if (changeDescriptionItemProvider == null) { changeDescriptionItemProvider = new ChangeDescriptionItemProvider(this); } return changeDescriptionItemProvider;
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/change/provider/ChangeItemProviderAdapterFactory.java File path: /emf-2.4.1/src/org/eclipse/emf/edit/provider/ItemProviderAdapter.java
Method name: Adapter createChangeDescriptionAdapter() Method name: List getOwners()
Number of AST nodes: 3 Number of AST nodes: 4
1
if (changeDescriptionItemProvider == null)
1
if (owners == null)
2
    {
2
      {
3
      changeDescriptionItemProvider = new ChangeDescriptionItemProvider(this
3
        owners = new UniqueEList<Object>();
4
);
4
        addOwners(getCommand());
5
    }
5
      }
6
    return changeDescriptionItemProvider;
6
      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 comparisons7
  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 fragment3
    Time elapsed for statement mapping (ms)0.4
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (changeDescriptionItemProvider == null)
    1
    if (changeDescriptionItemProvider == null)
    1
    if (owners == null)
    Differences
    Expression1Expression2Difference
    changeDescriptionItemProviderownersVARIABLE_NAME_MISMATCH
    org.eclipse.emf.ecore.change.provider.ChangeDescriptionItemProviderjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.change.provider.ChangeDescriptionItemProvider of variable changeDescriptionItemProvider does not match with type java.util.List<java.lang.Object> of variable owners
    • Make classes org.eclipse.emf.ecore.change.provider.ChangeDescriptionItemProvider and java.util.List extend a common superclass
    1
    if (owners == null)
                                                                            
    2
    owners = new UniqueEList<Object>();
    2
    changeDescriptionItemProvider = new ChangeDescriptionItemProvider(this);
                                                                                                                                                      
                                                          
    3
    addOwners(getCommand());
    3
    return changeDescriptionItemProvider;
    3
    return changeDescriptionItemProvider;
    Preondition Violations
    Unmatched return changeDescriptionItemProvider;
                                                                                    
                                      
    4
    return owners;
    Preondition Violations
    Unmatched return owners;
    4
    return owners;
    Precondition Violations (3)
    Row Violation
    1Type org.eclipse.emf.ecore.change.provider.ChangeDescriptionItemProvider of variable changeDescriptionItemProvider does not match with type java.util.List<java.lang.Object> of variable owners
    2Unmatched return changeDescriptionItemProvider;
    3Unmatched return owners;