173-176-195

if (childrenFeatures == null) { super.getChildrenFeatures(object); childrenFeatures.add(ChangePackage.Literals.CHANGE_DESCRIPTION__OBJECT_CHANGES); childrenFeatures.add(ChangePackage.Literals.CHANGE_DESCRIPTION__OBJECTS_TO_ATTACH); childrenFeatures.add(ChangePackage.Literals.CHANGE_DESCRIPTION__RESOURCE_CHANGES); } return childrenFeatures;
if (referencedEPackageFilterToConvert == null) { referencedEPackageFilterToConvert = createReferencedEPackageFilterToConvert(); } return referencedEPackageFilterToConvert.filterReferencedEPackages(ePackages, referencedGenPackages);

Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/change/provider/ChangeDescriptionItemProvider.java |  | File path: /emf-2.4.1/src/org/eclipse/emf/converter/ModelConverter.java
Method name: `Collection getChildrenFeatures(Object)` |  | Method name: `List filterReferencedEPackagesToConvert(Collection, List)`
Number of AST nodes: 6 |  | Number of AST nodes: 3

1

    if (childrenFeatures == null)↵

1

    if (referencedEPackageFilterToConvert == null)↵

2

        {↵

2

        {↵

3

          super.getChildrenFeatures(object);↵

3

          ↵

4

          childrenFeatures.add(ChangePackage.Literals.CHANGE_DESCRIPTION__OBJECT_CHANGES);↵

5

          childrenFeatures.add(ChangePackage.Literals.CHANGE_DESCRIPTION__OBJECTS_TO_ATTACH);↵

6

          childrenFeatures.add(ChangePackage.Literals.CHANGE_DESCRIPTION__RESOURCE_CHANGES);↵

7

        }↵

8

        return childrenFeatur↵

4

    referencedEPackageFilterToConvert = createReferencedEPackageFilterToConvert();↵

5

        }↵

9

    es;

6

        return referencedEPackageFilterToConvert.filterReferencedEPackages(ePackages, referencedGenPackages);

See real code fragment |  | See real code fragment

Summary
Number of common nesting structure subtrees | 1
Number of refactorable cases | 0
Number of non-refactorable cases | 1
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.1
Clones location | Clones are in different classes
Number of node comparisons | 11

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 1
   Number of unmapped statements in the first code fragment | 5
   Number of unmapped statements in the second code fragment | 2
   Time elapsed for statement mapping (ms) | 0.7
   Clone type | Type 3

   Mapped Statements
   ID | Statement |  | ID | Statement
   --- | --- | --- | --- | ---

   1

       if (childrenFeatures == null)

   1 | if (childrenFeatures == null)
   1 | if (referencedEPackageFilterToConvert == null)

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   childrenFeatures | referencedEPackageFilterToConvert | VARIABLE_NAME_MISMATCH
   java.util.List | org.eclipse.emf.converter.ModelConverter.ReferencedEPackageFilter | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type java.util.List<org.eclipse.emf.ecore.EStructuralFeature> of variable childrenFeatures does not match with type org.eclipse.emf.converter.ModelConverter.ReferencedEPackageFilter of variable referencedEPackageFilterToConvert
   - Make classes java.util.List and org.eclipse.emf.converter.ModelConverter.ReferencedEPackageFilter extend a common superclass

   1

       if (referencedEPackageFilterToConvert == null)

   2

       referencedEPackageFilterToConvert = createReferencedEPackageFilterToConvert();

   2

       super.getChildrenFeatures(object);

   3

       childrenFeatures.add(ChangePackage.Literals.CHANGE_DESCRIPTION__OBJECT_CHANGES);

   4

       childrenFeatures.add(ChangePackage.Literals.CHANGE_DESCRIPTION__OBJECTS_TO_ATTACH);

   5

       childrenFeatures.add(ChangePackage.Literals.CHANGE_DESCRIPTION__RESOURCE_CHANGES);

   3 | return referencedEPackageFilterToConvert.filterReferencedEPackages(ePackages, referencedGenPackages);

   Preondition Violations
   Unmatched return referencedEPackageFilterToConvert.filterReferencedEPackages(ePackages,referencedGenPackages);

   3

       return referencedEPackageFilterToConvert.filterReferencedEPackages(ePackages, referencedGenPackages);

   6

       return childrenFeatures;

   6 | return childrenFeatures;

   Preondition Violations
   Unmatched return childrenFeatures;

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Type java.util.List<org.eclipse.emf.ecore.EStructuralFeature> of variable childrenFeatures does not match with type org.eclipse.emf.converter.ModelConverter.ReferencedEPackageFilter of variable referencedEPackageFilterToConvert
   2 | Unmatched return referencedEPackageFilterToConvert.filterReferencedEPackages(ePackages,referencedGenPackages);
   3 | Unmatched return childrenFeatures;