173-1-180

if (itemPropertyDescriptors == null) { super.getPropertyDescriptors(object); addChangeablePropertyDescriptor(object); addVolatilePropertyDescriptor(object); addTransientPropertyDescriptor(object); addDefaultValueLiteralPropertyDescriptor(object); addDefaultValuePropertyDescriptor(object); addUnsettablePropertyDescriptor(object); addDerivedPropertyDescriptor(object); addEContainingClassPropertyDescriptor(object); } return itemPropertyDescriptors;
if (changeNotifier == null) { changeNotifier = new ChangeNotifier(); } changeNotifier.addListener(listener);

Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/provider/EStructuralFeatureItemProvider.java |  | File path: /emf-2.4.1/src/org/eclipse/emf/edit/provider/ItemProviderDecorator.java
Method name: `List getPropertyDescriptors(Object)` |  | Method name: `void addListener(INotifyChangedListener)`
Number of AST nodes: 11 |  | Number of AST nodes: 3

1

    if (itemPropertyDescriptors == null)↵

1

    if (↵

2

        {↵

3

          super.getPropertyDescriptors(object);↵

4

          addChangeablePropertyDescriptor(object);↵

5

          addVolatilePropertyDescriptor(object);↵

6

          addTransientPropertyDescriptor(object);↵

7

          addDefaultValueLiteralPropertyDescriptor(object↵

2

    changeNotifier == null)↵

3

        {↵

8

    );↵

4

          changeNotifier = new ChangeNotifier();↵

9

          addDefaultValuePropertyDescriptor(object);↵

5

        ↵

10

          addUnsettablePropertyDescriptor(object);↵

11

          addDerivedPropertyDescriptor(object);↵

12

          addEContainingClassPropertyDescriptor(object);↵

13

        }↵

14

        return itemPropertyDescriptors↵

6

    }↵

15

    ;

7

        changeNotifier.addListener(listener);

See real code fragment |  | See real code fragment

Summary
Number of common nesting structure subtrees | 1
Number of refactorable cases | 0
Number of non-refactorable cases | 1
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.1
Clones location | Clones are in different classes
Number of node comparisons | 21

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 1
   Number of unmapped statements in the first code fragment | 10
   Number of unmapped statements in the second code fragment | 2
   Time elapsed for statement mapping (ms) | 62.4
   Clone type | Type 3

   Mapped Statements
   ID | Statement |  | ID | Statement
   --- | --- | --- | --- | ---

   1

       if (itemPropertyDescriptors == null)

   1 | if (itemPropertyDescriptors == null)
   1 | if (changeNotifier == null)

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   itemPropertyDescriptors | changeNotifier | VARIABLE_NAME_MISMATCH
   java.util.List | org.eclipse.emf.edit.provider.IChangeNotifier | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type java.util.List<org.eclipse.emf.edit.provider.IItemPropertyDescriptor> of variable itemPropertyDescriptors does not match with type org.eclipse.emf.edit.provider.IChangeNotifier of variable changeNotifier
   - Make classes java.util.List and org.eclipse.emf.edit.provider.IChangeNotifier extend a common superclass

   1

       if (changeNotifier == null)

   2 | changeNotifier = new ChangeNotifier();

   Preondition Violations
   Unmatched statement changeNotifier=new ChangeNotifier(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted

   2

       changeNotifier = new ChangeNotifier();

   2

       super.getPropertyDescriptors(object);

   3

       addChangeablePropertyDescriptor(object);

   3 | addChangeablePropertyDescriptor(object);

   Preondition Violations
   Unmatched statement addChangeablePropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted

   4

       addVolatilePropertyDescriptor(object);

   4 | addVolatilePropertyDescriptor(object);

   Preondition Violations
   Unmatched statement addVolatilePropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted

   5

       addTransientPropertyDescriptor(object);

   5 | addTransientPropertyDescriptor(object);

   Preondition Violations
   Unmatched statement addTransientPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted

   6

       addDefaultValueLiteralPropertyDescriptor(object);

   6 | addDefaultValueLiteralPropertyDescriptor(object);

   Preondition Violations
   Unmatched statement addDefaultValueLiteralPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted

   7

       addDefaultValuePropertyDescriptor(object);

   7 | addDefaultValuePropertyDescriptor(object);

   Preondition Violations
   Unmatched statement addDefaultValuePropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted

   8

       addUnsettablePropertyDescriptor(object);

   8 | addUnsettablePropertyDescriptor(object);

   Preondition Violations
   Unmatched statement addUnsettablePropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted

   9

       addDerivedPropertyDescriptor(object);

   9 | addDerivedPropertyDescriptor(object);

   Preondition Violations
   Unmatched statement addDerivedPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted

   10

       addEContainingClassPropertyDescriptor(object);

   10 | addEContainingClassPropertyDescriptor(object);

   Preondition Violations
   Unmatched statement addEContainingClassPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted

   3 | changeNotifier.addListener(listener);

   Preondition Violations
   Unmatched statement changeNotifier.addListener(listener); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted

   3

       changeNotifier.addListener(listener);

   11

       return itemPropertyDescriptors;

   11 | return itemPropertyDescriptors;

   Preondition Violations
   Unmatched return itemPropertyDescriptors;

   Precondition Violations (13)
   Row | Violation
   --- | ---
   1 | Type java.util.List<org.eclipse.emf.edit.provider.IItemPropertyDescriptor> of variable itemPropertyDescriptors does not match with type org.eclipse.emf.edit.provider.IChangeNotifier of variable changeNotifier
   2 | Unmatched statement changeNotifier=new ChangeNotifier(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   3 | Unmatched statement addChangeablePropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   4 | Unmatched statement addVolatilePropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   5 | Unmatched statement addTransientPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   6 | Unmatched statement addDefaultValueLiteralPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   7 | Unmatched statement addDefaultValuePropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   8 | Unmatched statement addUnsettablePropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   9 | Unmatched statement addDerivedPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   10 | Unmatched statement addEContainingClassPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   11 | Unmatched statement changeNotifier.addListener(listener); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   12 | Unmatched return itemPropertyDescriptors;
   13 | The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero