if (runner == null) { runner = new Runner(); } return runner;
if (encoding == null) { encoding = Encoding.load(encodingName); } return encoding;
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/test/org/jruby/test/Runner.java File path: /jruby-1.4.0/src/org/jruby/util/KCode.java
Method name: Runner getRunner() Method name: Encoding getEncoding()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (runner == null) { runner = new Runner(); }
1
if (encoding == null) {
2
            encoding = Encoding.load(encodingName);
3
        }
2
    return runner;
4
        return encoding;
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)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (runner == null)
    1
    if (runner == null)
    1
    if (encoding == null)
    Differences
    Expression1Expression2Difference
    runnerencodingVARIABLE_NAME_MISMATCH
    org.jruby.test.Runnerorg.jcodings.EncodingVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jruby.test.Runner of variable runner does not match with type org.jcodings.Encoding of variable encoding
    • Make classes org.jruby.test.Runner and org.jcodings.Encoding extend a common superclass
    1
    if (encoding == null)
                                                                                    
    2
    encoding = Encoding.load(encodingName);
    2
    runner = new Runner();
                                                  
                                          
    3
    return encoding;
    Preondition Violations
    Unmatched return encoding;
    3
    return encoding;
    3
    return runner;
    3
    return runner;
    Preondition Violations
    Unmatched return runner;
                                      
    Precondition Violations (3)
    Row Violation
    1Type org.jruby.test.Runner of variable runner does not match with type org.jcodings.Encoding of variable encoding
    2Unmatched return encoding;
    3Unmatched return runner;