if (childrenFeatures == null) { super.getChildrenFeatures(object); childrenFeatures.add(ChangePackage.Literals.FEATURE_CHANGE__LIST_CHANGES); } return childrenFeatures;
if (ePackageToGenPackageMap == null) { ePackageToGenPackageMap = new HashMap<EPackage, GenPackage>(); } return ePackageToGenPackageMap;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/change/provider/FeatureChangeItemProvider.java File path: /emf-2.4.1/src/org/eclipse/emf/exporter/ModelExporter.java
Method name: Collection getChildrenFeatures(Object) Method name: Map getEPackageToGenPackageMap()
Number of AST nodes: 4 Number of AST nodes: 3
1
if (childrenFeatures == null)
1
if (
2
    {
3
      super.getChildrenFeatures(object);
4
      childrenFeatures.add(ChangePackage.Literals.FEATURE_CHANGE__LIST_CHANGES);
5
    }
6
    return childrenFeatures
2
ePackageToGenPackageMap == null)
3
    {
4
      ePackageToGenPackageMap = new HashMap<EPackage, GenPackage>();
5
    }
7
;
6
    return ePackageToGenPackageMap;
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are in different classes
Number of node comparisons7
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (childrenFeatures == null)
    1
    if (childrenFeatures == null)
    1
    if (ePackageToGenPackageMap == null)
    Differences
    Expression1Expression2Difference
    childrenFeaturesePackageToGenPackageMapVARIABLE_NAME_MISMATCH
    java.util.Listjava.util.MapVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List<org.eclipse.emf.ecore.EStructuralFeature> of variable childrenFeatures does not match with type java.util.Map<org.eclipse.emf.ecore.EPackage,org.eclipse.emf.codegen.ecore.genmodel.GenPackage> of variable ePackageToGenPackageMap
    • Make classes java.util.List and java.util.Map extend a common superclass
    1
    if (ePackageToGenPackageMap == null)
                                                                                                                                
    2
    ePackageToGenPackageMap = new HashMap<EPackage, GenPackage>();
    2
    super.getChildrenFeatures(object);
                                                                              
    3
    childrenFeatures.add(ChangePackage.Literals.FEATURE_CHANGE__LIST_CHANGES);
                                                                                                                                                              
                                                                        
    3
    return ePackageToGenPackageMap;
    Preondition Violations
    Unmatched return ePackageToGenPackageMap;
    3
    return ePackageToGenPackageMap;
    4
    return childrenFeatures;
    4
    return childrenFeatures;
    Preondition Violations
    Unmatched return childrenFeatures;
                                                          
    Precondition Violations (3)
    Row Violation
    1Type java.util.List<org.eclipse.emf.ecore.EStructuralFeature> of variable childrenFeatures does not match with type java.util.Map<org.eclipse.emf.ecore.EPackage,org.eclipse.emf.codegen.ecore.genmodel.GenPackage> of variable ePackageToGenPackageMap
    2Unmatched return ePackageToGenPackageMap;
    3Unmatched return childrenFeatures;