List result = null; BoxAndWhiskerItem item = (BoxAndWhiskerItem) this.data.getObject( row, column); if (item != null) { result = item.getOutliers(); } return result;
Number result = null; MeanAndStandardDeviation masd = (MeanAndStandardDeviation) this.data.getObject(row, column); if (masd != null) { result = masd.getStandardDeviation(); } return result;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/DefaultBoxAndWhiskerCategoryDataset.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/DefaultStatisticalCategoryDataset.java
Method name: List getOutliers(int, int) Method name: Number getStdDevValue(int, int)
Number of AST nodes: 5 Number of AST nodes: 5
1
List result = null;
1
Number result = null;
2
        BoxAndWhiskerItem item = (BoxAndWhiskerItem)
2
        MeanAndStandardDeviation masd = (MeanAndStandardDeviation) 
3
 this.data.getObject(
3
                this.data.getObject(
4
                row, column);
4
row, column);
5
        if (item != null) {
5
        if (masd != null) {
6
            result = item.getOutliers();
6
            result = masd.getStandardDeviation();
7
        }
7
        }
8
        return result;
8
        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 having the same super class
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)1.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                
    1
    Number result = null;
    1
    List result = null;
                                            
                                                                                                                                                                                          
    2
    MeanAndStandardDeviation masd = (MeanAndStandardDeviation)this.data.getObject(row, column);
    2
    BoxAndWhiskerItem item = (BoxAndWhiskerItem)this.data.getObject(row, column);
                                                                                                                                                              
    3
    if (item != null)
    3
    if (item != null)
    3
    if (masd != null)
    Differences
    Expression1Expression2Difference
    itemmasdVARIABLE_NAME_MISMATCH
    org.jfree.data.statistics.BoxAndWhiskerItemorg.jfree.data.statistics.MeanAndStandardDeviationVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.statistics.BoxAndWhiskerItem of variable item does not match with type org.jfree.data.statistics.MeanAndStandardDeviation of variable masd
    • Make classes org.jfree.data.statistics.BoxAndWhiskerItem and org.jfree.data.statistics.MeanAndStandardDeviation extend a common superclass
    3
    if (masd != null)
                                                                                
    4
    result = masd.getStandardDeviation();
    Preondition Violations
    Unmatched statement result=masd.getStandardDeviation(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4
    result = masd.getStandardDeviation();
    4
    result = item.getOutliers();
    4
    result = item.getOutliers();
    Preondition Violations
    Unmatched statement result=item.getOutliers(); 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 org.jfree.data.statistics.BoxAndWhiskerItem of variable item does not match with type org.jfree.data.statistics.MeanAndStandardDeviation of variable masd
    2Unmatched statement result=masd.getStandardDeviation(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement result=item.getOutliers(); 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