if (leftGradient == null) { getGradients(); } return leftGradient;
if (owners == null) { owners = new UniqueEList<Object>(); addOwners(getCommand()); } return owners;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/edit/ui/celleditor/AdapterFactoryTableTreeEditor.java File path: /emf-2.4.1/src/org/eclipse/emf/edit/provider/ItemProviderAdapter.java
Method name: Image getLeftGradient() Method name: List getOwners()
Number of AST nodes: 3 Number of AST nodes: 4
1
if (leftGradient == null)
1
if (owners == null)
2
    {
2
      {
3
      getGradients(
3
        owners = new UniqueEList<Object>();
4
);
4
        addOwners(getCommand());
5
    }
5
      }
6
    return leftGradient;
6
      return owners;
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 comparisons7
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)5.5
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (leftGradient == null)
    1
    if (leftGradient == null)
    1
    if (owners == null)
    Differences
    Expression1Expression2Difference
    leftGradientownersVARIABLE_NAME_MISMATCH
    org.eclipse.swt.graphics.Imagejava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.swt.graphics.Image of variable leftGradient does not match with type java.util.List<java.lang.Object> of variable owners
    • Make classes org.eclipse.swt.graphics.Image and java.util.List extend a common superclass
    1
    if (owners == null)
                                                                            
    2
    owners = new UniqueEList<Object>();
    Preondition Violations
    Unmatched statement owners=new UniqueEList<Object>(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    owners = new UniqueEList<Object>();
    2
    getGradients();
    2
    getGradients();
    3
    addOwners(getCommand());
    Differences
    Expression1Expression2Difference
    getGradientsaddOwnersMETHOD_INVOCATION_NAME_MISMATCH
    getGradients()addOwners(getCommand())ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression getGradients() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression getGradients() is a void method call, and thus it cannot be parameterized
    Expression addOwners(getCommand()) is a void method call, and thus it cannot be parameterized
    Expression getGradients() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression getGradients() is a void method call, and thus it cannot be parameterized
    Expression addOwners(getCommand()) is a void method call, and thus it cannot be parameterized
    3
    addOwners(getCommand());
    3
    return leftGradient;
                                                  
                                      
    4
    return owners;
    Preondition Violations
    Unmatched return owners;
    4
    return owners;
    Precondition Violations (9)
    Row Violation
    1Type org.eclipse.swt.graphics.Image of variable leftGradient does not match with type java.util.List<java.lang.Object> of variable owners
    2Unmatched statement owners=new UniqueEList<Object>(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Expression getGradients() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression getGradients() is a void method call, and thus it cannot be parameterized
    5Expression addOwners(getCommand()) is a void method call, and thus it cannot be parameterized
    6Expression getGradients() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression getGradients() is a void method call, and thus it cannot be parameterized
    8Expression addOwners(getCommand()) is a void method call, and thus it cannot be parameterized
    9Unmatched return owners;