if (menuManager == null) { createMenuManager(); } return menuManager;
if (fileExtensions == null) { fileExtensions = new ArrayList<String>(); } return fileExtensions;
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/importer/ModelImporter.java
Method name: MenuManager getMenuManager() Method name: List getFileExtensions()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (menuManager == null)
1
if (fileExtensions == null)
2
    {
2
    {
3
      createMenuManager();
3
      fileExtensions = new ArrayList<String>();
4
    }
4
    }
5
    return menuManager;
5
    return fileExtensions;
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)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (menuManager == null)
    1
    if (menuManager == null)
    1
    if (fileExtensions == null)
    Differences
    Expression1Expression2Difference
    menuManagerfileExtensionsVARIABLE_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.String> of variable fileExtensions
    • Make classes org.eclipse.jface.action.MenuManager and java.util.List extend a common superclass
    1
    if (fileExtensions == null)
                                                                                        
    2
    fileExtensions = new ArrayList<String>();
    2
    createMenuManager();
                                                  
                                                      
    3
    return fileExtensions;
    Preondition Violations
    Unmatched return fileExtensions;
    3
    return fileExtensions;
    3
    return menuManager;
    3
    return menuManager;
    Preondition Violations
    Unmatched return menuManager;
                                                
    Precondition Violations (3)
    Row Violation
    1Type org.eclipse.jface.action.MenuManager of variable menuManager does not match with type java.util.List<java.lang.String> of variable fileExtensions
    2Unmatched return fileExtensions;
    3Unmatched return menuManager;