if (obj == this) { return true; } if (!(obj instanceof AbstractDialLayer)) { return false; } AbstractDialLayer that = (AbstractDialLayer) obj; return this.visible == that.visible;
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/plot/dial/AbstractDialLayer.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 AbstractDialLayer)) {
4
        if (!(obj instanceof DefaultMultiValueCategoryDataset)) {
5
            return false;
5
            return false;
6
        }
6
        }
7
        AbstractDialLayer that = (AbstractDialLayer
7
        DefaultMultiValueCategoryDataset that 
8
) obj;
8
                = (DefaultMultiValueCategoryDataset) obj;
9
        return this.visible == that.visible;
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)0.3
Clones locationClones are in different classes
Number of node comparisons14
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)11.4
    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 AbstractDialLayer))
    3
    if (!(obj instanceof AbstractDialLayer))
    3
    if (!(obj instanceof DefaultMultiValueCategoryDataset))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.dial.AbstractDialLayerorg.jfree.data.statistics.DefaultMultiValueCategoryDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.plot.dial.AbstractDialLayer does not match with type org.jfree.data.statistics.DefaultMultiValueCategoryDataset
    • Make classes org.jfree.chart.plot.dial.AbstractDialLayer 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
    AbstractDialLayer that = (AbstractDialLayer)obj;
                                                                                                      
    6
    return this.visible == that.visible;
    6
    return this.visible == that.visible;
    6
    return this.data.equals(that.data);
    Differences
    Expression1Expression2Difference
    this.visible == that.visiblethis.data.equals(that.data)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression this.visible == that.visible cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression this.data.equals(that.data) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    return this.data.equals(that.data);
    Precondition Violations (4)
    Row Violation
    1Type org.jfree.chart.plot.dial.AbstractDialLayer does not match with type org.jfree.data.statistics.DefaultMultiValueCategoryDataset
    2Expression this.visible == that.visible cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression this.data.equals(that.data) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4The refactoring of the clones is infeasible, because classes org.jfree.chart.plot.dial.AbstractDialLayer and org.jfree.data.statistics.DefaultMultiValueCategoryDataset do not have a common superclass