if (mirrorGradient == null) { mirrorGradient = createGradient(false); } return mirrorGradient;
if (factoryInstance == null) { factoryInstance = (Resource.Factory)createInstance(); } return factoryInstance;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/common/ui/ViewerPane.java File path: /emf-2.4.1/src/org/eclipse/emf/ecore/plugin/RegistryReader.java
Method name: Image getGradient(boolean) Method name: Resource.Factory createFactory()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (mirrorGradient == null)
1
if (factoryInstance == null)
2
      {
2
      {
3
        mirrorGradient = createGradient(false);
3
        factoryInstance = (Resource.Factory)createInstance();
4
      }
4
      }
5
      return mirrorGradient;
5
      return factoryInstance;
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
    5
    if (mirrorGradient == null)
    5
    if (mirrorGradient == null)
    1
    if (factoryInstance == null)
    Differences
    Expression1Expression2Difference
    mirrorGradientfactoryInstanceVARIABLE_NAME_MISMATCH
    org.eclipse.swt.graphics.Imageorg.eclipse.emf.ecore.resource.Resource.FactoryVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.swt.graphics.Image of variable mirrorGradient does not match with type org.eclipse.emf.ecore.resource.Resource.Factory of variable factoryInstance
    • Make classes org.eclipse.swt.graphics.Image and org.eclipse.emf.ecore.resource.Resource.Factory extend a common superclass
    1
    if (factoryInstance == null)
                                                                                                                
    2
    factoryInstance = (Resource.Factory)createInstance();
    6
    mirrorGradient = createGradient(false);
                                                                                    
                                                        
    3
    return factoryInstance;
    Preondition Violations
    Unmatched return factoryInstance;
    3
    return factoryInstance;
    7
    return mirrorGradient;
    7
    return mirrorGradient;
    Preondition Violations
    Unmatched return mirrorGradient;
                                                      
    Precondition Violations (3)
    Row Violation
    1Type org.eclipse.swt.graphics.Image of variable mirrorGradient does not match with type org.eclipse.emf.ecore.resource.Resource.Factory of variable factoryInstance
    2Unmatched return factoryInstance;
    3Unmatched return mirrorGradient;