if (listChangeItemProvider == null) { listChangeItemProvider = new ListChangeItemProvider(this); } return listChangeItemProvider;
if (contents == null) { contents = new ContentsEList<EObject>(); } return contents;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/change/provider/ChangeItemProviderAdapterFactory.java File path: /emf-2.4.1/src/org/eclipse/emf/ecore/resource/impl/ResourceImpl.java
Method name: Adapter createListChangeAdapter() Method name: EList getContents()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (listChangeItemProvider == null)
1
if (
2
    {
3
      listChangeItemProvider = new ListChangeItemProvider(this
2
contents == null)
3
    {
4
);
4
      contents = new ContentsEList<EObject>();
5
    }
5
    }
6
    return listChangeItemProvider;
6
    return contents;
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 comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (listChangeItemProvider == null)
    1
    if (listChangeItemProvider == null)
    1
    if (contents == null)
    Differences
    Expression1Expression2Difference
    listChangeItemProvidercontentsVARIABLE_NAME_MISMATCH
    org.eclipse.emf.ecore.change.provider.ListChangeItemProviderorg.eclipse.emf.ecore.resource.impl.ResourceImpl.ContentsEListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.change.provider.ListChangeItemProvider of variable listChangeItemProvider does not match with type org.eclipse.emf.ecore.resource.impl.ResourceImpl.ContentsEList<org.eclipse.emf.ecore.EObject> of variable contents
    • Make classes org.eclipse.emf.ecore.change.provider.ListChangeItemProvider and org.eclipse.emf.ecore.resource.impl.ResourceImpl.ContentsEList extend a common superclass
    1
    if (contents == null)
                                                                                      
    2
    contents = new ContentsEList<EObject>();
    2
    listChangeItemProvider = new ListChangeItemProvider(this);
                                                                                                                          
                                          
    3
    return contents;
    Preondition Violations
    Unmatched return contents;
    3
    return contents;
    3
    return listChangeItemProvider;
    3
    return listChangeItemProvider;
    Preondition Violations
    Unmatched return listChangeItemProvider;
                                                                      
    Precondition Violations (3)
    Row Violation
    1Type org.eclipse.emf.ecore.change.provider.ListChangeItemProvider of variable listChangeItemProvider does not match with type org.eclipse.emf.ecore.resource.impl.ResourceImpl.ContentsEList<org.eclipse.emf.ecore.EObject> of variable contents
    2Unmatched return contents;
    3Unmatched return listChangeItemProvider;