if (childrenReferences == null) { childrenReferences = new ArrayList<EReference>(); } return childrenReferences;
if (defaultURIConverter == null) { defaultURIConverter = new ExtensibleURIConverterImpl(); } return defaultURIConverter;
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/ecore/resource/impl/ResourceImpl.java
Method name: Collection getChildrenReferences(Object) Method name: URIConverter getDefaultURIConverter()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (childrenReferences == null)
1
if (defaultURIConverter == null)
2
    {
2
    {
3
      childrenReferences = new ArrayList<EReference>();
3
      defaultURIConverter = new ExtensibleURIConverterImpl();
4
    }
4
    }
5
    return childrenReferences;
5
    return defaultURIConverter;
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)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (childrenReferences == null)
    1
    if (childrenReferences == null)
    1
    if (defaultURIConverter == null)
    Differences
    Expression1Expression2Difference
    childrenReferencesdefaultURIConverterVARIABLE_NAME_MISMATCH
    java.util.Listorg.eclipse.emf.ecore.resource.URIConverterVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List<org.eclipse.emf.ecore.EReference> of variable childrenReferences does not match with type org.eclipse.emf.ecore.resource.URIConverter of variable defaultURIConverter
    • Make classes java.util.List and org.eclipse.emf.ecore.resource.URIConverter extend a common superclass
    1
    if (defaultURIConverter == null)
                                                                                                                    
    2
    defaultURIConverter = new ExtensibleURIConverterImpl();
    2
    childrenReferences = new ArrayList<EReference>();
                                                                                                        
                                                                
    3
    return defaultURIConverter;
    Preondition Violations
    Unmatched return defaultURIConverter;
    3
    return defaultURIConverter;
    3
    return childrenReferences;
    3
    return childrenReferences;
    Preondition Violations
    Unmatched return childrenReferences;
                                                              
    Precondition Violations (3)
    Row Violation
    1Type java.util.List<org.eclipse.emf.ecore.EReference> of variable childrenReferences does not match with type org.eclipse.emf.ecore.resource.URIConverter of variable defaultURIConverter
    2Unmatched return defaultURIConverter;
    3Unmatched return childrenReferences;