if (referenceValues == null) { referenceValues = new EObjectResolvingEList<EObject>(EObject.class, this, ChangePackage.LIST_CHANGE__REFERENCE_VALUES); } return referenceValues;
if (featureChangeItemProvider == null) { featureChangeItemProvider = new FeatureChangeItemProvider(this); } return featureChangeItemProvider;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/change/impl/ListChangeImpl.java File path: /emf-2.4.1/src/org/eclipse/emf/ecore/change/provider/ChangeItemProviderAdapterFactory.java
Method name: EList getReferenceValues() Method name: Adapter createFeatureChangeAdapter()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (referenceValues == null)
1
if (
2
    {
3
      referenceValues = new EObjectResolvingEList<EObject>(EObject.class, this, ChangePackage.LIST_CHANGE__REFERENCE_VALUES
2
featureChangeItemProvider == null)
3
    {
4
);
4
      featureChangeItemProvider = new FeatureChangeItemProvider(this);
5
    }
5
    }
6
    return referenceValues;
6
    return featureChangeItemProvider;
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 (referenceValues == null)
    1
    if (referenceValues == null)
    1
    if (featureChangeItemProvider == null)
    Differences
    Expression1Expression2Difference
    referenceValuesfeatureChangeItemProviderVARIABLE_NAME_MISMATCH
    org.eclipse.emf.common.util.EListorg.eclipse.emf.ecore.change.provider.FeatureChangeItemProviderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.common.util.EList<org.eclipse.emf.ecore.EObject> of variable referenceValues does not match with type org.eclipse.emf.ecore.change.provider.FeatureChangeItemProvider of variable featureChangeItemProvider
    • Make classes org.eclipse.emf.common.util.EList and org.eclipse.emf.ecore.change.provider.FeatureChangeItemProvider extend a common superclass
    1
    if (featureChangeItemProvider == null)
                                                                                                                                      
    2
    featureChangeItemProvider = new FeatureChangeItemProvider(this);
    2
    referenceValues = new EObjectResolvingEList<EObject>(EObject.class, this, ChangePackage.LIST_CHANGE__REFERENCE_VALUES);
                                                                                                                                                                                                                                                
                                                                            
    3
    return featureChangeItemProvider;
    Preondition Violations
    Unmatched return featureChangeItemProvider;
    3
    return featureChangeItemProvider;
    3
    return referenceValues;
    3
    return referenceValues;
    Preondition Violations
    Unmatched return referenceValues;
                                                        
    Precondition Violations (3)
    Row Violation
    1Type org.eclipse.emf.common.util.EList<org.eclipse.emf.ecore.EObject> of variable referenceValues does not match with type org.eclipse.emf.ecore.change.provider.FeatureChangeItemProvider of variable featureChangeItemProvider
    2Unmatched return featureChangeItemProvider;
    3Unmatched return referenceValues;