173-42-104

if (itemPropertyDescriptors == null) { super.getPropertyDescriptors(object); } return itemPropertyDescriptors;
if (fileExtensions == null) { fileExtensions = new ArrayList<String>(); } return fileExtensions;

Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/provider/ETypeParameterItemProvider.java |  | File path: /emf-2.4.1/src/org/eclipse/emf/importer/ModelImporter.java
Method name: `List getPropertyDescriptors(Object)` |  | Method name: `List getFileExtensions()`
Number of AST nodes: 3 |  | Number of AST nodes: 3

1

    if (itemPropertyDescriptors == null)↵

1

    if (fileExtensions == null)↵

2

        {↵

2

        {↵

3

          super.getPropertyDescriptors(object);↵

3

          fileExtensions = new ArrayList<String>();↵

4

        }↵

4

        }↵

5

        return itemPropertyDescriptors;

5

        return fileExtensions;

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 | 5

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 1
   Number of unmapped statements in the first code fragment | 2
   Number of unmapped statements in the second code fragment | 2
   Time elapsed for statement mapping (ms) | 0.4
   Clone type | Type 2

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

   1

       if (itemPropertyDescriptors == null)

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

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   itemPropertyDescriptors | fileExtensions | VARIABLE_NAME_MISMATCH
   java.util.List | java.util.List | VARIABLE_TYPE_MISMATCH

   Preondition Violations

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

   1

       if (fileExtensions == null)

   2

       fileExtensions = new ArrayList<String>();

   2

       super.getPropertyDescriptors(object);

   3 | return fileExtensions;

   Preondition Violations
   Unmatched return fileExtensions;

   3

       return fileExtensions;

   3

       return itemPropertyDescriptors;

   3 | return itemPropertyDescriptors;

   Preondition Violations
   Unmatched return itemPropertyDescriptors;

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Type java.util.List<org.eclipse.emf.edit.provider.IItemPropertyDescriptor> of variable itemPropertyDescriptors does not match with type java.util.List<java.lang.String> of variable fileExtensions
   2 | Unmatched return fileExtensions;
   3 | Unmatched return itemPropertyDescriptors;