if (featureChangeItemProvider == null) { featureChangeItemProvider = new FeatureChangeItemProvider(this); } return featureChangeItemProvider;
if (packageRegistry == null) { packageRegistry = new EPackageRegistryImpl(EPackage.Registry.INSTANCE); } return packageRegistry;
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/ResourceSetImpl.java
Method name: Adapter createFeatureChangeAdapter() Method name: EPackage.Registry getPackageRegistry()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (featureChangeItemProvider == null)
1
if (
2
    {
3
      featureChangeItemProvider = new FeatureChangeItemProvider(this
2
packageRegistry == null)
3
    {
4
);
4
      packageRegistry = new EPackageRegistryImpl(EPackage.Registry.INSTANCE);
5
    }
5
    }
6
    return featureChangeItemProvider;
6
    return packageRegistry;
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 (featureChangeItemProvider == null)
    1
    if (featureChangeItemProvider == null)
    1
    if (packageRegistry == null)
    Differences
    Expression1Expression2Difference
    featureChangeItemProviderpackageRegistryVARIABLE_NAME_MISMATCH
    org.eclipse.emf.ecore.change.provider.FeatureChangeItemProviderorg.eclipse.emf.ecore.EPackage.RegistryVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.change.provider.FeatureChangeItemProvider of variable featureChangeItemProvider does not match with type org.eclipse.emf.ecore.EPackage.Registry of variable packageRegistry
    • Make classes org.eclipse.emf.ecore.change.provider.FeatureChangeItemProvider and org.eclipse.emf.ecore.EPackage.Registry extend a common superclass
    1
    if (packageRegistry == null)
                                                                                                                                                    
    2
    packageRegistry = new EPackageRegistryImpl(EPackage.Registry.INSTANCE);
    2
    featureChangeItemProvider = new FeatureChangeItemProvider(this);
                                                                                                                                      
                                                        
    3
    return packageRegistry;
    Preondition Violations
    Unmatched return packageRegistry;
    3
    return packageRegistry;
    3
    return featureChangeItemProvider;
    3
    return featureChangeItemProvider;
    Preondition Violations
    Unmatched return featureChangeItemProvider;
                                                                            
    Precondition Violations (3)
    Row Violation
    1Type org.eclipse.emf.ecore.change.provider.FeatureChangeItemProvider of variable featureChangeItemProvider does not match with type org.eclipse.emf.ecore.EPackage.Registry of variable packageRegistry
    2Unmatched return packageRegistry;
    3Unmatched return featureChangeItemProvider;