenz.fgbks.core.dmn.verification.verifier.DmnVerifier;
 import de.unikoblenz.fgbks.core.dmn.verification.verifier.types.PartialReductionVerification;
@@ -41,6 +52,7 @@ public class PartialReductionVerifier extends AbstractVerifier {
       List<VDmnInputColumn> inColumns, int i, List<VDmnRule> clusterRules, boolean hasCombination) {
     if (i == inColumns.size()) {
       if (hasCombination) {
+        createCombinedRule(inColumns, clusterRules);
         clusterRules.forEach(
             rule -> vreFactory.addElement(VerificationResultEntryElement.create(rule)));
         vreFactory.addVerificationFix(SHOW_RULES);
@@ -48,6 +60,7 @@ public class PartialReductionVerifier extends AbstractVerifier {
             VerificationClassification.INFO,
             templateDecision(inColumns.get(0).getDmnDecision()) + "Rules %s can be combined.",
             getRulesRowsStrings(clusterRules));
+
       }
     } else {
       List<VDmnInputValue> rules =
@@ -97,4 +110,44 @@ public class PartialReductionVerifier extends AbstractVerifier {
       }
     }
   }
+
+  private void createCombinedRule(List<VDmnInputColumn> inColumns, List<VDmnRule> clusterRules) {
+    // Combined Rule:
+    VDmnRuleChangeableImpl r =
+        new VDmnRuleChangeableImpl(
+            VDmnRuleImpl.getBuilder()
+                .withRuleId(new RuleId("TODO"))
+                .addInputValue(clusterRules.get(1).getDmnInputValues().get(0))
+                .withDmnDecisionTable(inColumns.get(0).getDmnDecisionTable())
+                .withRowNumber(new RowNumber(999L))
+                .build());
+    for (int x = 0; x < inColumns.size(); x++) {
+      r.setInputValue(
+          x,
+          VDmnInputValueImpl.getBuilder()
+              .withInputEntryId(new InputEntryId("TODO"))
+              .withText("")
+              .withBoundary(
+                  clusterRules
+                      .get(0)
+                      .getDmnInputValues()
+                      .get(x)
+                      .getBoundary()
+                      .createBi(
+                          COMBINE, clusterRules.get(1).getDmnInputValues().get(x).getBoundary())
+                      .get())
+              .withDmnInputColumn(inColumns.get(x))
+              .withDmnRule(r)
+              .build());
+    }
+    vreFactory.addVerificationFix(VerificationFix.getBuilder()
+        .withFixName(new Name("Combine"))
+        .addAction(Action.getBuilder()
+            .withActionScope(ActionScope.RULE)
+            .withActionType(ActionType.CREATE)
+            .addValue("value", r.toString()) // TODO
+            .build())
+        .build()
+    );
+  }
 }