if (childrenFeatures == null) { super.getChildrenFeatures(object); childrenFeatures.add(EcorePackage.Literals.ECLASS__EOPERATIONS); childrenFeatures.add(EcorePackage.Literals.ECLASS__ESTRUCTURAL_FEATURES); childrenFeatures.add(2, EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES); } return childrenFeatures;
if (owners == null) { owners = new UniqueEList<Object>(); addOwners(getCommand()); } return owners;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/provider/EClassItemProvider.java File path: /emf-2.4.1/src/org/eclipse/emf/edit/provider/ItemProviderAdapter.java
Method name: Collection getChildrenFeatures(Object) Method name: List getOwners()
Number of AST nodes: 6 Number of AST nodes: 4
1
if (childrenFeatures == null)
1
if (owners == null)
2
    {
2
      {
3
      super.getChildrenFeatures(object);
3
      
4
      childrenFeatures.add(EcorePackage.Literals.ECLASS__EOPERATIONS);
5
      childrenFeatures.add(EcorePackage.Literals.ECLASS__ESTRUCTURAL_FEATURES);
6
      childrenFeatures.add(2, EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES
4
  owners = new UniqueEList<Object>();
7
);
5
        addOwners(getCommand());
8
    }
6
    
7
  }
9
    return childrenFeatures;
8
      return owners;
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 comparisons16
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)7.2
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (childrenFeatures == null)
    1
    if (childrenFeatures == null)
    1
    if (owners == null)
    Differences
    Expression1Expression2Difference
    childrenFeaturesownersVARIABLE_NAME_MISMATCH
    java.util.Listjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List<org.eclipse.emf.ecore.EStructuralFeature> of variable childrenFeatures does not match with type java.util.List<java.lang.Object> of variable owners
    • Make classes java.util.List and java.util.List extend a common superclass
    1
    if (owners == null)
                                                                            
    2
    owners = new UniqueEList<Object>();
    Preondition Violations
    Unmatched statement owners=new UniqueEList<Object>(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    owners = new UniqueEList<Object>();
    2
    super.getChildrenFeatures(object);
                                                                              
    3
    childrenFeatures.add(EcorePackage.Literals.ECLASS__EOPERATIONS);
                                                                                                                                          
    4
    childrenFeatures.add(EcorePackage.Literals.ECLASS__ESTRUCTURAL_FEATURES);
                                                                                                                                                            
    5
    childrenFeatures.add(2, EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES);
    5
    childrenFeatures.add(2, EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES);
    3
    addOwners(getCommand());
    Differences
    Expression1Expression2Difference
    addaddOwnersMETHOD_INVOCATION_NAME_MISMATCH
    childrenFeatures.add(2,EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES)addOwners(getCommand())ARGUMENT_NUMBER_MISMATCH
    childrenFeaturesMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression childrenFeatures.add(2,EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES) is a void method call, and thus it cannot be parameterized
    Expression addOwners(getCommand()) is a void method call, and thus it cannot be parameterized
    Expression childrenFeatures.add(2,EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES) is a void method call, and thus it cannot be parameterized
    Expression addOwners(getCommand()) is a void method call, and thus it cannot be parameterized
    3
    addOwners(getCommand());
                                      
    4
    return owners;
    Preondition Violations
    Unmatched return owners;
    4
    return owners;
    6
    return childrenFeatures;
    6
    return childrenFeatures;
    Preondition Violations
    Unmatched return childrenFeatures;
                                                          
    Precondition Violations (8)
    Row Violation
    1Type java.util.List<org.eclipse.emf.ecore.EStructuralFeature> of variable childrenFeatures does not match with type java.util.List<java.lang.Object> of variable owners
    2Unmatched statement owners=new UniqueEList<Object>(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Expression childrenFeatures.add(2,EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES) is a void method call, and thus it cannot be parameterized
    4Expression addOwners(getCommand()) is a void method call, and thus it cannot be parameterized
    5Expression childrenFeatures.add(2,EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES) is a void method call, and thus it cannot be parameterized
    6Expression addOwners(getCommand()) is a void method call, and thus it cannot be parameterized
    7Unmatched return owners;
    8Unmatched return childrenFeatures;