173-136-208

if (eClassItemProvider == null) { eClassItemProvider = new EClassItemProvider(this); } return eClassItemProvider;
if (buffer == null) { buffer = new Buffer(100); } return buffer.read();

Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/ecore/provider/EcoreItemProviderAdapterFactory.java |  | File path: /emf-2.4.1/src/org/eclipse/emf/ecore/resource/URIConverter.java
Method name: `Adapter createEClassAdapter()` |  | Method name: `int read()`
Number of AST nodes: 3 |  | Number of AST nodes: 3

1

    if (eClassItemProvider == null)↵

1

    if (buffer == null)↵

2

        {↵

2

          {↵

3

          eClassItemProvider = new EClassItemProvider(this);↵

3

          ↵

4

        }↵

4

      buffer = new Buffer(100);↵

5

          }↵

6

          ↵

5

        return eClassItemProvider;

7

          return buffer.read();

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) | 0.3
   Clone type | Type 2

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

   1

       if (eClassItemProvider == null)

   1 | if (eClassItemProvider == null)
   1 | if (buffer == null)

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   eClassItemProvider | buffer | VARIABLE_NAME_MISMATCH
   org.eclipse.emf.ecore.provider.EClassItemProvider | org.eclipse.emf.ecore.resource.URIConverter.ReadableInputStream.Buffer | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type org.eclipse.emf.ecore.provider.EClassItemProvider of variable eClassItemProvider does not match with type org.eclipse.emf.ecore.resource.URIConverter.ReadableInputStream.Buffer of variable buffer
   - Make classes org.eclipse.emf.ecore.provider.EClassItemProvider and org.eclipse.emf.ecore.resource.URIConverter.ReadableInputStream.Buffer extend a common superclass

   1

       if (buffer == null)

   2

       buffer = new Buffer(100);

   2

       eClassItemProvider = new EClassItemProvider(this);

   3 | return buffer.read();

   Preondition Violations
   Unmatched return buffer.read();

   3

       return buffer.read();

   3

       return eClassItemProvider;

   3 | return eClassItemProvider;

   Preondition Violations
   Unmatched return eClassItemProvider;

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Type org.eclipse.emf.ecore.provider.EClassItemProvider of variable eClassItemProvider does not match with type org.eclipse.emf.ecore.resource.URIConverter.ReadableInputStream.Buffer of variable buffer
   2 | Unmatched return buffer.read();
   3 | Unmatched return eClassItemProvider;