double result = Double.NaN; Number n = (Number) this.seriesBarWidthList.get(series); if (n != null) { result = n.doubleValue(); } return result;
List result = null; BoxAndWhiskerItem stats = (BoxAndWhiskerItem) this.items.get(item); if (stats != null) { result = stats.getOutliers(); } return result;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/category/LayeredBarRenderer.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/DefaultBoxAndWhiskerXYDataset.java
Method name: double getSeriesBarWidth(int) Method name: List getOutliers(int, int)
Number of AST nodes: 5 Number of AST nodes: 5
1
double result = Double.NaN;
1
List result = null;
2
        Number n = (Number) this.seriesBarWidthList.get(series);
2
        BoxAndWhiskerItem stats = (BoxAndWhiskerItem) this.items.get(item);
3
        if (n != null) {
3
        if (stats != null) {
4
            result = n.doubleValue();
4
            result = stats.getOutliers();
5
        }
5
        }
6
        return result;
6
        return result;
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 comparisons13
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)1.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                            
    1
    List result = null;
    1
    double result = Double.NaN;
                                                            
                                                                                                                                          
    2
    BoxAndWhiskerItem stats = (BoxAndWhiskerItem)this.items.get(item);
    2
    Number n = (Number)this.seriesBarWidthList.get(series);
                                                                                                                    
    3
    if (n != null)
    3
    if (n != null)
    3
    if (stats != null)
    Differences
    Expression1Expression2Difference
    nstatsVARIABLE_NAME_MISMATCH
    java.lang.Numberorg.jfree.data.statistics.BoxAndWhiskerItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Number of variable n does not match with type org.jfree.data.statistics.BoxAndWhiskerItem of variable stats
    • Make classes java.lang.Number and org.jfree.data.statistics.BoxAndWhiskerItem extend a common superclass
    3
    if (stats != null)
                                                                
    4
    result = stats.getOutliers();
    Preondition Violations
    Unmatched statement result=stats.getOutliers(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4
    result = stats.getOutliers();
    4
    result = n.doubleValue();
    4
    result = n.doubleValue();
    Preondition Violations
    Unmatched statement result=n.doubleValue(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                        
                                      
    5
    return result;
    Preondition Violations
    Unmatched return result;
    5
    return result;
    5
    return result;
    5
    return result;
    Preondition Violations
    Unmatched return result;
                                      
    Precondition Violations (6)
    Row Violation
    1Type java.lang.Number of variable n does not match with type org.jfree.data.statistics.BoxAndWhiskerItem of variable stats
    2Unmatched statement result=stats.getOutliers(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement result=n.doubleValue(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched return result;
    5Unmatched return result;
    6The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero