if (objectsToDetach == null) { objectsToDetach = new EObjectEList<EObject>(EObject.class, this, ChangePackage.CHANGE_DESCRIPTION__OBJECTS_TO_DETACH); } return objectsToDetach;
if (validatorMap == null) { validatorMap = new Hashtable<EClass, FeatureMapUtil.Validator>(); } return validatorMap;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/change/impl/ChangeDescriptionImpl.java File path: /emf-2.4.1/src/org/eclipse/emf/ecore/util/BasicExtendedMetaData.java
Method name: EList getObjectsToDetachGen() Method name: Map getValidatorMap()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (objectsToDetach == null)
1
if (validatorMap == null)
2
    {
2
      {
3
      objectsToDetach = new EObjectEList<EObject>(EObject.class, this, ChangePackage.CHANGE_DESCRIPTION__OBJECTS_TO_DETACH);
3
        validatorMap = new Hashtable<EClass, FeatureMapUtil.Validator>();
4
    }
4
      }
5
    return objectsToDetach;
5
      return validatorMap;
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)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (objectsToDetach == null)
    1
    if (objectsToDetach == null)
    1
    if (validatorMap == null)
    Differences
    Expression1Expression2Difference
    objectsToDetachvalidatorMapVARIABLE_NAME_MISMATCH
    org.eclipse.emf.common.util.EListjava.util.MapVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.common.util.EList<org.eclipse.emf.ecore.EObject> of variable objectsToDetach does not match with type java.util.Map<org.eclipse.emf.ecore.EClass,org.eclipse.emf.ecore.util.FeatureMapUtil.Validator> of variable validatorMap
    • Make classes org.eclipse.emf.common.util.EList and java.util.Map extend a common superclass
    1
    if (validatorMap == null)
                                                                                                                                      
    2
    validatorMap = new Hashtable<EClass, FeatureMapUtil.Validator>();
    2
    objectsToDetach = new EObjectEList<EObject>(EObject.class, this, ChangePackage.CHANGE_DESCRIPTION__OBJECTS_TO_DETACH);
                                                                                                                                                                                                                                              
                                                  
    3
    return validatorMap;
    Preondition Violations
    Unmatched return validatorMap;
    3
    return validatorMap;
    3
    return objectsToDetach;
    3
    return objectsToDetach;
    Preondition Violations
    Unmatched return objectsToDetach;
                                                        
    Precondition Violations (3)
    Row Violation
    1Type org.eclipse.emf.common.util.EList<org.eclipse.emf.ecore.EObject> of variable objectsToDetach does not match with type java.util.Map<org.eclipse.emf.ecore.EClass,org.eclipse.emf.ecore.util.FeatureMapUtil.Validator> of variable validatorMap
    2Unmatched return validatorMap;
    3Unmatched return objectsToDetach;