if (obj == this) { return true; } if (!(obj instanceof TickUnits)) { return false; } TickUnits that = (TickUnits) obj; return that.tickUnits.equals(this.tickUnits);
if (obj == this) { return true; } if (!(obj instanceof DefaultMultiValueCategoryDataset)) { return false; } DefaultMultiValueCategoryDataset that = (DefaultMultiValueCategoryDataset) obj; return this.data.equals(that.data);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/TickUnits.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/DefaultMultiValueCategoryDataset.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 6 Number of AST nodes: 6
1
if (obj == this) {
1
if (obj == this) {
2
            return true;
2
            return true;
3
        }
3
        }
4
        if (!(obj instanceof TickUnits)) {
4
        if (!(obj instanceof DefaultMultiValueCategoryDataset)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        TickUnits that = (TickUnits
7
        DefaultMultiValueCategoryDataset that 
8
) obj;
8
                = (DefaultMultiValueCategoryDataset) obj;
9
        return that.tickUnits.equals(this.tickUnits);
9
        return this.data.equals(that.data);
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)0.4
Clones locationClones are in different classes
Number of node comparisons14
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)1.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == this)
    1
    if (obj == this)
    2
    return true;
    2
    return true;
    3
    if (!(obj instanceof TickUnits))
    3
    if (!(obj instanceof TickUnits))
    3
    if (!(obj instanceof DefaultMultiValueCategoryDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.TickUnitsorg.jfree.data.statistics.DefaultMultiValueCategoryDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits does not match with type org.jfree.data.statistics.DefaultMultiValueCategoryDataset
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.data.statistics.DefaultMultiValueCategoryDataset extend a common superclass
    3
    if (!(obj instanceof DefaultMultiValueCategoryDataset))
    4
    return false;
    4
    return false;
                                                                                                                                                                  
    5
    DefaultMultiValueCategoryDataset that = (DefaultMultiValueCategoryDataset)obj;
    5
    TickUnits that = (TickUnits)obj;
                                                                      
                                                                                
    6
    return this.data.equals(that.data);
    Preondition Violations
    Unmatched return this.data.equals(that.data);
    6
    return this.data.equals(that.data);
    6
    return that.tickUnits.equals(this.tickUnits);
    6
    return that.tickUnits.equals(this.tickUnits);
    Preondition Violations
    Unmatched return that.tickUnits.equals(this.tickUnits);
                                                                                                    
    Precondition Violations (5)
    Row Violation
    1Type org.jfree.chart.axis.TickUnits does not match with type org.jfree.data.statistics.DefaultMultiValueCategoryDataset
    2Unmatched return this.data.equals(that.data);
    3Unmatched return that.tickUnits.equals(this.tickUnits);
    4Not all possible execution flows end in a return statement
    5The refactoring of the clones is infeasible, because classes org.jfree.chart.axis.TickUnits and org.jfree.data.statistics.DefaultMultiValueCategoryDataset do not have a common superclass