if (instance == null) { instance = new LocalTransfer(); } return instance;
if (buffer == null) { buffer = new Buffer(100); } buffer.write(b);
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/edit/ui/dnd/LocalTransfer.java File path: /emf-2.4.1/src/org/eclipse/emf/ecore/resource/URIConverter.java
Method name: LocalTransfer getInstance() Method name: void write(int)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (instance == null)
1
if (buffer == null)
2
    {
2
      {
3
      instance = new LocalTransfer();
3
        buffer = new Buffer(100);
4
    }
4
    
5
    return instance
5
  }
6
      
6
;
7
      buffer.write(b);
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)0.1
Clones locationClones are in different classes
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (instance == null)
    1
    if (instance == null)
    1
    if (buffer == null)
    Differences
    Expression1Expression2Difference
    instancebufferVARIABLE_NAME_MISMATCH
    org.eclipse.emf.edit.ui.dnd.LocalTransferorg.eclipse.emf.ecore.resource.URIConverter.WriteableOutputStream.BufferVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.eclipse.emf.edit.ui.dnd.LocalTransfer of variable instance does not match with type org.eclipse.emf.ecore.resource.URIConverter.WriteableOutputStream.Buffer of variable buffer
    • Make classes org.eclipse.emf.edit.ui.dnd.LocalTransfer and org.eclipse.emf.ecore.resource.URIConverter.WriteableOutputStream.Buffer extend a common superclass
    1
    if (buffer == null)
                                                        
    2
    buffer = new Buffer(100);
    2
    instance = new LocalTransfer();
                                                                    
                                          
    3
    buffer.write(b);
    3
    return instance;
    3
    return instance;
    Preondition Violations
    Unmatched return instance;
                                          
    Precondition Violations (2)
    Row Violation
    1Type org.eclipse.emf.edit.ui.dnd.LocalTransfer of variable instance does not match with type org.eclipse.emf.ecore.resource.URIConverter.WriteableOutputStream.Buffer of variable buffer
    2Unmatched return instance;