if (feature != null && feature.eIsProxy()) { InternalEObject oldFeature = (InternalEObject)feature; feature = (EStructuralFeature)eResolveProxy(oldFeature); if (feature != oldFeature) { if (eNotificationRequired()) eNotify(new ENotificationImpl(this, Notification.RESOLVE, ChangePackage.LIST_CHANGE__FEATURE, oldFeature, feature)); } } return feature;
if (data != null && data.eIsProxy()) { InternalEObject oldData = (InternalEObject)data; data = eResolveProxy(oldData); if (data != oldData) { if (eNotificationRequired()) eNotify(new ENotificationImpl(this, Notification.RESOLVE, TreePackage.TREE_NODE__DATA, oldData, data)); } } return data;
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/change/impl/ListChangeImpl.java File path: /emf-2.4.1/src/org/eclipse/emf/edit/tree/impl/TreeNodeImpl.java
Method name: EStructuralFeature getFeatureGen() Method name: EObject getData()
Number of AST nodes: 7 Number of AST nodes: 7
1
if (feature != null && feature.eIsProxy())
1
if (data != null && data.eIsProxy())
2
    {
2
    {
3
      InternalEObject oldFeature = (InternalEObject)feature;
3
      InternalEObject oldData = (InternalEObject)data;
4
      feature = (EStructuralFeature)eResolveProxy(oldFeature);
4
      data = eResolveProxy(oldData);
5
      if (feature != oldFeature)
5
      if (data != oldData)
6
      {
6
      {
7
        if (eNotificationRequired())
7
        if (eNotificationRequired())
8
          eNotify(new ENotificationImpl(this, Notification.RESOLVE, ChangePackage.LIST_CHANGE__FEATURE, oldFeature, feature));
8
          eNotify(new ENotificationImpl(this, Notification.RESOLVE, TreePackage.TREE_NODE__DATA, oldData, data));
9
      }
9
      }
10
    }
10
    }
11
    return feature;
11
    return data;
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)0.2
Clones locationClones are in different classes having the same super class
Number of node comparisons15
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)1.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (feature != null && feature.eIsProxy())
    1
    if (feature != null && feature.eIsProxy())
    1
    if (data != null && data.eIsProxy())
    Differences
    Expression1Expression2Difference
    featuredataVARIABLE_NAME_MISMATCH
    org.eclipse.emf.ecore.EStructuralFeatureorg.eclipse.emf.ecore.EObjectVARIABLE_TYPE_MISMATCH
    featuredataVARIABLE_NAME_MISMATCH
    org.eclipse.emf.ecore.EStructuralFeatureorg.eclipse.emf.ecore.EObjectVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.EStructuralFeature of variable feature does not match with type org.eclipse.emf.ecore.EObject of variable data
    • Make classes org.eclipse.emf.ecore.EStructuralFeature and org.eclipse.emf.ecore.EObject extend a common superclass
    Type org.eclipse.emf.ecore.EStructuralFeature of variable feature does not match with type org.eclipse.emf.ecore.EObject of variable data
    • Make classes org.eclipse.emf.ecore.EStructuralFeature and org.eclipse.emf.ecore.EObject extend a common superclass
    1
    if (data != null && data.eIsProxy())
    2
    InternalEObject oldFeature = (InternalEObject)feature;
    2
    InternalEObject oldFeature = (InternalEObject)feature;
    2
    InternalEObject oldData = (InternalEObject)data;
    Differences
    Expression1Expression2Difference
    oldFeatureoldDataVARIABLE_NAME_MISMATCH
    featuredataVARIABLE_NAME_MISMATCH
    org.eclipse.emf.ecore.EStructuralFeatureorg.eclipse.emf.ecore.EObjectVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.EStructuralFeature of variable feature does not match with type org.eclipse.emf.ecore.EObject of variable data
    • Make classes org.eclipse.emf.ecore.EStructuralFeature and org.eclipse.emf.ecore.EObject extend a common superclass
    2
    InternalEObject oldData = (InternalEObject)data;
                                                                  
    3
    data = eResolveProxy(oldData);
    Preondition Violations
    Unmatched statement data=eResolveProxy(oldData); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3
    data = eResolveProxy(oldData);
    3
    feature = (EStructuralFeature)eResolveProxy(oldFeature);
    3
    feature = (EStructuralFeature)eResolveProxy(oldFeature);
    Preondition Violations
    Unmatched statement feature=(EStructuralFeature)eResolveProxy(oldFeature); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                                                      
    4
    if (feature != oldFeature)
    4
    if (feature != oldFeature)
    4
    if (data != oldData)
    Differences
    Expression1Expression2Difference
    featuredataVARIABLE_NAME_MISMATCH
    org.eclipse.emf.ecore.EStructuralFeatureorg.eclipse.emf.ecore.EObjectVARIABLE_TYPE_MISMATCH
    oldFeatureoldDataVARIABLE_NAME_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.EStructuralFeature of variable feature does not match with type org.eclipse.emf.ecore.EObject of variable data
    • Make classes org.eclipse.emf.ecore.EStructuralFeature and org.eclipse.emf.ecore.EObject extend a common superclass
    4
    if (data != oldData)
    5
    if (eNotificationRequired())
    5
    if (eNotificationRequired())
    6
    eNotify(new ENotificationImpl(this, Notification.RESOLVE, ChangePackage.LIST_CHANGE__FEATURE, oldFeature, feature));
    6
    eNotify(new ENotificationImpl(this, Notification.RESOLVE, ChangePackage.LIST_CHANGE__FEATURE, oldFeature, feature));
    6
    eNotify(new ENotificationImpl(this, Notification.RESOLVE, TreePackage.TREE_NODE__DATA, oldData, data));
    Differences
    Expression1Expression2Difference
    org.eclipse.emf.ecore.change.ChangePackageorg.eclipse.emf.edit.tree.TreePackageVARIABLE_TYPE_MISMATCH
    LIST_CHANGE__FEATURETREE_NODE__DATAVARIABLE_NAME_MISMATCH
    oldFeatureoldDataVARIABLE_NAME_MISMATCH
    featuredataVARIABLE_NAME_MISMATCH
    org.eclipse.emf.ecore.EStructuralFeatureorg.eclipse.emf.ecore.EObjectVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.ecore.change.ChangePackage of variable ChangePackage does not match with type org.eclipse.emf.edit.tree.TreePackage of variable TreePackage
    • Make classes org.eclipse.emf.ecore.change.ChangePackage and org.eclipse.emf.edit.tree.TreePackage extend a common superclass
    Type org.eclipse.emf.ecore.EStructuralFeature of variable feature does not match with type org.eclipse.emf.ecore.EObject of variable data
    • Make classes org.eclipse.emf.ecore.EStructuralFeature and org.eclipse.emf.ecore.EObject extend a common superclass
    6
    eNotify(new ENotificationImpl(this, Notification.RESOLVE, TreePackage.TREE_NODE__DATA, oldData, data));
                                  
    7
    return data;
    Preondition Violations
    Unmatched return data;
    7
    return data;
    7
    return feature;
    7
    return feature;
    Preondition Violations
    Unmatched return feature;
                                        
    Precondition Violations (10)
    Row Violation
    1Type org.eclipse.emf.ecore.EStructuralFeature of variable feature does not match with type org.eclipse.emf.ecore.EObject of variable data
    2Type org.eclipse.emf.ecore.EStructuralFeature of variable feature does not match with type org.eclipse.emf.ecore.EObject of variable data
    3Type org.eclipse.emf.ecore.EStructuralFeature of variable feature does not match with type org.eclipse.emf.ecore.EObject of variable data
    4Unmatched statement data=eResolveProxy(oldData); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Unmatched statement feature=(EStructuralFeature)eResolveProxy(oldFeature); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6Type org.eclipse.emf.ecore.EStructuralFeature of variable feature does not match with type org.eclipse.emf.ecore.EObject of variable data
    7Type org.eclipse.emf.ecore.change.ChangePackage of variable ChangePackage does not match with type org.eclipse.emf.edit.tree.TreePackage of variable TreePackage
    8Type org.eclipse.emf.ecore.EStructuralFeature of variable feature does not match with type org.eclipse.emf.ecore.EObject of variable data
    9Unmatched return data;
    10Unmatched return feature;