if (root == null) { return null; }
if (modelPackage == null) { modelPackage = EcorePackage.eINSTANCE; }
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/importer/rose/parser/RoseParser.java File path: /emf-2.4.1/src/org/eclipse/emf/ecore/util/EcoreSwitch.java
Method name: RoseNode parseExpr(String) Method name: void EcoreSwitch()
Number of AST nodes: 2 Number of AST nodes: 2
1
if (root == null)
1
if (modelPackage == null)
2
          {
2
    {
3
            return null;
3
      
4
      
4
modelPackage = EcorePackage.eINSTANCE;
5
    }
5
    }
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 comparisons4
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    14
    if (root == null)
    14
    if (root == null)
    1
    if (modelPackage == null)
    Differences
    Expression1Expression2Difference
    rootmodelPackageVARIABLE_NAME_MISMATCH
    org.eclipse.emf.importer.rose.parser.RoseNodeorg.eclipse.emf.ecore.EcorePackageVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.importer.rose.parser.RoseNode of variable root does not match with type org.eclipse.emf.ecore.EcorePackage of variable modelPackage
    • Make classes org.eclipse.emf.importer.rose.parser.RoseNode and org.eclipse.emf.ecore.EcorePackage extend a common superclass
    1
    if (modelPackage == null)
                                                                                  
    2
    modelPackage = EcorePackage.eINSTANCE;
    15
    return null;
    15
    return null;
    Preondition Violations
    Unmatched return null;
                                    
    Precondition Violations (2)
    Row Violation
    1Type org.eclipse.emf.importer.rose.parser.RoseNode of variable root does not match with type org.eclipse.emf.ecore.EcorePackage of variable modelPackage
    2Unmatched return null;