if (menuManager == null) { createMenuManager(); } return menuManager;
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/common/ui/ViewerPane.java File path: /emf-2.4.1/src/org/eclipse/emf/edit/provider/ItemProviderAdapter.java
Method name: MenuManager getMenuManager() Method name: List getOwners()
Number of AST nodes: 3 Number of AST nodes: 4
1
if (menuManager == null)
1
if (owners == null)
2
    {
2
      {
3
      createMenuManager(
3
        owners = new UniqueEList<Object>();
4
);
4
        addOwners(getCommand());
5
    }
5
      }
6
    return menuManager;
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 (menuManager == null)
    1
    if (menuManager == null)
    1
    if (owners == null)
    Differences
    Expression1Expression2Difference
    menuManagerownersVARIABLE_NAME_MISMATCH
    org.eclipse.jface.action.MenuManagerjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.jface.action.MenuManager of variable menuManager does not match with type java.util.List<java.lang.Object> of variable owners
    • Make classes org.eclipse.jface.action.MenuManager 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
    createMenuManager();
    2
    createMenuManager();
    3
    addOwners(getCommand());
    Differences
    Expression1Expression2Difference
    createMenuManageraddOwnersMETHOD_INVOCATION_NAME_MISMATCH
    createMenuManager()addOwners(getCommand())ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression createMenuManager() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method createMenuManager
    Expression createMenuManager() 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 createMenuManager() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method createMenuManager
    Expression createMenuManager() 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 menuManager;
                                                
                                      
    4
    return owners;
    Preondition Violations
    Unmatched return owners;
    4
    return owners;
    Precondition Violations (9)
    Row Violation
    1Type org.eclipse.jface.action.MenuManager of variable menuManager 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 createMenuManager() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression createMenuManager() 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 createMenuManager() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression createMenuManager() 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;