if (obj == this) { return true; } if (!(obj instanceof Outlier)) { return false; } Outlier that = (Outlier) obj; if (!this.point.equals(that.point)) { return false; } if (this.radius != that.radius) { return false; } return true;
if (obj == null) { return false; } if (obj == this) { return true; } if (!(obj instanceof HistogramType)) { return false; } HistogramType t = (HistogramType) obj; if (!this.name.equals(t.name)) { return false; } return true;
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/renderer/Outlier.java File path: /jfreechart-1.0.10/src/org/jfree/data/statistics/HistogramType.java
Method name: boolean equals(Object) Method name: boolean equals(Object)
Number of AST nodes: 10 Number of AST nodes: 10
1
if (obj == this) {
1
if (obj == null) {
2
            return true;
2
            return false;   
3
        }
3
        }
4
        
4
        if (!(obj instanceof Outlier)) {
5
        if (obj == this) {
5
            return false;
6
            return true;
6
        }
7
        }
7
        Outlier that = (Outlier) obj;
8
        
8
        if (!this.point.equals(that.point)) {
9
            return false;
10
        }
11
        if (this.radius != that.radius
9
        if (!(obj instanceof HistogramType)) {
10
            return false;
11
        }
12
        
13
        HistogramType t = (HistogramType) obj;
12
) {
14
        if (!this.name.equals(t.name)) {
13
            return false;
15
            return false;
14
        }
16
        }
17
        
15
        return true;
18
        return true;
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)0.8
Clones locationClones are in different classes
Number of node comparisons29
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (obj == this)
    3
    if (obj == this)
    2
    return true;
    4
    return true;
    3
    if (!(obj instanceof Outlier))
    3
    if (!(obj instanceof Outlier))
    5
    if (!(obj instanceof HistogramType))
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.Outlierorg.jfree.data.statistics.HistogramTypeVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.Outlier does not match with type org.jfree.data.statistics.HistogramType
    • Make classes org.jfree.chart.renderer.Outlier and org.jfree.data.statistics.HistogramType extend a common superclass
    5
    if (!(obj instanceof HistogramType))
    4
    return false;
    6
    return false;
    5
    Outlier that = (Outlier)obj;
                                                              
                                                                                
    7
    HistogramType t = (HistogramType)obj;
    6
    if (!this.point.equals(that.point))
    6
    if (!this.point.equals(that.point))
    8
    if (!this.name.equals(t.name))
    Differences
    Expression1Expression2Difference
    thattVARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.Outlierorg.jfree.data.statistics.HistogramTypeVARIABLE_TYPE_MISMATCH
    pointnameVARIABLE_NAME_MISMATCH
    java.awt.geom.Point2Djava.lang.StringVARIABLE_TYPE_MISMATCH
    pointnameVARIABLE_NAME_MISMATCH
    java.awt.geom.Point2Djava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression that.point cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression t.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.awt.geom.Point2D of variable that.point does not match with type java.lang.String of variable t.name
    • Make classes org.jfree.chart.renderer.Outlier and org.jfree.data.statistics.HistogramType extend a common superclass
    Expression that.point cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression t.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type java.awt.geom.Point2D of variable that.point does not match with type java.lang.String of variable t.name
    • Make classes java.awt.geom.Point2D and java.lang.String extend a common superclass
    Type java.awt.geom.Point2D of variable this.point does not match with type java.lang.String of variable this.name
    • Make classes java.awt.geom.Point2D and java.lang.String extend a common superclass
    8
    if (!this.name.equals(t.name))
    7
    return false;
    9
    return false;
    Precondition Violations (10)
    Row Violation
    1Type org.jfree.chart.renderer.Outlier does not match with type org.jfree.data.statistics.HistogramType
    2Expression that.point cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression t.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type java.awt.geom.Point2D of variable that.point does not match with type java.lang.String of variable t.name
    5Expression that.point cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression t.name cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Type java.awt.geom.Point2D of variable that.point does not match with type java.lang.String of variable t.name
    8Type java.awt.geom.Point2D of variable this.point does not match with type java.lang.String of variable this.name
    9Not all possible execution flows end in a return statement
    10The refactoring of the clones is infeasible, because classes org.jfree.chart.renderer.Outlier and org.jfree.data.statistics.HistogramType do not have a common superclass