if (featureChangeItemProvider == null) { featureChangeItemProvider = new FeatureChangeItemProvider(this); } return featureChangeItemProvider;
if (instance == null) { instance = new LocalTransfer(); } return instance;
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/ui/dnd/LocalTransfer.java
Method name: Adapter createFeatureChangeAdapter() Method name: LocalTransfer getInstance()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (featureChangeItemProvider == null)
1
if (
2
    {
3
      featureChangeItemProvider = new FeatureChangeItemProvider(this);
4
    }
5
    return featureChangeItemProvider
2
instance == null)
3
    {
4
      instance = new LocalTransfer();
5
    }
6
;
6
    return instance;
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 (instance == null)
    Differences
    Expression1Expression2Difference
    featureChangeItemProviderinstanceVARIABLE_NAME_MISMATCH
    org.eclipse.emf.ecore.change.provider.FeatureChangeItemProviderorg.eclipse.emf.edit.ui.dnd.LocalTransferVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.change.provider.FeatureChangeItemProvider of variable featureChangeItemProvider does not match with type org.eclipse.emf.edit.ui.dnd.LocalTransfer of variable instance
    • Make classes org.eclipse.emf.ecore.change.provider.FeatureChangeItemProvider and org.eclipse.emf.edit.ui.dnd.LocalTransfer extend a common superclass
    1
    if (instance == null)
                                                                    
    2
    instance = new LocalTransfer();
    2
    featureChangeItemProvider = new FeatureChangeItemProvider(this);
                                                                                                                                      
                                          
    3
    return instance;
    Preondition Violations
    Unmatched return instance;
    3
    return instance;
    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.edit.ui.dnd.LocalTransfer of variable instance
    2Unmatched return instance;
    3Unmatched return featureChangeItemProvider;