if (packageRegistry == null) { packageRegistry = new EPackageRegistryImpl(EPackage.Registry.INSTANCE); } return packageRegistry;
if (resources == null) { resources = new ResourcesEList<Resource>(); } return resources;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/resource/impl/ResourceSetImpl.java File path: /emf-2.4.1/src/org/eclipse/emf/ecore/resource/impl/ResourceSetImpl.java
Method name: EPackage.Registry getPackageRegistry() Method name: EList getResources()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (packageRegistry == null)
1
if (resources == null)
2
    {
2
    {
3
      packageRegistry = new EPackageRegistryImpl(EPackage.Registry.INSTANCE);
3
      resources = new ResourcesEList<Resource>();
4
    }
4
    }
5
    return packageRegistry;
5
    return resources;
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 declared in the same class
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)0.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (packageRegistry == null)
    1
    if (packageRegistry == null)
    1
    if (resources == null)
    Differences
    Expression1Expression2Difference
    packageRegistryresourcesVARIABLE_NAME_MISMATCH
    org.eclipse.emf.ecore.EPackage.Registryorg.eclipse.emf.common.util.EListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.EPackage.Registry of variable packageRegistry does not match with type org.eclipse.emf.common.util.EList<org.eclipse.emf.ecore.resource.Resource> of variable resources
    • Make classes org.eclipse.emf.ecore.EPackage.Registry and org.eclipse.emf.common.util.EList extend a common superclass
    1
    if (resources == null)
                                                                                            
    2
    resources = new ResourcesEList<Resource>();
    2
    packageRegistry = new EPackageRegistryImpl(EPackage.Registry.INSTANCE);
                                                                                                                                                    
                                            
    3
    return resources;
    Preondition Violations
    Unmatched return resources;
    3
    return resources;
    3
    return packageRegistry;
    3
    return packageRegistry;
    Preondition Violations
    Unmatched return packageRegistry;
                                                        
    Precondition Violations (3)
    Row Violation
    1Type org.eclipse.emf.ecore.EPackage.Registry of variable packageRegistry does not match with type org.eclipse.emf.common.util.EList<org.eclipse.emf.ecore.resource.Resource> of variable resources
    2Unmatched return resources;
    3Unmatched return packageRegistry;