if (childrenReferences == null) { childrenReferences = new ArrayList<EReference>(); } return childrenReferences;
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/edit/provider/ItemProviderAdapter.java File path: /emf-2.4.1/src/org/eclipse/emf/edit/provider/ItemProviderAdapter.java
Method name: Collection getChildrenReferences(Object) Method name: List getOwners()
Number of AST nodes: 3 Number of AST nodes: 4
1
if (childrenReferences == null)
1
if (owners == null)
2
    {
2
      {
3
      childrenReferences = new ArrayList<EReference>();
3
        owners = new UniqueEList<Object>();
4
    }
4
    
5
    return childrenReference
5
    addOwners(getCommand());
6
      }
6
s;
7
      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 the same java file
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 (childrenReferences == null)
    1
    if (childrenReferences == null)
    1
    if (owners == null)
    Differences
    Expression1Expression2Difference
    childrenReferencesownersVARIABLE_NAME_MISMATCH
    java.util.Listjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List<org.eclipse.emf.ecore.EReference> of variable childrenReferences 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>();
    2
    childrenReferences = new ArrayList<EReference>();
                                                                                                        
                                                          
    3
    addOwners(getCommand());
    3
    return childrenReferences;
    3
    return childrenReferences;
    Preondition Violations
    Unmatched return childrenReferences;
                                                              
                                      
    4
    return owners;
    Preondition Violations
    Unmatched return owners;
    4
    return owners;
    Precondition Violations (3)
    Row Violation
    1Type java.util.List<org.eclipse.emf.ecore.EReference> of variable childrenReferences does not match with type java.util.List<java.lang.Object> of variable owners
    2Unmatched return childrenReferences;
    3Unmatched return owners;