173-11-78

if (itemPropertyDescriptors == null) { super.getPropertyDescriptors(object); addAbstractPropertyDescriptor(object); addInterfacePropertyDescriptor(object); addESuperTypesPropertyDescriptor(object); } return itemPropertyDescriptors;
if (changeDescriptionItemProvider == null) { changeDescriptionItemProvider = new ChangeDescriptionItemProvider(this); } return changeDescriptionItemProvider;

Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/provider/EClassItemProvider.java |  | File path: /emf-2.4.1/src/org/eclipse/emf/ecore/change/provider/ChangeItemProviderAdapterFactory.java
Method name: `List getPropertyDescriptors(Object)` |  | Method name: `Adapter createChangeDescriptionAdapter()`
Number of AST nodes: 6 |  | Number of AST nodes: 3

1

    if (itemPropertyDescriptors == null)↵

1

    if (changeDescriptionItemProvider == null)↵

2

        {↵

2

        {↵

3

          super.getPropertyDescriptors(object);↵

3

          ↵

4

          addAbstractPropertyDescriptor(object);↵

5

          addInterfacePropertyDescriptor(object);↵

6

          addESuperTypesPropertyDescriptor(object);↵

4

    changeDescriptionItemProvider = new ChangeDescriptionItemProvider(this);↵

7

        }↵

5

        }↵

8

        return itemPropertyDescriptors;

6

        return changeDescriptionItemProvider;

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) | 0.2
Clones location | Clones are in different classes
Number of node comparisons | 11

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 1
   Number of unmapped statements in the first code fragment | 5
   Number of unmapped statements in the second code fragment | 2
   Time elapsed for statement mapping (ms) | 65.1
   Clone type | Type 3

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

   1

       if (itemPropertyDescriptors == null)

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

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   itemPropertyDescriptors | changeDescriptionItemProvider | VARIABLE_NAME_MISMATCH
   java.util.List | org.eclipse.emf.ecore.change.provider.ChangeDescriptionItemProvider | 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.ecore.change.provider.ChangeDescriptionItemProvider of variable changeDescriptionItemProvider
   - Make classes java.util.List and org.eclipse.emf.ecore.change.provider.ChangeDescriptionItemProvider extend a common superclass

   1

       if (changeDescriptionItemProvider == null)

   2 | changeDescriptionItemProvider = new ChangeDescriptionItemProvider(this);

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

   2

       changeDescriptionItemProvider = new ChangeDescriptionItemProvider(this);

   2

       super.getPropertyDescriptors(object);

   3

       addAbstractPropertyDescriptor(object);

   3 | addAbstractPropertyDescriptor(object);

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

   4

       addInterfacePropertyDescriptor(object);

   4 | addInterfacePropertyDescriptor(object);

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

   5

       addESuperTypesPropertyDescriptor(object);

   5 | addESuperTypesPropertyDescriptor(object);

   Preondition Violations
   Unmatched statement addESuperTypesPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   Unmatched statement addESuperTypesPropertyDescriptor(object); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted

   3 | return changeDescriptionItemProvider;

   Preondition Violations
   Unmatched return changeDescriptionItemProvider;

   3

       return changeDescriptionItemProvider;

   6

       return itemPropertyDescriptors;

   6 | return itemPropertyDescriptors;

   Preondition Violations
   Unmatched return itemPropertyDescriptors;

   Precondition Violations (9)
   Row | Violation
   --- | ---
   1 | Type java.util.List<org.eclipse.emf.edit.provider.IItemPropertyDescriptor> of variable itemPropertyDescriptors does not match with type org.eclipse.emf.ecore.change.provider.ChangeDescriptionItemProvider of variable changeDescriptionItemProvider
   2 | Unmatched statement changeDescriptionItemProvider=new ChangeDescriptionItemProvider(this); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   3 | Unmatched statement addAbstractPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   4 | Unmatched statement addInterfacePropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   5 | Unmatched statement addESuperTypesPropertyDescriptor(object); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
   6 | Unmatched statement addESuperTypesPropertyDescriptor(object); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
   7 | Unmatched return changeDescriptionItemProvider;
   8 | Unmatched return itemPropertyDescriptors;
   9 | The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero